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40,500
40,500
['Karthik Sridharan']
1204.4145v1
In this dissertation we study statistical and online learning problems from an optimization viewpoint.The dissertation is divided into two parts : I. We first consider the question of learnability for statistical learning problems in the general learning setting. The question of learnability is well studied and fully...
Learning From An Optimization Viewpoint
2,012
http://arxiv.org/pdf/1204.4145v1
Title Learning Optimization Viewpoint Summary dissertation study statistical online learning problem optimization viewpointThe dissertation divided two part first consider question learnability statistical learning problem general learning setting question learnability well studied fully characterized binary classifica...
[-0.015704981982707977, -0.02029193937778473, -0.02126367576420307, -0.00420221034437418, -0.013314669951796532, 0.0021343121770769358, 0.05770261958241463, 0.011969279497861862, -0.01591114141047001, -0.02506544068455696, 0.02737111784517765, 0.048550795763731, -0.006957317236810923, 0.03511177375912666, -0.0137525144...
40,501
40,501
['Patrick Taillandier', 'Julien Gaffuri']
1204.4332v1
Automated generalisation has known important improvements these last few years. However, an issue that still deserves more study concerns the automatic evaluation of generalised data. Indeed, many automated generalisation systems require the utilisation of an evaluation function to automatically assess generalisation o...
Designing generalisation evaluation function through human-machine dialogue
2,012
http://arxiv.org/pdf/1204.4332v1
Title Designing generalisation evaluation function humanmachine dialogue Summary Automated generalisation known important improvement last year However issue still deserves study concern automatic evaluation generalised data Indeed many automated generalisation system require utilisation evaluation function automatical...
[0.06278237700462341, 0.0364791601896286, -0.033244308084249496, 0.004184253979474306, 0.0018737890059128404, 0.006356874015182257, 0.02155269682407379, 0.002999905264005065, -0.02301516756415367, -0.032038524746894836, 0.00280910637229681, -0.051932256668806076, 0.027451615780591965, 0.04261413589119911, -0.0080393459...
40,502
40,502
['Dusko Pavlovic']
1204.5802v1
Formal Concept Analysis (FCA) begins from a context, given as a binary relation between some objects and some attributes, and derives a lattice of concepts, where each concept is given as a set of objects and a set of attributes, such that the first set consists of all objects that satisfy all attributes in the second,...
Quantitative Concept Analysis
2,012
http://arxiv.org/pdf/1204.5802v1
Title Quantitative Concept Analysis Summary Formal Concept Analysis FCA begin context given binary relation object attribute derives lattice concept concept given set object set attribute first set consists object satisfy attribute second vice versa Many application though provide context quantitative information telli...
[-0.013032167218625546, 0.05818217620253563, -0.04255775734782219, 0.029005248099565506, -0.024885203689336777, -0.015375061891973019, -0.008419855497777462, 0.044555436819791794, -0.07594721764326096, -0.03821533918380737, 0.029926009476184845, -0.030976226553320885, 0.026314927265048027, 0.06313207745552063, -0.02273...
40,503
40,503
['Marco Molinaro', 'R. Ravi']
1204.5810v1
We consider packing LP's with $m$ rows where all constraint coefficients are normalized to be in the unit interval. The n columns arrive in random order and the goal is to set the corresponding decision variables irrevocably when they arrive so as to obtain a feasible solution maximizing the expected reward. Previous (...
Geometry of Online Packing Linear Programs
2,012
http://arxiv.org/pdf/1204.5810v1
Title Geometry Online Packing Linear Programs Summary consider packing LPs row constraint coefficient normalized unit interval n column arrive random order goal set corresponding decision variable irrevocably arrive obtain feasible solution maximizing expected reward Previous 1 epsiloncompetitive algorithm require righ...
[-0.036017876118421555, 0.024584461003541946, -0.0266119297593832, -0.0009014165843836963, -0.00993004534393549, -0.03561973571777344, 0.04846342280507088, 0.05225775018334389, -0.011772188358008862, -0.01244701910763979, 0.058236412703990936, 0.037774644792079926, -0.008634802885353565, 0.12393206357955933, -0.0002989...
40,504
40,504
['Yucheng Low', 'Joseph Gonzalez', 'Aapo Kyrola', 'Danny Bickson', 'Carlos Guestrin', 'Joseph M. Hellerstein']
1204.6078v1
While high-level data parallel frameworks, like MapReduce, simplify the design and implementation of large-scale data processing systems, they do not naturally or efficiently support many important data mining and machine learning algorithms and can lead to inefficient learning systems. To help fill this critical void,...
Distributed GraphLab: A Framework for Machine Learning in the Cloud
2,012
http://arxiv.org/pdf/1204.6078v1
Title Distributed GraphLab Framework Machine Learning Cloud Summary highlevel data parallel framework like MapReduce simplify design implementation largescale data processing system naturally efficiently support many important data mining machine learning algorithm lead inefficient learning system help fill critical vo...
[-0.002320626750588417, 0.004208630416542292, -0.01423365343362093, -0.020802568644285202, -0.015649810433387756, 0.016135765239596367, 0.03333500027656555, -0.0171915702521801, 0.09079177677631378, 0.020714541897177696, 0.03173218294978142, 0.0704285204410553, -0.024279169738292694, 0.08498358726501465, -0.02290619723...
40,505
40,505
['Abdul Ghani Abro', 'Junita Mohamad Saleh']
1204.6250v1
Essentially, motive behind using control system is to generate suitable control signal for yielding desired response of a physical process. Control of synchronous generator has always remained very critical in power system operation and control. For certain well known reasons power generators are normally operated well...
Feature Selection for Generator Excitation Neurocontroller Development Using Filter Technique
2,011
http://arxiv.org/pdf/1204.6250v1
Title Feature Selection Generator Excitation Neurocontroller Development Using Filter Technique Summary Essentially motive behind using control system generate suitable control signal yielding desired response physical process Control synchronous generator always remained critical power system operation control certain...
[-0.04758718982338905, -2.2001544493832625e-05, -0.020478885620832443, 0.01696934923529625, 0.03694278374314308, -0.011308496817946434, -0.0033295308239758015, 0.011999501846730709, 0.0006924428744241595, -0.01967509835958481, 0.02159905806183815, 0.05901823565363884, -0.0130363954231143, 0.06964506208896637, 0.0895794...
40,506
40,506
['Konstantinos Chorianopoulos', 'Vassiliki Tsaknaki']
1204.6325v2
We explore the design of a seamless broadcast communication system that brings together the distributed community of remote secondary education schools. In contrast to higher education, primary and secondary education establishments should remain distributed, in order to maintain a balance of urban and rural life in th...
CELL: Connecting Everyday Life in an archipeLago
2,012
http://arxiv.org/pdf/1204.6325v2
Title CELL Connecting Everyday Life archipeLago Summary explore design seamless broadcast communication system brings together distributed community remote secondary education school contrast higher education primary secondary education establishment remain distributed order maintain balance urban rural life developing...
[0.04373627156019211, -0.0600912906229496, -0.019045038148760796, -0.024999482557177544, 0.0020238952711224556, -0.01411519292742014, 0.04800533130764961, -0.002904413966462016, 0.005391845013946295, 0.003289593616500497, 0.017858287319540977, 0.03048509918153286, 0.023037288337945938, 0.08501437306404114, -0.003679539...
40,507
40,507
['Jia Zeng', 'Xiao-Qin Cao', 'Zhi-Qiang Liu']
1204.6610v1
Fast convergence speed is a desired property for training latent Dirichlet allocation (LDA), especially in online and parallel topic modeling for massive data sets. This paper presents a novel residual belief propagation (RBP) algorithm to accelerate the convergence speed for training LDA. The proposed RBP uses an info...
Residual Belief Propagation for Topic Modeling
2,012
http://arxiv.org/pdf/1204.6610v1
Title Residual Belief Propagation Topic Modeling Summary Fast convergence speed desired property training latent Dirichlet allocation LDA especially online parallel topic modeling massive data set paper present novel residual belief propagation RBP algorithm accelerate convergence speed training LDA proposed RBP us inf...
[0.019131580367684364, 0.040033970028162, 0.022219564765691757, 0.0017610195791348815, -0.04361964017152786, 0.028305072337388992, -0.00770682143047452, -0.007572125177830458, -0.03259881213307381, -0.03659398481249809, 0.02954399585723877, 0.009200505912303925, -0.021230826154351234, 0.01625032350420952, -0.0377598702...
40,508
40,508
['L. Chekina', 'D. Mimran', 'L. Rokach', 'Y. Elovici', 'B. Shapira']
1208.0564v2
In this paper a novel system for detecting meaningful deviations in a mobile application's network behavior is proposed. The main goal of the proposed system is to protect mobile device users and cellular infrastructure companies from malicious applications. The new system is capable of: (1) identifying malicious attac...
Detection of Deviations in Mobile Applications Network Behavior
2,012
http://arxiv.org/pdf/1208.0564v2
Title Detection Deviations Mobile Applications Network Behavior Summary paper novel system detecting meaningful deviation mobile application network behavior proposed main goal proposed system protect mobile device user cellular infrastructure company malicious application new system capable 1 identifying malicious att...
[0.053822051733732224, -0.02677486091852188, -0.039546020328998566, -0.006948825903236866, -0.040933649986982346, -0.027852840721607208, 0.02057725191116333, -0.00654739560559392, -0.019901372492313385, -0.07932005077600479, 0.05333175137639046, 0.011258108541369438, 0.015124429948627949, 0.027059223502874374, 0.008798...
40,509
40,509
['Shang Shang', 'Sanjeev R. Kulkarni', 'Paul W. Cuff', 'Pan Hui']
1208.0787v2
Collaborative filtering (CF) is one of the most popular approaches to build a recommendation system. In this paper, we propose a hybrid collaborative filtering model based on a Makovian random walk to address the data sparsity and cold start problems in recommendation systems. More precisely, we construct a directed gr...
A Random Walk Based Model Incorporating Social Information for Recommendations
2,012
http://arxiv.org/pdf/1208.0787v2
Title Random Walk Based Model Incorporating Social Information Recommendations Summary Collaborative filtering CF one popular approach build recommendation system paper propose hybrid collaborative filtering model based Makovian random walk address data sparsity cold start problem recommendation system precisely constr...
[0.03977284952998161, -0.013768618926405907, 0.0045171258971095085, -0.03113686479628086, -0.018398769199848175, -0.028498470783233643, -0.012127713300287724, -0.020074328407645226, 0.035360053181648254, -0.011577989906072617, 0.0033016095403581858, 0.02054073102772236, 0.0011517773382365704, 0.06180737912654877, -0.00...
40,510
40,510
['Peter Sarlin']
1208.1819v1
This paper adopts and adapts Kohonen's standard Self-Organizing Map (SOM) for exploratory temporal structure analysis. The Self-Organizing Time Map (SOTM) implements SOM-type learning to one-dimensional arrays for individual time units, preserves the orientation with short-term memory and arranges the arrays in an asce...
Self-Organizing Time Map: An Abstraction of Temporal Multivariate Patterns
2,012
http://arxiv.org/pdf/1208.1819v1
Title SelfOrganizing Time Map Abstraction Temporal Multivariate Patterns Summary paper adopts adapts Kohonens standard SelfOrganizing Map SOM exploratory temporal structure analysis SelfOrganizing Time Map SOTM implement SOMtype learning onedimensional array individual time unit preserve orientation shortterm memory ar...
[-0.046924907714128494, 0.0448126383125782, -0.056186188012361526, -0.016106417402625084, -0.02442609705030918, -0.003573003225028515, 0.06771527975797653, -0.0052459524013102055, -0.008492781780660152, 0.014870432205498219, 0.04684275761246681, 0.0687222108244896, 0.012016016989946365, 0.09537918120622635, -0.02209159...
40,511
40,511
['Sahand Negahban', 'Benjamin I. P. Rubinstein', 'Jim Gemmell']
1208.1860v1
We consider a serious, previously-unexplored challenge facing almost all approaches to scaling up entity resolution (ER) to multiple data sources: the prohibitive cost of labeling training data for supervised learning of similarity scores for each pair of sources. While there exists a rich literature describing almost ...
Scaling Multiple-Source Entity Resolution using Statistically Efficient Transfer Learning
2,012
http://arxiv.org/pdf/1208.1860v1
Title Scaling MultipleSource Entity Resolution using Statistically Efficient Transfer Learning Summary consider serious previouslyunexplored challenge facing almost approach scaling entity resolution ER multiple data source prohibitive cost labeling training data supervised learning similarity score pair source exists ...
[-0.015625394880771637, 0.011896106414496899, 0.021129591390490532, -0.022104967385530472, 0.026374321430921555, 0.04109823331236839, 0.030849527567625046, 0.041065700352191925, 0.004682623781263828, -0.004581865854561329, -0.04604577273130417, -0.0012872660299763083, -0.01217725221067667, 0.01691576838493347, -0.01361...
40,512
40,512
['Sudarshan Nandy', 'Partha Pratim Sarkar', 'Achintya Das']
1208.2808v1
The growth of world-wide-web (WWW) spreads its wings from an intangible quantities of web-pages to a gigantic hub of web information which gradually increases the complexity of crawling process in a search engine. A search engine handles a lot of queries from various parts of this world, and the answers of it solely de...
Analysis of a Statistical Hypothesis Based Learning Mechanism for Faster crawling
2,012
http://arxiv.org/pdf/1208.2808v1
Title Analysis Statistical Hypothesis Based Learning Mechanism Faster crawling Summary growth worldwideweb WWW spread wing intangible quantity webpage gigantic hub web information gradually increase complexity crawling process search engine search engine handle lot query various part world answer solely depend knowledg...
[0.056844018399715424, -0.029567649587988853, -0.03742828592658043, -0.041210878640413284, -0.054200056940317154, -0.04358135536313057, 0.03534575551748276, 0.027581045404076576, 0.03494608402252197, -0.04034874215722084, 0.015665195882320404, 0.006236433517187834, -0.021418705582618713, 0.04168194904923439, -0.0044439...
40,513
40,513
['Stijn van Dongen', 'Anton J. Enright']
1208.3145v1
We investigate two classes of transformations of cosine similarity and Pearson and Spearman correlations into metric distances, utilising the simple tool of metric-preserving functions. The first class puts anti-correlated objects maximally far apart. Previously known transforms fall within this class. The second class...
Metric distances derived from cosine similarity and Pearson and Spearman correlations
2,012
http://arxiv.org/pdf/1208.3145v1
Title Metric distance derived cosine similarity Pearson Spearman correlation Summary investigate two class transformation cosine similarity Pearson Spearman correlation metric distance utilising simple tool metricpreserving function first class put anticorrelated object maximally far apart Previously known transforms f...
[-0.0017239461885765195, 0.0016298789996653795, -0.007444172631949186, 0.0016079026972875, -0.04940096288919449, -0.001021405216306448, 0.05335332080721855, 0.042682912200689316, -0.03660762682557106, 0.009122248739004135, -0.011908885091543198, 0.04535027593374252, 0.036613091826438904, -0.01772318221628666, -0.040480...
40,514
40,514
['Pol Blasco', 'Deniz Gündüz', 'Mischa Dohler']
1208.4290v2
A point-to-point wireless communication system in which the transmitter is equipped with an energy harvesting device and a rechargeable battery, is studied. Both the energy and the data arrivals at the transmitter are modeled as Markov processes. Delay-limited communication is considered assuming that the underlying ch...
A Learning Theoretic Approach to Energy Harvesting Communication System Optimization
2,012
http://arxiv.org/pdf/1208.4290v2
Title Learning Theoretic Approach Energy Harvesting Communication System Optimization Summary pointtopoint wireless communication system transmitter equipped energy harvesting device rechargeable battery studied energy data arrival transmitter modeled Markov process Delaylimited communication considered assuming underl...
[-0.005601472686976194, -0.029603902250528336, 0.010226809419691563, 0.009188649244606495, 0.02853233367204666, -0.01689690165221691, -0.0513179711997509, -0.005842909216880798, -0.047250617295503616, 0.02406293712556362, 0.06520339846611023, 0.08819260448217392, 0.014663899317383766, 0.0006909751682542264, 0.015076505...
40,515
40,515
['Paul M. B. Vitanyi', 'Nick Chater']
1208.5003v3
We consider the problem of inferring the probability distribution associated with a language, given data consisting of an infinite sequence of elements of the languge. We do this under two assumptions on the algorithms concerned: (i) like a real-life algorothm it has round-off errors, and (ii) it has no round-off error...
Identification of Probabilities of Languages
2,012
http://arxiv.org/pdf/1208.5003v3
Title Identification Probabilities Languages Summary consider problem inferring probability distribution associated language given data consisting infinite sequence element languge two assumption algorithm concerned like reallife algorothm roundoff error ii roundoff error Assuming consider probability mass function ele...
[0.008780895732343197, 0.056301359087228775, -0.02066374383866787, 0.0206903088837862, -0.060069501399993896, -0.009569229558110237, -0.03387949988245964, 0.032493289560079575, -0.038731999695301056, 0.025766562670469284, 0.06974092125892639, -0.011240189895033836, 0.04230860620737076, 0.05317742004990578, 0.0029381329...
40,516
40,516
['B. Mishra', 'G. Meyer', 'S. Bonnabel', 'R. Sepulchre']
1209.0430v2
Motivated by the problem of learning a linear regression model whose parameter is a large fixed-rank non-symmetric matrix, we consider the optimization of a smooth cost function defined on the set of fixed-rank matrices. We adopt the geometric framework of optimization on Riemannian quotient manifolds. We study the und...
Fixed-rank matrix factorizations and Riemannian low-rank optimization
2,012
http://arxiv.org/pdf/1209.0430v2
Title Fixedrank matrix factorization Riemannian lowrank optimization Summary Motivated problem learning linear regression model whose parameter large fixedrank nonsymmetric matrix consider optimization smooth cost function defined set fixedrank matrix adopt geometric framework optimization Riemannian quotient manifold ...
[-0.0036589698866009712, 0.02617887407541275, -0.012896829284727573, 0.037416890263557434, 0.036850154399871826, 0.010776466690003872, 0.008870267309248447, 0.013994279317557812, 0.05591784790158272, -0.007664703764021397, -0.0007811099058017135, 0.00489497696980834, 0.011627539992332458, 0.021171046420931816, 0.030184...
40,517
40,517
['Jan Oksanen', 'Jarmo Lundén', 'Visa Koivunen']
1209.1739v1
Finding an optimal sensing policy for a particular access policy and sensing scheme is a laborious combinatorial problem that requires the system model parameters to be known. In practise the parameters or the model itself may not be completely known making reinforcement learning methods appealing. In this paper a non-...
Design of Spectrum Sensing Policy for Multi-user Multi-band Cognitive Radio Network
2,012
http://arxiv.org/pdf/1209.1739v1
Title Design Spectrum Sensing Policy Multiuser Multiband Cognitive Radio Network Summary Finding optimal sensing policy particular access policy sensing scheme laborious combinatorial problem requires system model parameter known practise parameter model may completely known making reinforcement learning method appeali...
[0.0032045890111476183, 0.007365778088569641, -0.033517736941576004, -0.07002975791692734, -0.0451040156185627, -0.07000546902418137, -0.007544105406850576, -0.03902051970362663, 0.002726729027926922, 0.004128263331949711, -0.010601049289107323, 0.03023534268140793, -0.04259691759943962, -0.005154888611286879, -0.04445...
40,518
40,518
['Eitan Menahem', 'Alon Schclar', 'Lior Rokach', 'Yuval Elovici']
1209.1797v3
XML transactions are used in many information systems to store data and interact with other systems. Abnormal transactions, the result of either an on-going cyber attack or the actions of a benign user, can potentially harm the interacting systems and therefore they are regarded as a threat. In this paper we address th...
Securing Your Transactions: Detecting Anomalous Patterns In XML Documents
2,012
http://arxiv.org/pdf/1209.1797v3
Title Securing Transactions Detecting Anomalous Patterns XML Documents Summary XML transaction used many information system store data interact system Abnormal transaction result either ongoing cyber attack action benign user potentially harm interacting system therefore regarded threat paper address problem anomaly de...
[0.046378567814826965, -0.02422209642827511, -0.019328588619828224, 0.02666659466922283, -0.01743960939347744, -0.017676232382655144, 0.025655873119831085, 0.023858509957790375, 0.017462242394685745, -0.013036949560046196, 0.05389374867081642, 0.02011130005121231, 0.0063597215339541435, 0.06840687990188599, -0.03226562...
40,519
40,519
['Barzan Mozafari', 'Purnamrita Sarkar', 'Michael J. Franklin', 'Michael I. Jordan', 'Samuel Madden']
1209.3686v4
Crowd-sourcing has become a popular means of acquiring labeled data for a wide variety of tasks where humans are more accurate than computers, e.g., labeling images, matching objects, or analyzing sentiment. However, relying solely on the crowd is often impractical even for data sets with thousands of items, due to tim...
Active Learning for Crowd-Sourced Databases
2,012
http://arxiv.org/pdf/1209.3686v4
Title Active Learning CrowdSourced Databases Summary Crowdsourcing become popular mean acquiring labeled data wide variety task human accurate computer eg labeling image matching object analyzing sentiment However relying solely crowd often impractical even data set thousand item due time cost constraint acquiring huma...
[0.031700119376182556, 0.03322158008813858, -0.007471201475709677, 0.012235318310558796, -0.009067857638001442, 0.02712348662316799, 0.01607501693069935, -0.010255335830152035, 0.013638300821185112, -0.0524890162050724, 0.016345113515853882, 0.003009339328855276, -0.010426532477140427, 0.06727747619152069, 0.0268407016...
40,520
40,520
['Kasturi Varadarajan', 'Xin Xiao']
1209.4893v2
In this article, we study shape fitting problems, $\epsilon$-coresets, and total sensitivity. We focus on the $(j,k)$-projective clustering problems, including $k$-median/$k$-means, $k$-line clustering, $j$-subspace approximation, and the integer $(j,k)$-projective clustering problem. We derive upper bounds of total se...
On the Sensitivity of Shape Fitting Problems
2,012
http://arxiv.org/pdf/1209.4893v2
Title Sensitivity Shape Fitting Problems Summary article study shape fitting problem epsiloncoresets total sensitivity focus jkprojective clustering problem including kmediankmeans kline clustering jsubspace approximation integer jkprojective clustering problem derive upper bound total sensitivity problem obtain epsilo...
[-0.05666789412498474, -0.04563053697347641, -0.047936830669641495, 0.04983086138963699, 0.01749299094080925, -0.023324361070990562, 0.03445558249950409, 0.05444558709859848, 0.012083201669156551, 0.03790907934308052, 0.009918554686009884, 0.006541362497955561, 0.03812752664089203, 0.06130325794219971, -0.0073777078650...
40,521
40,521
['Makiko Konoshima', 'Yui Noma']
1209.5833v2
We propose a learning method with feature selection for Locality-Sensitive Hashing. Locality-Sensitive Hashing converts feature vectors into bit arrays. These bit arrays can be used to perform similarity searches and personal authentication. The proposed method uses bit arrays longer than those used in the end for simi...
Locality-Sensitive Hashing with Margin Based Feature Selection
2,012
http://arxiv.org/pdf/1209.5833v2
Title LocalitySensitive Hashing Margin Based Feature Selection Summary propose learning method feature selection LocalitySensitive Hashing LocalitySensitive Hashing convert feature vector bit array bit array used perform similarity search personal authentication proposed method us bit array longer used end similarity s...
[-0.025564763695001602, 0.008919981308281422, -0.014311829581856728, 0.03544965758919716, -0.037395864725112915, 0.013330638408660889, 0.12088780850172043, 0.03242192417383194, -0.009027518332004547, -0.029070522636175156, 0.03221758455038071, -0.004489467479288578, 0.0018885196186602116, 0.02542285807430744, -0.019689...
40,522
40,522
['Pablo Sprechmann', 'Alex M. Bronstein', 'Guillermo Sapiro']
1209.6393v1
In this paper we present a comprehensive framework for learning robust low-rank representations by combining and extending recent ideas for learning fast sparse coding regressors with structured non-convex optimization techniques. This approach connects robust principal component analysis (RPCA) with dictionary learnin...
Learning Robust Low-Rank Representations
2,012
http://arxiv.org/pdf/1209.6393v1
Title Learning Robust LowRank Representations Summary paper present comprehensive framework learning robust lowrank representation combining extending recent idea learning fast sparse coding regressors structured nonconvex optimization technique approach connects robust principal component analysis RPCA dictionary lear...
[0.005062490701675415, 0.046525292098522186, -0.0085265152156353, 0.0668376237154007, 0.05255812034010887, -0.017110170796513557, -0.004924585577100515, 0.017801199108362198, -0.041474632918834686, -0.0018485027831047773, -0.012961297295987606, 0.009733282960951328, -0.004616088233888149, 0.0393550768494606, 0.02779045...
40,523
40,523
['Houtao Deng', 'George Runger']
1209.6425v3
The regularized random forest (RRF) was recently proposed for feature selection by building only one ensemble. In RRF the features are evaluated on a part of the training data at each tree node. We derive an upper bound for the number of distinct Gini information gain values in a node, and show that many features can s...
Gene selection with guided regularized random forest
2,012
http://arxiv.org/pdf/1209.6425v3
Title Gene selection guided regularized random forest Summary regularized random forest RRF recently proposed feature selection building one ensemble RRF feature evaluated part training data tree node derive upper bound number distinct Gini information gain value node show many feature share information gain node small...
[0.02368643321096897, 0.011692280881106853, -0.050486400723457336, -0.026351409032940865, -0.014464985579252243, -0.006727985572069883, 0.05204164981842041, 0.04182351753115654, 0.016101108863949776, -0.0019776555709540844, 0.06942356377840042, 0.029723137617111206, 0.027660762891173363, 0.026518844068050385, -0.004718...
40,524
40,524
['F. Ozgur Catak', 'M. Erdal Balaban']
1301.0082v1
In conventional method, distributed support vector machines (SVM) algorithms are trained over pre-configured intranet/internet environments to find out an optimal classifier. These methods are very complicated and costly for large datasets. Hence, we propose a method that is referred as the Cloud SVM training mechanism...
CloudSVM : Training an SVM Classifier in Cloud Computing Systems
2,013
http://arxiv.org/pdf/1301.0082v1
Title CloudSVM Training SVM Classifier Cloud Computing Systems Summary conventional method distributed support vector machine SVM algorithm trained preconfigured intranetinternet environment find optimal classifier method complicated costly large datasets Hence propose method referred Cloud SVM training mechanism Cloud...
[0.006209544371813536, -0.00982762686908245, -0.018499057739973068, -0.005178053397685289, -0.003448692848905921, 0.02942487969994545, 0.05858026444911957, -0.006144756451249123, 0.031212763860821724, -0.015909504145383835, 0.04506094753742218, 0.018799154087901115, 0.00515797920525074, 0.03708494454622269, -0.00960042...
40,525
40,525
['Hamidreza Chitsaz', 'Elmirasadat Forouzmand', 'Gholamreza Haffari']
1301.1590v1
It has been shown that minimum free energy structure for RNAs and RNA-RNA interaction is often incorrect due to inaccuracies in the energy parameters and inherent limitations of the energy model. In contrast, ensemble based quantities such as melting temperature and equilibrium concentrations can be more reliably predi...
An Efficient Algorithm for Upper Bound on the Partition Function of Nucleic Acids
2,013
http://arxiv.org/pdf/1301.1590v1
Title Efficient Algorithm Upper Bound Partition Function Nucleic Acids Summary shown minimum free energy structure RNAs RNARNA interaction often incorrect due inaccuracy energy parameter inherent limitation energy model contrast ensemble based quantity melting temperature equilibrium concentration reliably predicted Ev...
[0.002672175643965602, -0.025067072361707687, 0.016400165855884552, 0.03143899515271187, 0.008016200736165047, -0.008618984371423721, 0.015521989203989506, -0.007015491835772991, 0.02143612690269947, -0.016600433737039566, 0.033112406730651855, -0.03479335457086563, 0.03922487422823906, 0.049285635352134705, 0.01738027...
40,526
40,526
['Rita Sharma', 'David L Poole']
1301.2309v1
Collaborative filtering is the process of making recommendations regarding the potential preference of a user, for example shopping on the Internet, based on the preference ratings of the user and a number of other users for various items. This paper considers collaborative filtering based on explicitmulti-valued ratin...
Symmetric Collaborative Filtering Using the Noisy Sensor Model
2,013
http://arxiv.org/pdf/1301.2309v1
Title Symmetric Collaborative Filtering Using Noisy Sensor Model Summary Collaborative filtering process making recommendation regarding potential preference user example shopping Internet based preference rating user number user various item paper considers collaborative filtering based explicitmultivalued rating eval...
[0.008782458491623402, 0.015500392764806747, -0.003009394509717822, -0.023728370666503906, -0.03332379832863808, -0.00459327083081007, 0.028603585436940193, 0.009473216719925404, -0.007886656560003757, -0.025943433865904808, -0.04060247540473938, 0.008654385805130005, 0.007603995501995087, 0.034851767122745514, -0.0125...
40,527
40,527
['Muhammad Rafi', 'Mohammad Shahid Shaikh']
1301.2785v1
Document classification is a task of assigning a new unclassified document to one of the predefined set of classes. The content based document classification uses the content of the document with some weighting criteria to assign it to one of the predefined classes. It is a major task in library science, electronic doc...
A comparison of SVM and RVM for Document Classification
2,013
http://arxiv.org/pdf/1301.2785v1
Title comparison SVM RVM Document Classification Summary Document classification task assigning new unclassified document one predefined set class content based document classification us content document weighting criterion assign one predefined class major task library science electronic document management system in...
[0.05774236470460892, -0.032632920891046524, 0.004407941363751888, -0.010359959676861763, -0.01884765923023224, 0.020488448441028595, 0.03451387211680412, 0.026344312354922295, -0.012620843015611172, -0.06945031881332397, 0.02125324122607708, 0.025510607287287712, 0.023115264251828194, -0.02499411441385746, -0.03350143...
40,528
40,528
['Hugo Van hamme']
1301.3389v2
Non-negative matrix factorization (NMF) has become a popular machine learning approach to many problems in text mining, speech and image processing, bio-informatics and seismic data analysis to name a few. In NMF, a matrix of non-negative data is approximated by the low-rank product of two matrices with non-negative en...
The Diagonalized Newton Algorithm for Nonnegative Matrix Factorization
2,013
http://arxiv.org/pdf/1301.3389v2
Title Diagonalized Newton Algorithm Nonnegative Matrix Factorization Summary Nonnegative matrix factorization NMF become popular machine learning approach many problem text mining speech image processing bioinformatics seismic data analysis name NMF matrix nonnegative data approximated lowrank product two matrix nonneg...
[-0.04855253919959068, 0.021101033315062523, -0.013566582463681698, 0.03508944436907768, -0.01605318859219551, -0.020591752603650093, -0.005609322339296341, 0.019227951765060425, -0.06961600482463837, -0.0046234456822276115, -0.0023273027036339045, -0.012901190668344498, 0.020082810893654823, 0.015001890249550343, -0.0...
40,529
40,529
['Vamsi K. Potluru', 'Sergey M. Plis', 'Jonathan Le Roux', 'Barak A. Pearlmutter', 'Vince D. Calhoun', 'Thomas P. Hayes']
1301.3527v2
Nonnegative matrix factorization (NMF) has become a ubiquitous tool for data analysis. An important variant is the sparse NMF problem which arises when we explicitly require the learnt features to be sparse. A natural measure of sparsity is the L$_0$ norm, however its optimization is NP-hard. Mixed norms, such as L$_1$...
Block Coordinate Descent for Sparse NMF
2,013
http://arxiv.org/pdf/1301.3527v2
Title Block Coordinate Descent Sparse NMF Summary Nonnegative matrix factorization NMF become ubiquitous tool data analysis important variant sparse NMF problem arises explicitly require learnt feature sparse natural measure sparsity L0 norm however optimization NPhard Mixed norm L1L2 measure shown model sparsity robus...
[-0.06981907784938812, 0.05822659283876419, -0.0006703216349706054, 0.017602402716875076, 0.038129787892103195, -0.017369944602251053, 0.022350875660777092, 0.05252306908369064, -0.014975612051784992, 0.002320698695257306, -9.518376464257017e-05, -0.03089166060090065, 0.0090234549716115, 0.020047631114721298, 0.0004226...
40,530
40,530
['Razvan Pascanu', 'Yoshua Bengio']
1301.3584v7
We evaluate natural gradient, an algorithm originally proposed in Amari (1997), for learning deep models. The contributions of this paper are as follows. We show the connection between natural gradient and three other recently proposed methods for training deep models: Hessian-Free (Martens, 2010), Krylov Subspace Desc...
Revisiting Natural Gradient for Deep Networks
2,013
http://arxiv.org/pdf/1301.3584v7
Title Revisiting Natural Gradient Deep Networks Summary evaluate natural gradient algorithm originally proposed Amari 1997 learning deep model contribution paper follows show connection natural gradient three recently proposed method training deep model HessianFree Martens 2010 Krylov Subspace Descent Vinyals Povey 201...
[-0.0025335242971777916, 0.01783045195043087, -0.0031706197187304497, 0.023112652823328972, 0.02420354261994362, -0.016692128032445908, -0.006562164053320885, -0.019774233922362328, 0.016454093158245087, 0.03116763010621071, -0.048457320779561996, 0.018049459904432297, -0.01140065211802721, -0.009460399858653545, 0.056...
40,531
40,531
['John S. Breese', 'David Heckerman', 'Carl Kadie']
1301.7363v1
Collaborative filtering or recommender systems use a database about user preferences to predict additional topics or products a new user might like. In this paper we describe several algorithms designed for this task, including techniques based on correlation coefficients, vector-based similarity calculations, and stat...
Empirical Analysis of Predictive Algorithms for Collaborative Filtering
2,013
http://arxiv.org/pdf/1301.7363v1
Title Empirical Analysis Predictive Algorithms Collaborative Filtering Summary Collaborative filtering recommender system use database user preference predict additional topic product new user might like paper describe several algorithm designed task including technique based correlation coefficient vectorbased similar...
[0.02695382945239544, -0.0007963916286826134, -0.011771568097174168, -0.022246195003390312, -0.040704306215047836, -0.03852296993136406, 0.025240015238523483, 0.023012332618236542, 0.008438303135335445, -0.003246479667723179, -0.029594676569104195, 0.011260870844125748, 0.023833410814404488, 0.05154035985469818, -0.038...
40,532
40,532
['Chao Zhang', 'Lei Zhang', 'Jieping Ye']
1304.1574v1
In this paper, we provide a new framework to obtain the generalization bounds of the learning process for domain adaptation, and then apply the derived bounds to analyze the asymptotical convergence of the learning process. Without loss of generality, we consider two kinds of representative domain adaptation: one is wi...
Generalization Bounds for Domain Adaptation
2,013
http://arxiv.org/pdf/1304.1574v1
Title Generalization Bounds Domain Adaptation Summary paper provide new framework obtain generalization bound learning process domain adaptation apply derived bound analyze asymptotical convergence learning process Without loss generality consider two kind representative domain adaptation one multiple source combining ...
[-0.02683868259191513, -0.013475160114467144, -0.029621655121445656, -0.002311290707439184, -0.02140357345342636, 0.0006741327233612537, 0.014079621061682701, 0.026455461978912354, -0.07217492163181305, 0.006727173458784819, -0.019683586433529854, -0.010879438370466232, -0.021331781521439552, 0.012868561781942844, -0.0...
40,533
40,533
['Jialu Liu']
1304.5168v1
This article gives a survey for bag-of-words (BoW) or bag-of-features model in image retrieval system. In recent years, large-scale image retrieval shows significant potential in both industry applications and research problems. As local descriptors like SIFT demonstrate great discriminative power in solving vision pro...
Image Retrieval based on Bag-of-Words model
2,013
http://arxiv.org/pdf/1304.5168v1
Title Image Retrieval based BagofWords model Summary article give survey bagofwords BoW bagoffeatures model image retrieval system recent year largescale image retrieval show significant potential industry application research problem local descriptor like SIFT demonstrate great discriminative power solving vision prob...
[0.03355765715241432, 0.006209368817508221, 0.015437208116054535, 0.0559346042573452, -0.022280246019363403, 0.008382871747016907, 0.010226242244243622, 0.07734803855419159, 0.02126234769821167, -0.053723689168691635, 0.017564138397574425, 0.008907069452106953, -0.0395185612142086, 0.0575808510184288, -0.01026826724410...
40,534
40,534
['Rami Abousleiman', 'Guangzhi Qu', 'Osamah Rawashdeh']
1304.7851v2
The North Atlantic right whale (Eubalaena glacialis) is an endangered species. These whales continuously suffer from deadly vessel impacts alongside the eastern coast of North America. There have been countless efforts to save the remaining 350 - 400 of them. One of the most prominent works is done by Marinexplore and ...
North Atlantic Right Whale Contact Call Detection
2,013
http://arxiv.org/pdf/1304.7851v2
Title North Atlantic Right Whale Contact Call Detection Summary North Atlantic right whale Eubalaena glacialis endangered specie whale continuously suffer deadly vessel impact alongside eastern coast North America countless effort save remaining 350 400 One prominent work done Marinexplore Cornell University system hyd...
[0.01751120761036873, 0.06920649111270905, -0.028089627623558044, -0.03919942304491997, 0.03211040794849396, 0.038661107420921326, 0.012041755020618439, 0.011163006536662579, -0.04414597153663635, -0.053507328033447266, -0.022613264620304108, 0.02521703951060772, 0.04146800935268402, 0.022461796179413795, -0.0075330748...
40,535
40,535
['Aleksandrs Slivkins']
1306.0155v1
We consider an application of multi-armed bandits to internet advertising (specifically, to dynamic ad allocation in the pay-per-click model, with uncertainty on the click probabilities). We focus on an important practical issue that advertisers are constrained in how much money they can spend on their ad campaigns. Th...
Dynamic Ad Allocation: Bandits with Budgets
2,013
http://arxiv.org/pdf/1306.0155v1
Title Dynamic Ad Allocation Bandits Budgets Summary consider application multiarmed bandit internet advertising specifically dynamic ad allocation payperclick model uncertainty click probability focus important practical issue advertiser constrained much money spend ad campaign issue considered prior work banditbased a...
[0.06592494249343872, 0.042505376040935516, -0.03081665188074112, -0.07167617976665497, 0.008459684439003468, -0.03762124478816986, 0.02816993184387684, -0.012552228756248951, -0.00460441317409277, -0.04229958355426788, -0.028953485190868378, -0.04189458116889, -0.0351698100566864, 0.08391334116458893, 0.00755072478204...
40,536
40,536
['Marina Danilevsky', 'Chi Wang', 'Nihit Desai', 'Jingyi Guo', 'Jiawei Han']
1306.0271v1
We introduce KERT (Keyphrase Extraction and Ranking by Topic), a framework for topical keyphrase generation and ranking. By shifting from the unigram-centric traditional methods of unsupervised keyphrase extraction to a phrase-centric approach, we are able to directly compare and rank phrases of different lengths. We c...
KERT: Automatic Extraction and Ranking of Topical Keyphrases from Content-Representative Document Titles
2,013
http://arxiv.org/pdf/1306.0271v1
Title KERT Automatic Extraction Ranking Topical Keyphrases ContentRepresentative Document Titles Summary introduce KERT Keyphrase Extraction Ranking Topic framework topical keyphrase generation ranking shifting unigramcentric traditional method unsupervised keyphrase extraction phrasecentric approach able directly comp...
[0.07744073122739792, -0.015339476056396961, -0.022575434297323227, 0.0005857402575202286, -0.03937961533665657, 0.011276140809059143, 0.0292917862534523, 0.023563673719763756, 0.0008438429213128984, -0.04994796961545944, 0.013494095765054226, 0.058537885546684265, 0.0057024587877094746, 0.057303693145513535, -0.003851...
40,537
40,537
['Uri Kartoun']
1306.0541v1
The paper presents a time-series-based classification approach to identify similarities in pairs of simulated human-generated patterns. An example for a pattern is a time-series representing a heart rate during a specific time-range, wherein the time-series is a sequence of data points that represent the changes in the...
Identifying Pairs in Simulated Bio-Medical Time-Series
2,013
http://arxiv.org/pdf/1306.0541v1
Title Identifying Pairs Simulated BioMedical TimeSeries Summary paper present timeseriesbased classification approach identify similarity pair simulated humangenerated pattern example pattern timeseries representing heart rate specific timerange wherein timeseries sequence data point represent change heart rate value b...
[-0.033926818519830704, 0.01321318931877613, -0.04818198084831238, -0.040026113390922546, -0.0336187370121479, 0.008227603510022163, 0.030654489994049072, 0.05741054192185402, -0.0037763018626719713, 0.021910427138209343, 0.033914338797330856, -0.0056370096281170845, 0.02820969931781292, 0.056458353996276855, -0.013969...
40,538
40,538
['Munther Abualkibash', 'Ahmed ElSayed', 'Ausif Mahmood']
1306.1467v1
AdaBoost is an important algorithm in machine learning and is being widely used in object detection. AdaBoost works by iteratively selecting the best amongst weak classifiers, and then combines several weak classifiers to obtain a strong classifier. Even though AdaBoost has proven to be very effective, its learning exe...
Highly Scalable, Parallel and Distributed AdaBoost Algorithm using Light Weight Threads and Web Services on a Network of Multi-Core Machines
2,013
http://arxiv.org/pdf/1306.1467v1
Title Highly Scalable Parallel Distributed AdaBoost Algorithm using Light Weight Threads Web Services Network MultiCore Machines Summary AdaBoost important algorithm machine learning widely used object detection AdaBoost work iteratively selecting best amongst weak classifier combine several weak classifier obtain stro...
[-0.020577240735292435, -0.01793212629854679, -0.017669038847088814, 0.02355971746146679, 0.0009952974505722523, 0.03504246473312378, 0.04536261782050133, 0.027165869250893593, 0.03911958262324333, -0.04637344181537628, 0.008026575669646263, -0.008088751696050167, -0.001224119565449655, 0.026093121618032455, -0.0167577...
40,539
40,539
['Kiyana Zolfaghar', 'Nele Verbiest', 'Jayshree Agarwal', 'Naren Meadem', 'Si-Chi Chin', 'Senjuti Basu Roy', 'Ankur Teredesai', 'David Hazel', 'Paul Amoroso', 'Lester Reed']
1306.2094v1
Mitigating risk-of-readmission of Congestive Heart Failure (CHF) patients within 30 days of discharge is important because such readmissions are not only expensive but also critical indicator of provider care and quality of treatment. Accurately predicting the risk-of-readmission may allow hospitals to identify high-ri...
Predicting Risk-of-Readmission for Congestive Heart Failure Patients: A Multi-Layer Approach
2,013
http://arxiv.org/pdf/1306.2094v1
Title Predicting RiskofReadmission Congestive Heart Failure Patients MultiLayer Approach Summary Mitigating riskofreadmission Congestive Heart Failure CHF patient within 30 day discharge important readmission expensive also critical indicator provider care quality treatment Accurately predicting riskofreadmission may a...
[-0.007240136153995991, 0.005292464047670364, -0.023636823520064354, -0.057679470628499985, 0.015010968782007694, 0.009371825493872166, 0.03836749494075775, 0.002671446418389678, 0.02266484871506691, 0.027414459735155106, 0.06402693688869476, -0.024306105449795723, 0.025660984218120575, 0.0320698618888855, -0.006447419...
40,540
40,540
['E. N. Sathishkumar', 'K. Thangavel', 'T. Chandrasekhar']
1306.2118v1
We extend the standard rough set-based approach to deal with huge amounts of numeric attributes versus small amount of available objects. Here, a novel approach of clustering along with dimensionality reduction; Hybrid Fuzzy C Means-Quick Reduct (FCMQR) algorithm is proposed for single gene selection. Gene selection is...
A Novel Approach for Single Gene Selection Using Clustering and Dimensionality Reduction
2,013
http://arxiv.org/pdf/1306.2118v1
Title Novel Approach Single Gene Selection Using Clustering Dimensionality Reduction Summary extend standard rough setbased approach deal huge amount numeric attribute versus small amount available object novel approach clustering along dimensionality reduction Hybrid Fuzzy C MeansQuick Reduct FCMQR algorithm proposed ...
[-0.015683623030781746, 0.037801798433065414, -0.06341832131147385, -0.015194571577012539, -0.017401203513145447, 0.032554078847169876, 0.08914054930210114, 0.0571579709649086, 0.04462077468633652, 0.01577116921544075, 0.0735616460442543, 0.028621861711144447, 0.015277151949703693, -0.0050374181009829044, 0.00699446210...
40,541
40,541
['Guoqiang Zhong', 'Mohamed Cheriet']
1306.2663v1
Other than vector representations, the direct objects of human cognition are generally high-order tensors, such as 2D images and 3D textures. From this fact, two interesting questions naturally arise: How does the human brain represent these tensor perceptions in a "manifold" way, and how can they be recognized on the ...
Large Margin Low Rank Tensor Analysis
2,013
http://arxiv.org/pdf/1306.2663v1
Title Large Margin Low Rank Tensor Analysis Summary vector representation direct object human cognition generally highorder tensor 2D image 3D texture fact two interesting question naturally arise human brain represent tensor perception manifold way recognized manifold paper present supervised model learn intrinsic str...
[-0.01312856376171112, 0.008436097763478756, -0.026101181283593178, 0.04572521895170212, -0.004310741554945707, 0.06184489652514458, 0.04025770351290703, 0.03099670633673668, 0.03631086274981499, -0.0003798453835770488, -0.030281830579042435, -0.023829851299524307, 0.016241878271102905, -0.002555807586759329, 0.0629407...
40,542
40,542
['B. Mishra', 'R. Sepulchre']
1306.2672v2
We exploit the versatile framework of Riemannian optimization on quotient manifolds to develop R3MC, a nonlinear conjugate-gradient method for low-rank matrix completion. The underlying search space of fixed-rank matrices is endowed with a novel Riemannian metric that is tailored to the least-squares cost. Numerical co...
R3MC: A Riemannian three-factor algorithm for low-rank matrix completion
2,013
http://arxiv.org/pdf/1306.2672v2
Title R3MC Riemannian threefactor algorithm lowrank matrix completion Summary exploit versatile framework Riemannian optimization quotient manifold develop R3MC nonlinear conjugategradient method lowrank matrix completion underlying search space fixedrank matrix endowed novel Riemannian metric tailored leastsquares cos...
[0.03727960214018822, 0.03324487805366516, 0.031223371624946594, 0.018054598942399025, 0.029332399368286133, -0.004496040288358927, -0.05504288896918297, 0.028129201382398605, 0.051877569407224655, 0.027102960273623466, -0.014630625955760479, -0.00028477521846070886, 0.056117668747901917, -0.021774988621473312, -0.0043...
40,543
40,543
['Sudipto Guha', 'Kamesh Munagala']
1306.3525v2
In this paper, we consider several finite-horizon Bayesian multi-armed bandit problems with side constraints which are computationally intractable (NP-Hard) and for which no optimal (or near optimal) algorithms are known to exist with sub-exponential running time. All of these problems violate the standard exchange pro...
Approximation Algorithms for Bayesian Multi-Armed Bandit Problems
2,013
http://arxiv.org/pdf/1306.3525v2
Title Approximation Algorithms Bayesian MultiArmed Bandit Problems Summary paper consider several finitehorizon Bayesian multiarmed bandit problem side constraint computationally intractable NPHard optimal near optimal algorithm known exist subexponential running time problem violate standard exchange property assumes ...
[-0.001519938581623137, 0.024292510002851486, -0.004495494067668915, -0.03787628933787346, -0.025138648226857185, -0.013913615606725216, -0.00709216995164752, 0.03406977280974388, -0.013726779259741306, 0.0014902115799486637, -0.038477085530757904, 0.01106543280184269, -0.04127714782953262, 0.00657456973567605, 0.00780...
40,544
40,544
['Huahua Wang', 'Arindam Banerjee']
1306.3721v2
Online optimization has emerged as powerful tool in large scale optimization. In this pa- per, we introduce efficient online optimization algorithms based on the alternating direction method (ADM), which can solve online convex optimization under linear constraints where the objective could be non-smooth. We introduce ...
Online Alternating Direction Method (longer version)
2,013
http://arxiv.org/pdf/1306.3721v2
Title Online Alternating Direction Method longer version Summary Online optimization emerged powerful tool large scale optimization pa per introduce efficient online optimization algorithm based alternating direction method ADM solve online convex optimization linear constraint objective could nonsmooth introduce new p...
[-0.02695453353226185, 0.051341354846954346, -0.004009578842669725, -0.02091202139854431, -0.015904469415545464, -0.0342288464307785, 0.006778797600418329, -0.023130815476179123, -0.010411330498754978, 0.005700125824660063, 0.0034026051871478558, -0.02853068709373474, -0.003528041299432516, 0.05744919180870056, 0.00485...
40,545
40,545
['Peter Sarlin', 'Samuel Rönnqvist']
1306.3860v1
This paper takes an information visualization perspective to visual representations in the general SOM paradigm. This involves viewing SOM-based visualizations through the eyes of Bertin's and Tufte's theories on data graphics. The regular grid shape of the Self-Organizing Map (SOM), while being a virtue for linking vi...
Cluster coloring of the Self-Organizing Map: An information visualization perspective
2,013
http://arxiv.org/pdf/1306.3860v1
Title Cluster coloring SelfOrganizing Map information visualization perspective Summary paper take information visualization perspective visual representation general SOM paradigm involves viewing SOMbased visualization eye Bertins Tuftes theory data graphic regular grid shape SelfOrganizing Map SOM virtue linking visu...
[-0.053234390914440155, 0.0032906015403568745, -0.03575795888900757, 0.008676453493535519, 0.002276625484228134, 0.007480278145521879, 0.0495477057993412, 0.0004183838318567723, 0.03684726729989052, 0.031026501208543777, -0.04252233728766441, 0.09190113842487335, 0.01388021744787693, 0.01407534908503294, 0.003388728946...
40,546
40,546
['An Bian', 'Xiong Li', 'Yuncai Liu', 'Ming-Hsuan Yang']
1306.4080v4
The recent years have witnessed advances in parallel algorithms for large scale optimization problems. Notwithstanding demonstrated success, existing algorithms that parallelize over features are usually limited by divergence issues under high parallelism or require data preprocessing to alleviate these problems. In th...
Parallel Coordinate Descent Newton Method for Efficient $\ell_1$-Regularized Minimization
2,013
http://arxiv.org/pdf/1306.4080v4
Title Parallel Coordinate Descent Newton Method Efficient ell1Regularized Minimization Summary recent year witnessed advance parallel algorithm large scale optimization problem Notwithstanding demonstrated success existing algorithm parallelize feature usually limited divergence issue high parallelism require data prep...
[-0.030086476355791092, 0.04530581086874008, -0.02558824047446251, 0.041539061814546585, -0.00472935801371932, 0.002932616975158453, 0.06619363278150558, -0.01286949310451746, -0.03168097138404846, 0.004646987188607454, 0.043116603046655655, 0.018544789403676987, 0.024947836995124817, -0.01588134653866291, -0.039708886...
40,547
40,547
['Sumit Goswami', 'Mayank Singh Shishodia']
1306.4633v1
Fuzzy logic deals with degrees of truth. In this paper, we have shown how to apply fuzzy logic in text mining in order to perform document clustering. We took an example of document clustering where the documents had to be clustered into two categories. The method involved cleaning up the text and stemming of words. Th...
A Fuzzy Based Approach to Text Mining and Document Clustering
2,013
http://arxiv.org/pdf/1306.4633v1
Title Fuzzy Based Approach Text Mining Document Clustering Summary Fuzzy logic deal degree truth paper shown apply fuzzy logic text mining order perform document clustering took example document clustering document clustered two category method involved cleaning text stemming word chose number feature differ significan...
[0.011140639893710613, -0.030188264325261116, -0.050049979239702225, 0.006859514396637678, -0.02102700248360634, 0.0006738764932379127, -0.012489521875977516, 0.04531959816813469, 0.030933158472180367, -0.03853463754057884, 0.022925982251763344, 0.05258285999298096, 0.047359153628349304, -0.019602209329605103, -0.01315...
40,548
40,548
['Radim Belohlavek', 'Martin Trnecka']
1306.4905v1
We present new results on Boolean matrix factorization and a new algorithm based on these results. The results emphasize the significance of factorizations that provide from-below approximations of the input matrix. While the previously proposed algorithms do not consider the possibly different significance of differen...
From-Below Approximations in Boolean Matrix Factorization: Geometry and New Algorithm
2,013
http://arxiv.org/pdf/1306.4905v1
Title FromBelow Approximations Boolean Matrix Factorization Geometry New Algorithm Summary present new result Boolean matrix factorization new algorithm based result result emphasize significance factorization provide frombelow approximation input matrix previously proposed algorithm consider possibly different signifi...
[-0.048890747129917145, -0.017493918538093567, -0.04875136911869049, 0.024611975997686386, -0.025318244472146034, -0.011500393971800804, 0.06071304529905319, 0.011198578402400017, -0.023797348141670227, 0.014743614941835403, 0.061896804720163345, 0.06311383843421936, 0.05349346995353699, 0.08246349543333054, -0.0258312...
40,549
40,549
['Nir Ailon', 'Mehryar Mohri']
0710.2889v2
This paper describes an efficient reduction of the learning problem of ranking to binary classification. The reduction guarantees an average pairwise misranking regret of at most that of the binary classifier regret, improving a recent result of Balcan et al which only guarantees a factor of 2. Moreover, our reduction ...
An efficient reduction of ranking to classification
2,007
http://arxiv.org/pdf/0710.2889v2
Title efficient reduction ranking classification Summary paper describes efficient reduction learning problem ranking binary classification reduction guarantee average pairwise misranking regret binary classifier regret improving recent result Balcan et al guarantee factor 2 Moreover reduction applies broader class ran...
[-0.0024763764813542366, 0.030878223478794098, -0.01544097624719143, 0.027395382523536682, -0.005162136163562536, -0.013755304738879204, 0.0027574694249778986, 0.021947966888546944, 0.03966595232486725, -0.04275768995285034, -0.023283904418349266, 0.04110220819711685, -0.004983637016266584, 0.0005360005307011306, -0.04...
40,550
40,550
['Dev Rajnarayan', 'David Wolpert']
0810.0877v1
In this paper, we examine the CE method in the broad context of Monte Carlo Optimization (MCO) and Parametric Learning (PL), a type of machine learning. A well-known overarching principle used to improve the performance of many PL algorithms is the bias-variance tradeoff. This tradeoff has been used to improve PL algor...
Bias-Variance Techniques for Monte Carlo Optimization: Cross-validation for the CE Method
2,008
http://arxiv.org/pdf/0810.0877v1
Title BiasVariance Techniques Monte Carlo Optimization Crossvalidation CE Method Summary paper examine CE method broad context Monte Carlo Optimization MCO Parametric Learning PL type machine learning wellknown overarching principle used improve performance many PL algorithm biasvariance tradeoff tradeoff used improve ...
[-0.0180228129029274, -0.0007563043036498129, -0.023768780753016472, -0.011033621616661549, 0.019885364919900894, -0.01915842480957508, 0.03705586493015289, 0.038528140634298325, 0.012448343448340893, 0.005005483981221914, 0.008443606086075306, 0.045210957527160645, 0.04688160866498947, -0.04519105702638626, 0.00812187...
40,551
40,551
['Omar Mehanna', 'Ahmed Sultan', 'Hesham El Gamal']
0810.1430v1
We consider the design of cognitive Medium Access Control (MAC) protocols enabling an unlicensed (secondary) transmitter-receiver pair to communicate over the idle periods of a set of licensed channels, i.e., the primary network. The objective is to maximize data throughput while maintaining the synchronization between...
Blind Cognitive MAC Protocols
2,008
http://arxiv.org/pdf/0810.1430v1
Title Blind Cognitive MAC Protocols Summary consider design cognitive Medium Access Control MAC protocol enabling unlicensed secondary transmitterreceiver pair communicate idle period set licensed channel ie primary network objective maximize data throughput maintaining synchronization secondary user avoiding interfere...
[-0.04277150705456734, 0.011317020282149315, 0.009561115875840187, -0.048743076622486115, -0.05371557176113129, -0.022219672799110413, -0.02741030417382717, 0.0031638327054679394, 0.005328529514372349, -0.02505956031382084, -0.025606373324990273, 0.044697754085063934, -0.007434394210577011, 0.024592142552137375, -0.008...
40,552
40,552
['Nir Ailon']
0810.2764v1
The LETOR website contains three information retrieval datasets used as a benchmark for testing machine learning ideas for ranking. Algorithms participating in the challenge are required to assign score values to search results for a collection of queries, and are measured using standard IR ranking measures (NDCG, prec...
A Simple Linear Ranking Algorithm Using Query Dependent Intercept Variables
2,008
http://arxiv.org/pdf/0810.2764v1
Title Simple Linear Ranking Algorithm Using Query Dependent Intercept Variables Summary LETOR website contains three information retrieval datasets used benchmark testing machine learning idea ranking Algorithms participating challenge required assign score value search result collection query measured using standard I...
[0.015464811585843563, 0.04464423656463623, -0.031032683327794075, -0.01561696082353592, 0.022333424538373947, 0.01567869819700718, 0.014889342710375786, 0.0184719767421484, 0.06474267691373825, -0.06456004828214645, -0.015644965693354607, 0.03018501028418541, -0.008599051274359226, 0.0477600023150444, -0.0178104750812...
40,553
40,553
['Barbara Hammer', 'Alexander Hasenfuß', 'Fabrice Rossi']
0909.0638v1
Median clustering extends popular neural data analysis methods such as the self-organizing map or neural gas to general data structures given by a dissimilarity matrix only. This offers flexible and robust global data inspection methods which are particularly suited for a variety of data as occurs in biomedical domains...
Median topographic maps for biomedical data sets
2,009
http://arxiv.org/pdf/0909.0638v1
Title Median topographic map biomedical data set Summary Median clustering extends popular neural data analysis method selforganizing map neural gas general data structure given dissimilarity matrix offer flexible robust global data inspection method particularly suited variety data occurs biomedical domain chapter giv...
[-0.01303925458341837, -0.025741061195731163, -0.05598577484488487, 0.004705770406872034, 0.013110506348311901, 0.030037209391593933, 0.03153739497065544, 0.030976535752415657, 0.006725549232214689, 0.03527587279677391, 0.013210621662437916, -0.058681029826402664, 0.026022279635071754, -0.002915631514042616, 0.01512225...
40,554
40,554
['Laure Berti-Equille', 'Anish Das Sarma', 'Xin', 'Dong', 'Amelie Marian', 'Divesh Srivastava']
0909.1776v1
The Web has enabled the availability of a huge amount of useful information, but has also eased the ability to spread false information and rumors across multiple sources, making it hard to distinguish between what is true and what is not. Recent examples include the premature Steve Jobs obituary, the second bankruptcy...
Sailing the Information Ocean with Awareness of Currents: Discovery and Application of Source Dependence
2,009
http://arxiv.org/pdf/0909.1776v1
Title Sailing Information Ocean Awareness Currents Discovery Application Source Dependence Summary Web enabled availability huge amount useful information also eased ability spread false information rumor across multiple source making hard distinguish true Recent example include premature Steve Jobs obituary second ban...
[0.03068949282169342, 0.07921994477510452, -0.019842253997921944, -0.028879866003990173, -0.0487246997654438, -0.01633930578827858, 0.048578131943941116, 0.03289419785141945, 0.006658266298472881, -0.044955167919397354, 0.016412336379289627, 0.02467702142894268, 0.018943561241030693, 0.07999381422996521, -0.04091501608...
40,555
40,555
['Vitaly Feldman']
0909.2927v1
We consider the problem of boosting the accuracy of weak learning algorithms in the agnostic learning framework of Haussler (1992) and Kearns et al. (1992). Known algorithms for this problem (Ben-David et al., 2001; Gavinsky, 2002; Kalai et al., 2008) follow the same strategy as boosting algorithms in the PAC model: th...
Distribution-Specific Agnostic Boosting
2,009
http://arxiv.org/pdf/0909.2927v1
Title DistributionSpecific Agnostic Boosting Summary consider problem boosting accuracy weak learning algorithm agnostic learning framework Haussler 1992 Kearns et al 1992 Known algorithm problem BenDavid et al 2001 Gavinsky 2002 Kalai et al 2008 follow strategy boosting algorithm PAC model weak learner executed target...
[-0.05243123322725296, 0.05108794942498207, 0.0026477654464542866, -0.002771994797512889, -0.009207441471517086, -0.048029303550720215, -0.00439096475020051, 0.02857935056090355, -0.06683926284313202, -0.006493738386780024, 0.029804393649101257, 0.011956808157265186, 0.0057716709561645985, 0.07013380527496338, 0.009599...
40,556
40,556
['Prahladh Harsha', 'Adam Klivans', 'Raghu Meka']
0909.5175v4
We give the first non-trivial upper bounds on the average sensitivity and noise sensitivity of polynomial threshold functions. More specifically, for a Boolean function f on n variables equal to the sign of a real, multivariate polynomial of total degree d we prove 1) The average sensitivity of f is at most O(n^{1-1/...
Bounding the Sensitivity of Polynomial Threshold Functions
2,009
http://arxiv.org/pdf/0909.5175v4
Title Bounding Sensitivity Polynomial Threshold Functions Summary give first nontrivial upper bound average sensitivity noise sensitivity polynomial threshold function specifically Boolean function f n variable equal sign real multivariate polynomial total degree prove 1 average sensitivity f On114d6 also give combinat...
[-0.0954098254442215, 0.007409115321934223, -0.02328428626060486, 0.03325900807976723, 0.0005668032681569457, -0.026422793045639992, 0.0239508505910635, -0.014700226485729218, 0.016340024769306183, -0.0098295072093606, 0.026747964322566986, 0.04693956300616264, -0.02410968951880932, 0.06598447263240814, -0.026375308632...
40,557
40,557
['Natalia B. Janson', 'Christopher J. Marsden']
1107.0674v3
We propose an alternative approach to construct an artificial learning system, which naturally learns in an unsupervised manner. Its mathematical prototype is a dynamical system, which automatically shapes its vector field in response to the input signal. The vector field converges to a gradient of a multi-dimensional ...
"Memory foam" approach to unsupervised learning
2,011
http://arxiv.org/pdf/1107.0674v3
Title Memory foam approach unsupervised learning Summary propose alternative approach construct artificial learning system naturally learns unsupervised manner mathematical prototype dynamical system automatically shape vector field response input signal vector field converges gradient multidimensional probability dens...
[-0.04835788905620575, -0.0039457413367927074, -0.035873204469680786, -7.620686665177345e-05, -0.008316803723573685, -0.04124770313501358, 0.01951499655842781, -0.008734975010156631, -0.03990660235285759, 0.04339568316936493, -0.006893483456224203, 0.007636201102286577, -0.006929332390427589, 0.04931671917438507, 0.026...
40,558
40,558
['Shalev Ben-David', 'Lev Reyzin']
1107.2379v5
We consider the model introduced by Bilu and Linial (2010), who study problems for which the optimal clustering does not change when distances are perturbed. They show that even when a problem is NP-hard, it is sometimes possible to obtain efficient algorithms for instances resilient to certain multiplicative perturbat...
Data Stability in Clustering: A Closer Look
2,011
http://arxiv.org/pdf/1107.2379v5
Title Data Stability Clustering Closer Look Summary consider model introduced Bilu Linial 2010 study problem optimal clustering change distance perturbed show even problem NPhard sometimes possible obtain efficient algorithm instance resilient certain multiplicative perturbation eg order Osqrtn maxcut clustering Awasth...
[-0.06040188670158386, -0.010612626560032368, -0.033688731491565704, -0.017667856067419052, 0.004086358938366175, -0.03444294258952141, -0.007579537108540535, 0.019404662773013115, -0.01079876534640789, 0.0032477136701345444, 0.025861529633402824, 0.015340637415647507, -0.022591078653931618, 0.01096390001475811, -0.022...
40,559
40,559
['Moritz Hardt', 'Guy N. Rothblum', 'Rocco A. Servedio']
1107.2444v1
This work considers computationally efficient privacy-preserving data release. We study the task of analyzing a database containing sensitive information about individual participants. Given a set of statistical queries on the data, we want to release approximate answers to the queries while also guaranteeing different...
Private Data Release via Learning Thresholds
2,011
http://arxiv.org/pdf/1107.2444v1
Title Private Data Release via Learning Thresholds Summary work considers computationally efficient privacypreserving data release study task analyzing database containing sensitive information individual participant Given set statistical query data want release approximate answer query also guaranteeing differential p...
[-0.02293570153415203, 0.11268457025289536, -0.04038812592625618, 0.03342091292142868, -0.03727922961115837, -0.0418853722512722, 0.05555300787091255, -0.016690997406840324, 0.005520952399820089, 0.05024070292711258, 0.005215880926698446, 0.013172555714845657, -0.020722955465316772, 0.06755504012107849, -0.049378294497...
40,560
40,560
['Cem Tekin', 'Mingyan Liu']
1107.4042v3
In this paper we consider the problem of learning the optimal policy for uncontrolled restless bandit problems. In an uncontrolled restless bandit problem, there is a finite set of arms, each of which when pulled yields a positive reward. There is a player who sequentially selects one of the arms at each time step. The...
Optimal Adaptive Learning in Uncontrolled Restless Bandit Problems
2,011
http://arxiv.org/pdf/1107.4042v3
Title Optimal Adaptive Learning Uncontrolled Restless Bandit Problems Summary paper consider problem learning optimal policy uncontrolled restless bandit problem uncontrolled restless bandit problem finite set arm pulled yield positive reward player sequentially selects one arm time step goal player maximize undiscount...
[-0.018138518556952477, 0.01950143836438656, -0.00023229478392750025, -0.04689545929431915, 0.009580551646649837, 0.00302061066031456, -0.02586354687809944, 0.030193006619811058, -0.024679509922862053, -0.01024720724672079, 0.009138932451605797, 0.040470190346241, -0.06576757878065109, -0.0034520747140049934, 0.0032911...
40,561
40,561
['Cem Tekin', 'Mingyan Liu']
1107.4153v1
We study the problem of allocating multiple users to a set of wireless channels in a decentralized manner when the channel quali- ties are time-varying and unknown to the users, and accessing the same channel by multiple users leads to reduced quality due to interference. In such a setting the users not only need to le...
Performance and Convergence of Multi-user Online Learning
2,011
http://arxiv.org/pdf/1107.4153v1
Title Performance Convergence Multiuser Online Learning Summary study problem allocating multiple user set wireless channel decentralized manner channel quali tie timevarying unknown user accessing channel multiple user lead reduced quality due interference setting user need learn inherent channel quality time best all...
[0.006412604358047247, -0.00685839680954814, -0.018063856288790703, -0.05273253470659256, -0.02940223552286625, -0.027210433036088943, 0.052487507462501526, -0.031595148146152496, -0.03633590415120125, -0.018512319773435593, -0.0009975646389648318, 0.02545742690563202, -0.023026078939437866, 0.0005301390192471445, -0.0...
40,562
40,562
['Bin Yang', 'Manohar Kaul', 'Christian S. Jensen']
1308.0484v2
We are witnessing increasing interests in the effective use of road networks. For example, to enable effective vehicle routing, weighted-graph models of transportation networks are used, where the weight of an edge captures some cost associated with traversing the edge, e.g., greenhouse gas (GHG) emissions or travel ti...
Using Incomplete Information for Complete Weight Annotation of Road Networks -- Extended Version
2,013
http://arxiv.org/pdf/1308.0484v2
Title Using Incomplete Information Complete Weight Annotation Road Networks Extended Version Summary witnessing increasing interest effective use road network example enable effective vehicle routing weightedgraph model transportation network used weight edge capture cost associated traversing edge eg greenhouse gas GH...
[0.000518434215337038, 0.07075861841440201, -0.027200251817703247, 0.006896170321851969, -0.020292436704039574, -0.027530454099178314, 0.03619689494371414, 0.0022630393505096436, -0.02496631257236004, -0.04408511519432068, 0.10394570231437683, 0.04095079377293587, -0.008358469232916832, 0.057944077998399734, 0.02893115...
40,563
40,563
['Ibrahim Sabek', 'Moustafa Youssef']
1308.0768v1
Device-free (DF) localization is an emerging technology that allows the detection and tracking of entities that do not carry any devices nor participate actively in the localization process. Typically, DF systems require a large number of transmitters and receivers to achieve acceptable accuracy, which is not available...
MonoStream: A Minimal-Hardware High Accuracy Device-free WLAN Localization System
2,013
http://arxiv.org/pdf/1308.0768v1
Title MonoStream MinimalHardware High Accuracy Devicefree WLAN Localization System Summary Devicefree DF localization emerging technology allows detection tracking entity carry device participate actively localization process Typically DF system require large number transmitter receiver achieve acceptable accuracy avai...
[-0.01658228039741516, -0.03223137557506561, 0.02454759180545807, -0.05127699300646782, -0.04538963362574577, 0.0006878644344396889, 0.06296417862176895, -0.02067403867840767, -0.00982116349041462, -0.027491485700011253, 0.04349096119403839, 0.019006837159395218, 0.0335182324051857, 0.0243130624294281, 0.00587384495884...
40,564
40,564
['Jeff Shrager']
1308.1066v1
Adaptive trials are now mainstream science. Recently, researchers have taken the adaptive trial concept to its natural conclusion, proposing what we call "Global Cumulative Treatment Analysis" (GCTA). Similar to the adaptive trial, decision making and data collection and analysis in the GCTA are continuous and integrat...
Theoretical Issues for Global Cumulative Treatment Analysis (GCTA)
2,013
http://arxiv.org/pdf/1308.1066v1
Title Theoretical Issues Global Cumulative Treatment Analysis GCTA Summary Adaptive trial mainstream science Recently researcher taken adaptive trial concept natural conclusion proposing call Global Cumulative Treatment Analysis GCTA Similar adaptive trial decision making data collection analysis GCTA continuous integr...
[0.04693889990448952, 0.02756294049322605, -0.019078847020864487, -0.08170562237501144, 0.01304059661924839, 0.015563363209366798, 0.05977760627865791, 0.010161353275179863, 0.014978239312767982, 0.013356964103877544, 0.05380336195230484, -0.03362307697534561, -0.03318587318062782, 0.0481780543923378, 0.006251569371670...
40,565
40,565
['Michal Aharon', 'Natalie Aizenberg', 'Edward Bortnikov', 'Ronny Lempel', 'Roi Adadi', 'Tomer Benyamini', 'Liron Levin', 'Ran Roth', 'Ohad Serfaty']
1308.1792v1
One of the most challenging recommendation tasks is recommending to a new, previously unseen user. This is known as the 'user cold start' problem. Assuming certain features or attributes of users are known, one approach for handling new users is to initially model them based on their features. Motivated by an ad targ...
OFF-Set: One-pass Factorization of Feature Sets for Online Recommendation in Persistent Cold Start Settings
2,013
http://arxiv.org/pdf/1308.1792v1
Title OFFSet Onepass Factorization Feature Sets Online Recommendation Persistent Cold Start Settings Summary One challenging recommendation task recommending new previously unseen user known user cold start problem Assuming certain feature attribute user known one approach handling new user initially model based featur...
[0.034689273685216904, 0.02178322896361351, -0.0010926139075309038, -0.03879596292972565, 0.02728884108364582, -0.01162137370556593, 0.03814912587404251, -0.01717694103717804, -0.0034535792656242847, -0.03243696317076683, -0.02262166514992714, -0.03502653166651726, -0.01970280520617962, 0.12635721266269684, -0.02539772...
40,566
40,566
['Andrew R. Cohen', 'P. M. B. Vitanyi']
1308.3177v1
Normalized Google distance (NGD) is a relative semantic distance based on the World Wide Web (or any other large electronic database, for instance Wikipedia) and a search engine that returns aggregate page counts. The earlier NGD between pairs of search terms (including phrases) is not sufficient for all applications. ...
Normalized Google Distance of Multisets with Applications
2,013
http://arxiv.org/pdf/1308.3177v1
Title Normalized Google Distance Multisets Applications Summary Normalized Google distance NGD relative semantic distance based World Wide Web large electronic database instance Wikipedia search engine return aggregate page count earlier NGD pair search term including phrase sufficient application propose NGD finite mu...
[-0.003526699496433139, 0.04202672839164734, -0.03809216991066933, 0.009240356273949146, -0.06527110189199448, -0.03365016728639603, 0.0502312034368515, 0.05385586619377136, -0.025409352034330368, -0.03801482915878296, 0.0431826077401638, 0.004843812435865402, -0.0034119109623134136, 0.0006025460315868258, -0.005618500...
40,567
40,567
['Leon Wenliang Zhong', 'James T. Kwok']
1308.3558v1
In this paper, we propose a new stochastic alternating direction method of multipliers (ADMM) algorithm, which incrementally approximates the full gradient in the linearized ADMM formulation. Besides having a low per-iteration complexity as existing stochastic ADMM algorithms, the proposed algorithm improves the conver...
Fast Stochastic Alternating Direction Method of Multipliers
2,013
http://arxiv.org/pdf/1308.3558v1
Title Fast Stochastic Alternating Direction Method Multipliers Summary paper propose new stochastic alternating direction method multiplier ADMM algorithm incrementally approximates full gradient linearized ADMM formulation Besides low periteration complexity existing stochastic ADMM algorithm proposed algorithm improv...
[-0.027536818757653236, 0.021112872287631035, 0.014197850599884987, -0.025315653532743454, 0.01824192702770233, -0.013817127794027328, -0.012790792621672153, -0.04342789575457573, -0.00833034235984087, 0.02939675562083721, 0.015454246662557125, -0.0493474081158638, 0.0063592735677957535, -0.015756849199533463, 0.017452...
40,568
40,568
['Lingsong Zhang', 'J. S. Marron', 'Shu Lu']
1308.4206v2
Motivated by the analysis of nonnegative data objects, a novel Nested Nonnegative Cone Analysis (NNCA) approach is proposed to overcome some drawbacks of existing methods. The application of traditional PCA/SVD method to nonnegative data often cause the approximation matrix leave the nonnegative cone, which leads to no...
Nested Nonnegative Cone Analysis
2,013
http://arxiv.org/pdf/1308.4206v2
Title Nested Nonnegative Cone Analysis Summary Motivated analysis nonnegative data object novel Nested Nonnegative Cone Analysis NNCA approach proposed overcome drawback existing method application traditional PCASVD method nonnegative data often cause approximation matrix leave nonnegative cone lead noninterpretable s...
[-0.05849961191415787, 0.017573051154613495, -0.042856231331825256, 0.06267349421977997, 0.014103725552558899, -0.013568051159381866, 0.02988782338798046, 0.00764035526663065, -0.06103413924574852, 0.010937811806797981, -0.014731330797076225, -0.022790422663092613, 0.013705614022910595, 0.008993546478450298, -0.0188197...
40,569
40,569
['Cem Tekin', 'Mihaela van der Schaar']
1308.4565v2
Distributed, online data mining systems have emerged as a result of applications requiring analysis of large amounts of correlated and high-dimensional data produced by multiple distributed data sources. We propose a distributed online data classification framework where data is gathered by distributed data sources and...
Decentralized Online Big Data Classification - a Bandit Framework
2,013
http://arxiv.org/pdf/1308.4565v2
Title Decentralized Online Big Data Classification Bandit Framework Summary Distributed online data mining system emerged result application requiring analysis large amount correlated highdimensional data produced multiple distributed data source propose distributed online data classification framework data gathered di...
[-0.0075630908831954, 0.06978728622198105, -0.02203996852040291, -0.02756408415734768, -0.005289183463901281, 0.018340175971388817, 0.056203391402959824, 0.004971372429281473, 0.03965851664543152, -0.008860891684889793, -0.002129702130332589, 0.011426125653088093, -0.015925724059343338, 0.061156757175922394, 0.00370151...
40,570
40,570
['Babajide Afolabi', 'Odile Thiery']
cs/0610158v1
In this paper, our aim is to propose a model that helps in the efficient use of an information system by users, within the organization represented by the IS, in order to resolve their decisional problems. In other words we want to aid the user within an organization in obtaining the information that corresponds to his...
Considering users' behaviours in improving the responses of an information base
2,006
http://arxiv.org/pdf/cs/0610158v1
Title Considering user behaviour improving response information base Summary paper aim propose model help efficient use information system user within organization represented order resolve decisional problem word want aid user within organization obtaining information corresponds need informational need result decisio...
[0.06504572927951813, 0.0073564606718719006, -0.031579870730638504, -0.010160064324736595, -0.036304011940956116, -0.025208383798599243, 0.018278708681464195, 0.041172094643116, 0.002647529589012265, -0.05120033770799637, 0.005361950024962425, 0.04227329045534134, -0.02037172205746174, 0.05993805453181267, -0.027524830...
40,571
40,571
['David N. Levin']
cs/0612096v1
Given a time series of multicomponent measurements of an evolving stimulus, nonlinear blind source separation (BSS) seeks to find a "source" time series, comprised of statistically independent combinations of the measured components. In this paper, we seek a source time series with local velocity cross correlations tha...
Using state space differential geometry for nonlinear blind source separation
2,006
http://arxiv.org/pdf/cs/0612096v1
Title Using state space differential geometry nonlinear blind source separation Summary Given time series multicomponent measurement evolving stimulus nonlinear blind source separation BSS seek find source time series comprised statistically independent combination measured component paper seek source time series local...
[-0.03268766775727272, 0.045038748532533646, -0.006858861539512873, 0.03298724442720413, -0.025362053886055946, -0.01331263780593872, 0.03528734669089317, 0.050268203020095825, -0.00559951039031148, 0.004279153887182474, 0.006765918806195259, 0.029945822432637215, 0.031724851578474045, 0.04351959750056267, 0.0028108351...
40,572
40,572
['Masahiro Urakami', 'Seiji Miyoshi', 'Masato Okada']
cs/0612117v1
In the framework of on-line learning, a learning machine might move around a teacher due to the differences in structures or output functions between the teacher and the learning machine. In this paper we analyze the generalization performance of a new student supervised by a moving machine. A model composed of a fixed...
Statistical Mechanics of On-line Learning when a Moving Teacher Goes around an Unlearnable True Teacher
2,006
http://arxiv.org/pdf/cs/0612117v1
Title Statistical Mechanics Online Learning Moving Teacher Goes around Unlearnable True Teacher Summary framework online learning learning machine might move around teacher due difference structure output function teacher learning machine paper analyze generalization performance new student supervised moving machine mo...
[0.03822742775082588, -0.0021037845872342587, -0.03751002624630928, -0.017100714147090912, 0.0017674722475931048, -0.0015050717629492283, 0.027496034279465675, -0.03138023242354393, -0.07028447091579437, -0.006017658859491348, 0.08260170370340347, 0.03726232051849365, -0.01099121943116188, 0.04348098486661911, 0.011345...
40,573
40,573
['Bart Kuijpers', 'Vanessa Lemmens', 'Bart Moelans', 'Karl Tuyls']
0803.1555v1
We consider privacy preserving decision tree induction via ID3 in the case where the training data is horizontally or vertically distributed. Furthermore, we consider the same problem in the case where the data is both horizontally and vertically distributed, a situation we refer to as grid partitioned data. We give an...
Privacy Preserving ID3 over Horizontally, Vertically and Grid Partitioned Data
2,008
http://arxiv.org/pdf/0803.1555v1
Title Privacy Preserving ID3 Horizontally Vertically Grid Partitioned Data Summary consider privacy preserving decision tree induction via ID3 case training data horizontally vertically distributed Furthermore consider problem case data horizontally vertically distributed situation refer grid partitioned data give algo...
[-0.02186938188970089, 0.06465274840593338, -0.023896807804703712, 0.007932971231639385, -0.04124712198972702, -0.013055076822638512, 0.034486278891563416, -0.027087276801466942, 0.06703199446201324, 0.026384925469756126, -0.01684005744755268, 0.03257887810468674, 0.03094588965177536, 0.004504091572016478, -0.048734888...
40,574
40,574
['Stefanie Jegelka', 'Suvrit Sra', 'Arindam Banerjee']
0812.0389v4
In the past few years powerful generalizations to the Euclidean k-means problem have been made, such as Bregman clustering [7], co-clustering (i.e., simultaneous clustering of rows and columns of an input matrix) [9,18], and tensor clustering [8,34]. Like k-means, these more general problems also suffer from the NP-har...
Approximation Algorithms for Bregman Co-clustering and Tensor Clustering
2,008
http://arxiv.org/pdf/0812.0389v4
Title Approximation Algorithms Bregman Coclustering Tensor Clustering Summary past year powerful generalization Euclidean kmeans problem made Bregman clustering 7 coclustering ie simultaneous clustering row column input matrix 918 tensor clustering 834 Like kmeans general problem also suffer NPhardness associated optim...
[-0.04563336446881294, -0.0635950043797493, -0.030383793637156487, 0.036995917558670044, -0.055590786039829254, 0.03852684795856476, 0.05106087774038315, 0.05158771201968193, 0.04719838500022888, 0.004513761028647423, 0.01976138725876808, -0.04889467731118202, -0.004500410985201597, 0.007881284691393375, -0.01473907567...
40,575
40,575
['Adam Tauman Kalai', 'Shang-Hua Teng']
0812.0933v1
We consider the problem of PAC-learning decision trees, i.e., learning a decision tree over the n-dimensional hypercube from independent random labeled examples. Despite significant effort, no polynomial-time algorithm is known for learning polynomial-sized decision trees (even trees of any super-constant size), even w...
Decision trees are PAC-learnable from most product distributions: a smoothed analysis
2,008
http://arxiv.org/pdf/0812.0933v1
Title Decision tree PAClearnable product distribution smoothed analysis Summary consider problem PAClearning decision tree ie learning decision tree ndimensional hypercube independent random labeled example Despite significant effort polynomialtime algorithm known learning polynomialsized decision tree even tree superc...
[-0.021885311231017113, -0.020260335877537727, -0.02572735957801342, 0.020465144887566566, -0.011316363699734211, -0.043275292962789536, -0.007310749031603336, 0.0009893638780340552, -0.05204666405916214, -0.025379491969943047, 0.06287685036659241, 0.028670815750956535, 0.025390159338712692, 0.022948650643229485, -0.01...
40,576
40,576
['Alaa Abi-Haidar', 'Jasleen Kaur', 'Ana G. Maguitman', 'Predrag Radivojac', 'Andreas Retchsteiner', 'Karin Verspoor', 'Zhiping Wang', 'Luis M. Rocha']
0812.1029v1
We participated in three of the protein-protein interaction subtasks of the Second BioCreative Challenge: classification of abstracts relevant for protein-protein interaction (IAS), discovery of protein pairs (IPS) and text passages characterizing protein interaction (ISS) in full text documents. We approached the abst...
Uncovering protein interaction in abstracts and text using a novel linear model and word proximity networks
2,008
http://arxiv.org/pdf/0812.1029v1
Title Uncovering protein interaction abstract text using novel linear model word proximity network Summary participated three proteinprotein interaction subtasks Second BioCreative Challenge classification abstract relevant proteinprotein interaction IAS discovery protein pair IPS text passage characterizing protein in...
[0.05675117298960686, 0.002017195336520672, 0.0034536204766482115, -0.00861004926264286, -0.03156363591551781, -0.007500193081796169, 0.016156036406755447, 0.032721661031246185, 0.04132937639951706, -0.04392758756875992, -0.00853084959089756, 0.02153579704463482, 0.059303492307662964, 0.08648006618022919, -0.0163223929...
40,577
40,577
['Fangwen Fu', 'Mihaela van der Schaar']
0812.1244v1
In this paper, we propose a general cross-layer optimization framework in which we explicitly consider both the heterogeneous and dynamically changing characteristics of delay-sensitive applications and the underlying time-varying network conditions. We consider both the independently decodable data units (DUs, e.g. pa...
Decomposition Principles and Online Learning in Cross-Layer Optimization for Delay-Sensitive Applications
2,008
http://arxiv.org/pdf/0812.1244v1
Title Decomposition Principles Online Learning CrossLayer Optimization DelaySensitive Applications Summary paper propose general crosslayer optimization framework explicitly consider heterogeneous dynamically changing characteristic delaysensitive application underlying timevarying network condition consider independen...
[-0.03431332856416702, -0.010286958888173103, -0.041254714131355286, -0.017111582681536674, -0.03525286167860031, -0.03422529250383377, 0.04044858366250992, 0.004746971186250448, -0.015864964574575424, -0.0011924250284209847, 0.035946257412433624, 0.02861829288303852, -0.004508437588810921, 0.04083919897675514, -0.0272...
40,578
40,578
['Erik M. Boczko', 'Todd Young', 'Minhui Zie', 'Di Wu']
0812.3147v1
We investigate the performance of a simple signed distance function (SDF) based method by direct comparison with standard SVM packages, as well as K-nearest neighbor and RBFN methods. We present experimental results comparing the SDF approach with other classifiers on both synthetic geometric problems and five benchmar...
Comparison of Binary Classification Based on Signed Distance Functions with Support Vector Machines
2,008
http://arxiv.org/pdf/0812.3147v1
Title Comparison Binary Classification Based Signed Distance Functions Support Vector Machines Summary investigate performance simple signed distance function SDF based method direct comparison standard SVM package well Knearest neighbor RBFN method present experimental result comparing SDF approach classifier syntheti...
[-0.004720108583569527, -0.047239091247320175, -0.026977790519595146, -0.026590265333652496, -0.013421121053397655, 0.009956044144928455, 0.09744065254926682, 0.059920988976955414, 0.05282741039991379, 0.0209205225110054, 0.07673874497413635, -0.0033408498857170343, 0.05467444285750389, 0.05597274750471115, -0.02365633...
40,579
40,579
['Dmitry Gavinsky']
0812.3429v3
We define a new model of quantum learning that we call Predictive Quantum (PQ). This is a quantum analogue of PAC, where during the testing phase the student is only required to answer a polynomial number of testing queries. We demonstrate a relational concept class that is efficiently learnable in PQ, while in any "...
Quantum Predictive Learning and Communication Complexity with Single Input
2,008
http://arxiv.org/pdf/0812.3429v3
Title Quantum Predictive Learning Communication Complexity Single Input Summary define new model quantum learning call Predictive Quantum PQ quantum analogue PAC testing phase student required answer polynomial number testing query demonstrate relational concept class efficiently learnable PQ reasonable classical model...
[-0.007448494900017977, 0.0799742043018341, -0.023016447201371193, 0.02546311914920807, -0.056692346930503845, -0.018815843388438225, -0.02638181857764721, 0.04658270254731178, 0.01739286072552204, -0.00336903496645391, 0.01261874195188284, -0.0198733638972044, -0.011286262422800064, 0.061075083911418915, 0.00632263068...
40,580
40,580
['Ke Zhang', 'Marcus Hutter', 'Huidong Jin']
0903.3257v1
Detecting outliers which are grossly different from or inconsistent with the remaining dataset is a major challenge in real-world KDD applications. Existing outlier detection methods are ineffective on scattered real-world datasets due to implicit data patterns and parameter setting issues. We define a novel "Local Dis...
A New Local Distance-Based Outlier Detection Approach for Scattered Real-World Data
2,009
http://arxiv.org/pdf/0903.3257v1
Title New Local DistanceBased Outlier Detection Approach Scattered RealWorld Data Summary Detecting outlier grossly different inconsistent remaining dataset major challenge realworld KDD application Existing outlier detection method ineffective scattered realworld datasets due implicit data pattern parameter setting is...
[-0.0020571411587297916, -0.027081776410341263, -0.025228314101696014, 0.03515364229679108, -0.03641258552670479, 0.0019385142950341105, 0.028102371841669083, 0.012422272004187107, -0.04271591082215309, 0.04300258681178093, 0.055509358644485474, 0.05129341036081314, 0.012499885633587837, 0.0433410219848156, -0.03508280...
40,581
40,581
['Thomas Bréhard', 'Emmanuel Duflos', 'Philippe Vanheeghe', 'Pierre-Arnaud Coquelin']
0903.3329v1
This paper introduces a new approach to solve sensor management problems. Classically sensor management problems can be well formalized as Partially-Observed Markov Decision Processes (POMPD). The original approach developped here consists in deriving the optimal parameterized policy based on a stochastic gradient esti...
Optimal Policies Search for Sensor Management
2,009
http://arxiv.org/pdf/0903.3329v1
Title Optimal Policies Search Sensor Management Summary paper introduces new approach solve sensor management problem Classically sensor management problem well formalized PartiallyObserved Markov Decision Processes POMPD original approach developped consists deriving optimal parameterized policy based stochastic gradi...
[-0.004011965822428465, 0.020912781357765198, 0.009859351441264153, -0.03279445692896843, 0.017989538609981537, -0.012120665982365608, 0.06442099064588547, -0.053652361035346985, -0.002512391423806548, -0.011414512060582638, 0.034598637372255325, 0.04922235757112503, 0.004305312409996986, 0.019498711451888084, -0.03124...
40,582
40,582
['Yusuke Watanabe', 'Kenji Fukumizu']
0903.4527v2
The Bethe approximation, or loopy belief propagation algorithm is a successful method for approximating partition functions of probabilistic models associated with a graph. Chertkov and Chernyak derived an interesting formula called Loop Series Expansion, which is an expansion of the partition function. The main term o...
Graph polynomials and approximation of partition functions with Loopy Belief Propagation
2,009
http://arxiv.org/pdf/0903.4527v2
Title Graph polynomial approximation partition function Loopy Belief Propagation Summary Bethe approximation loopy belief propagation algorithm successful method approximating partition function probabilistic model associated graph Chertkov Chernyak derived interesting formula called Loop Series Expansion expansion par...
[-0.0672140121459961, -0.0003894760156981647, 1.8580265077616787e-06, 0.018500754609704018, -0.04627486318349838, -0.03394502401351929, -0.005249932873994112, -0.08961576968431473, 0.09308241307735443, 0.025672605261206627, 0.06450536102056503, 0.003210430033504963, -0.0008278469904325902, 0.08980850875377655, 0.001037...
40,583
40,583
['Daiki Koizumi', 'Toshiyasu Matsushima', 'Shigeichi Hirasawa']
0906.3923v4
Traffic forecasting from past observed traffic data with small calculation complexity is one of important problems for planning of servers and networks. Focusing on World Wide Web (WWW) traffic as fundamental investigation, this paper would deal with Bayesian forecasting of network traffic on the time varying Poisson m...
Bayesian Forecasting of WWW Traffic on the Time Varying Poisson Model
2,009
http://arxiv.org/pdf/0906.3923v4
Title Bayesian Forecasting WWW Traffic Time Varying Poisson Model Summary Traffic forecasting past observed traffic data small calculation complexity one important problem planning server network Focusing World Wide Web WWW traffic fundamental investigation paper would deal Bayesian forecasting network traffic time var...
[0.015096246264874935, -0.011536497622728348, -0.046419329941272736, -0.04279458895325661, -0.07753831148147583, -0.020055068656802177, 0.02243761718273163, -0.021788857877254486, -0.023257344961166382, -0.05591873824596405, 0.02656463533639908, -0.06583771854639053, -0.0016926690004765987, 0.08179090172052383, -0.0092...
40,584
40,584
['Anjana Pandey', 'K. R. Pardasani']
0906.4172v1
In this paper, the mining of hybrid association rules with rough set approach is investigated as the algorithm RSHAR.The RSHAR algorithm is constituted of two steps mainly. At first, to join the participant tables into a general table to generate the rules which is expressing the relationship between two or more domain...
Rough Set Model for Discovering Hybrid Association Rules
2,009
http://arxiv.org/pdf/0906.4172v1
Title Rough Set Model Discovering Hybrid Association Rules Summary paper mining hybrid association rule rough set approach investigated algorithm RSHARThe RSHAR algorithm constituted two step mainly first join participant table general table generate rule expressing relationship two domain belong several different tabl...
[-0.017824845388531685, -0.03582732751965523, -0.06261902302503586, 0.01001622062176466, -0.014077071100473404, -0.016911715269088745, -0.033608876168727875, 0.04516800493001938, 0.013008534908294678, 0.0033757470082491636, 0.020963769406080246, -0.0077780550345778465, 0.005536691285669804, 0.051231108605861664, -0.047...
40,585
40,585
['Michael W. Mahoney', 'Hariharan Narayanan']
0906.4539v2
Two ubiquitous aspects of large-scale data analysis are that the data often have heavy-tailed properties and that diffusion-based or spectral-based methods are often used to identify and extract structure of interest. Perhaps surprisingly, popular distribution-independent methods such as those based on the VC dimension...
Learning with Spectral Kernels and Heavy-Tailed Data
2,009
http://arxiv.org/pdf/0906.4539v2
Title Learning Spectral Kernels HeavyTailed Data Summary Two ubiquitous aspect largescale data analysis data often heavytailed property diffusionbased spectralbased method often used identify extract structure interest Perhaps surprisingly popular distributionindependent method based VC dimension fail provide nontrivia...
[-0.01529476698487997, -0.020869920030236244, -0.026234326884150505, 0.0217269416898489, -0.01323604118078947, -0.01262324582785368, -0.003040436888113618, 0.01090823020786047, 0.016808170825242996, 0.01965317316353321, 0.024234110489487648, 0.005948793608695269, 0.011132503859698772, 0.0354897640645504, 0.000489734869...
40,586
40,586
['Susmit Jha']
0906.5110v1
Security protocols often use randomization to achieve probabilistic non-determinism. This non-determinism, in turn, is used in obfuscating the dependence of observable values on secret data. Since the correctness of security protocols is very important, formal analysis of security protocols has been widely studied in l...
Statistical Analysis of Privacy and Anonymity Guarantees in Randomized Security Protocol Implementations
2,009
http://arxiv.org/pdf/0906.5110v1
Title Statistical Analysis Privacy Anonymity Guarantees Randomized Security Protocol Implementations Summary Security protocol often use randomization achieve probabilistic nondeterminism nondeterminism turn used obfuscating dependence observable value secret data Since correctness security protocol important formal an...
[0.03760193660855293, 0.05400317534804344, 0.01567978784441948, 0.02113720029592514, -0.0974990725517273, -0.07174403220415115, 0.07942143827676773, -0.009884009137749672, -0.0013513421872630715, -0.006680652499198914, 0.04271978139877319, 0.04769531637430191, 0.05991615727543831, 0.058318931609392166, 0.00472458777949...
40,587
40,587
['Nicholas Mastronarde', 'Mihaela van der Schaar']
0906.5325v1
In our previous work, we proposed a systematic cross-layer framework for dynamic multimedia systems, which allows each layer to make autonomous and foresighted decisions that maximize the system's long-term performance, while meeting the application's real-time delay constraints. The proposed solution solved the cross-...
Online Reinforcement Learning for Dynamic Multimedia Systems
2,009
http://arxiv.org/pdf/0906.5325v1
Title Online Reinforcement Learning Dynamic Multimedia Systems Summary previous work proposed systematic crosslayer framework dynamic multimedia system allows layer make autonomous foresighted decision maximize system longterm performance meeting application realtime delay constraint proposed solution solved crosslayer...
[0.019158542156219482, -0.031203465536236763, -0.023693520575761795, -0.029850810766220093, -0.010953031480312347, -0.017850598320364952, 0.044847168028354645, 0.012045525945723057, -0.06280073523521423, -0.03129338473081589, -0.016614306718111038, 0.01629253290593624, -0.010995802469551563, 0.06079670041799545, 0.0104...
40,588
40,588
['Mikhail Belkin', 'Kaushik Sinha']
0907.1054v2
In this paper we present a method for learning the parameters of a mixture of $k$ identical spherical Gaussians in $n$-dimensional space with an arbitrarily small separation between the components. Our algorithm is polynomial in all parameters other than $k$. The algorithm is based on an appropriate grid search over th...
Learning Gaussian Mixtures with Arbitrary Separation
2,009
http://arxiv.org/pdf/0907.1054v2
Title Learning Gaussian Mixtures Arbitrary Separation Summary paper present method learning parameter mixture k identical spherical Gaussians ndimensional space arbitrarily small separation component algorithm polynomial parameter k algorithm based appropriate grid search space parameter theoretical analysis algorithm ...
[-0.009492437355220318, 0.002892538206651807, -0.013830075040459633, 0.05537648871541023, 0.007328925654292107, -0.004724267870187759, 0.030971813946962357, 0.014210057444870472, -0.026026485487818718, 0.028949648141860962, 0.013553285971283913, -0.0219118595123291, 0.017657479271292686, 0.015026496723294258, -0.005476...
40,589
40,589
['Olivier Bournez', 'Johanne Cohen']
0907.1916v1
We consider a class of fully stochastic and fully distributed algorithms, that we prove to learn equilibria in games. Indeed, we consider a family of stochastic distributed dynamics that we prove to converge weakly (in the sense of weak convergence for probabilistic processes) towards their mean-field limit, i.e an o...
Learning Equilibria in Games by Stochastic Distributed Algorithms
2,009
http://arxiv.org/pdf/0907.1916v1
Title Learning Equilibria Games Stochastic Distributed Algorithms Summary consider class fully stochastic fully distributed algorithm prove learn equilibrium game Indeed consider family stochastic distributed dynamic prove converge weakly sense weak convergence probabilistic process towards meanfield limit ie ordinary ...
[-0.0017748619429767132, 0.033690471202135086, -0.04115977883338928, -0.015719696879386902, -0.04115026071667671, -0.035663992166519165, -0.009805106557905674, -0.008123403415083885, -0.03405008465051651, 0.046093255281448364, 0.013781813904643059, -0.019432177767157555, -0.020313270390033722, 0.05026637390255928, 0.00...
40,590
40,590
['Dilip Krishnaswamy', 'Shanyu Zhao']
0907.2222v1
This paper suggests the use of intelligent network-aware processing agents in wireless local area network drivers to generate metrics for bandwidth estimation based on real-time channel statistics to enable wireless multimedia application adaptation. Various configurations in the wireless digital home are studied and t...
Network-aware Adaptation with Real-Time Channel Statistics for Wireless LAN Multimedia Transmissions in the Digital Home
2,009
http://arxiv.org/pdf/0907.2222v1
Title Networkaware Adaptation RealTime Channel Statistics Wireless LAN Multimedia Transmissions Digital Home Summary paper suggests use intelligent networkaware processing agent wireless local area network driver generate metric bandwidth estimation based realtime channel statistic enable wireless multimedia applicatio...
[-0.014558868482708931, -0.022290294989943504, -0.021463194862008095, -0.029481446370482445, -0.04680358245968819, 0.0014375123428180814, 0.009441381320357323, 0.016647551208734512, -0.11258663982152939, -0.06664770096540451, -0.018090946599841118, 0.014460238628089428, 0.014184718951582909, 0.011695180088281631, -0.01...
40,591
40,591
['Aleksandrs Slivkins']
0907.3986v5
In a multi-armed bandit (MAB) problem, an online algorithm makes a sequence of choices. In each round it chooses from a time-invariant set of alternatives and receives the payoff associated with this alternative. While the case of small strategy sets is by now well-understood, a lot of recent work has focused on MAB pr...
Contextual Bandits with Similarity Information
2,009
http://arxiv.org/pdf/0907.3986v5
Title Contextual Bandits Similarity Information Summary multiarmed bandit MAB problem online algorithm make sequence choice round chooses timeinvariant set alternative receives payoff associated alternative case small strategy set wellunderstood lot recent work focused MAB problem exponentially infinitely large strateg...
[-0.003646060125902295, 0.05602133646607399, -0.029970219358801842, 0.0022792676463723183, -0.05265825614333153, -0.012222242541611195, 0.059779874980449677, 0.03904580697417259, -0.031126180663704872, -0.026701753959059715, -0.01191089116036892, 0.01484981644898653, -0.03912053257226944, 0.0311236921697855, 0.01133265...
40,592
40,592
['Adhistya Erna Permanasari', 'Dayang Rohaya Awang Rambli', 'Dhanapal Durai Dominic']
0910.0820v2
Zoonosis refers to the transmission of infectious diseases from animal to human. The increasing number of zoonosis incidence makes the great losses to lives, including humans and animals, and also the impact in social economic. It motivates development of a system that can predict the future number of zoonosis occurren...
Prediction of Zoonosis Incidence in Human using Seasonal Auto Regressive Integrated Moving Average (SARIMA)
2,009
http://arxiv.org/pdf/0910.0820v2
Title Prediction Zoonosis Incidence Human using Seasonal Auto Regressive Integrated Moving Average SARIMA Summary Zoonosis refers transmission infectious disease animal human increasing number zoonosis incidence make great loss life including human animal also impact social economic motivates development system predict...
[5.425167182693258e-05, 0.03215879201889038, -0.022759003564715385, -0.05324310436844826, 0.027129273861646652, -0.006991364061832428, 0.04751018434762955, -0.007590348366647959, 0.03183417022228241, 0.0034877455327659845, 0.032336413860321045, -0.015062850899994373, 0.02476087585091591, 0.09344718605279922, -0.0233275...
40,593
40,593
['Raghunandan H. Keshavan', 'Andrea Montanari', 'Sewoong Oh']
0910.0921v2
We consider a problem of significant practical importance, namely, the reconstruction of a low-rank data matrix from a small subset of its entries. This problem appears in many areas such as collaborative filtering, computer vision and wireless sensor networks. In this paper, we focus on the matrix completion problem i...
Low-rank Matrix Completion with Noisy Observations: a Quantitative Comparison
2,009
http://arxiv.org/pdf/0910.0921v2
Title Lowrank Matrix Completion Noisy Observations Quantitative Comparison Summary consider problem significant practical importance namely reconstruction lowrank data matrix small subset entry problem appears many area collaborative filtering computer vision wireless sensor network paper focus matrix completion proble...
[-0.010159709490835667, 0.03778974711894989, 0.006451854482293129, 0.0054736873134970665, 9.295624477090314e-05, -0.014220255427062511, -0.030436091125011444, 0.03407227620482445, 0.012284649536013603, 0.029040003195405006, 0.0324060320854187, 0.031044401228427887, 0.05703485757112503, -0.008886492811143398, 0.00292256...
40,594
40,594
['Hugo Zanghi', 'Franck Picard', 'Vincent Miele', 'Christophe Ambroise']
0910.2034v2
In this paper we adapt online estimation strategies to perform model-based clustering on large networks. Our work focuses on two algorithms, the first based on the SAEM algorithm, and the second on variational methods. These two strategies are compared with existing approaches on simulated and real data. We use the met...
Strategies for online inference of model-based clustering in large and growing networks
2,009
http://arxiv.org/pdf/0910.2034v2
Title Strategies online inference modelbased clustering large growing network Summary paper adapt online estimation strategy perform modelbased clustering large network work focus two algorithm first based SAEM algorithm second variational method two strategy compared existing approach simulated real data use method de...
[-0.029717423021793365, 0.06034715846180916, -0.03896050527691841, -0.019062520936131477, -0.023394877091050148, -0.03398086130619049, 0.014753274619579315, -0.04419015720486641, 0.027625836431980133, 0.014884169213473797, 0.05155450105667114, -0.0005044295685365796, 0.0011246451176702976, 0.08655693382024765, 0.014013...
40,595
40,595
['Brendan Juba']
0910.3713v1
We examine the complexity of learning the distributions produced by finite-state quantum sources. We show how prior techniques for learning hidden Markov models can be adapted to the quantum generator model to find that the analogous state of affairs holds: information-theoretically, a polynomial number of samples suff...
On Learning Finite-State Quantum Sources
2,009
http://arxiv.org/pdf/0910.3713v1
Title Learning FiniteState Quantum Sources Summary examine complexity learning distribution produced finitestate quantum source show prior technique learning hidden Markov model adapted quantum generator model find analogous state affair hold informationtheoretically polynomial number sample suffice approximately ident...
[-0.04062831401824951, 0.026398353278636932, -0.03489036113023758, 0.0280333012342453, -0.05865168571472168, -0.027205293998122215, -0.04476537927985191, 0.03672144189476967, -0.015081299468874931, -0.011899416334927082, 0.0114328907802701, 0.003227982670068741, -0.019630063325166702, 0.02226361632347107, 0.04119738936...
40,596
40,596
['Raghunandan H. Keshavan', 'Sewoong Oh']
0910.5260v2
We consider the problem of reconstructing a low-rank matrix from a small subset of its entries. In this paper, we describe the implementation of an efficient algorithm called OptSpace, based on singular value decomposition followed by local manifold optimization, for solving the low-rank matrix completion problem. It h...
A Gradient Descent Algorithm on the Grassman Manifold for Matrix Completion
2,009
http://arxiv.org/pdf/0910.5260v2
Title Gradient Descent Algorithm Grassman Manifold Matrix Completion Summary consider problem reconstructing lowrank matrix small subset entry paper describe implementation efficient algorithm called OptSpace based singular value decomposition followed local manifold optimization solving lowrank matrix completion probl...
[-0.012535160407423973, 0.004797298926860094, 0.0032052230089902878, 0.035979826003313065, 0.01471778191626072, -0.03163836896419525, -0.01252596452832222, 0.04568515345454216, 0.0598321370780468, 0.030912531539797783, -0.0045005097053945065, 0.041569385677576065, 0.03789518028497696, -0.01075640507042408, 0.0031119659...
40,597
40,597
['Frederic Thouin', 'Mark Coates', 'Michael Rabbat']
1001.1009v1
Knowing the largest rate at which data can be sent on an end-to-end path such that the egress rate is equal to the ingress rate with high probability can be very practical when choosing transmission rates in video streaming or selecting peers in peer-to-peer applications. We introduce probabilistic available bandwidth,...
Multi-path Probabilistic Available Bandwidth Estimation through Bayesian Active Learning
2,010
http://arxiv.org/pdf/1001.1009v1
Title Multipath Probabilistic Available Bandwidth Estimation Bayesian Active Learning Summary Knowing largest rate data sent endtoend path egress rate equal ingres rate high probability practical choosing transmission rate video streaming selecting peer peertopeer application introduce probabilistic available bandwidth...
[-0.011541265062987804, -0.008343292400240898, -0.01341888029128313, -0.03785132244229317, -0.06858315318822861, -0.02429545857012272, 0.015478917397558689, -0.022226354107260704, -0.03355409577488899, -0.0292286928743124, 0.04909469187259674, -0.00710442615672946, -0.012512819841504097, 0.0898139551281929, 0.013935853...
40,598
40,598
['Cem Tekin', 'Mingyan Liu']
1010.0056v1
We consider an opportunistic spectrum access (OSA) problem where the time-varying condition of each channel (e.g., as a result of random fading or certain primary users' activities) is modeled as an arbitrary finite-state Markov chain. At each instance of time, a (secondary) user probes a channel and collects a certain...
Online Learning in Opportunistic Spectrum Access: A Restless Bandit Approach
2,010
http://arxiv.org/pdf/1010.0056v1
Title Online Learning Opportunistic Spectrum Access Restless Bandit Approach Summary consider opportunistic spectrum access OSA problem timevarying condition channel eg result random fading certain primary user activity modeled arbitrary finitestate Markov chain instance time secondary user probe channel collect certai...
[0.010369249619543552, 0.03464570641517639, 0.005439855623990297, -0.08773569017648697, -0.006326572969555855, -0.02456473372876644, -0.03040509857237339, 0.009271861985325813, -0.06942259520292282, -0.004514485131949186, -0.009591730311512947, 0.01682262495160103, -0.05016084015369415, 0.04604250565171242, -0.04987040...
40,599
40,599
['Andri Mirzal']
1010.5290v2
This paper proposes uni-orthogonal and bi-orthogonal nonnegative matrix factorization algorithms with robust convergence proofs. We design the algorithms based on the work of Lee and Seung [1], and derive the converged versions by utilizing ideas from the work of Lin [2]. The experimental results confirm the theoretica...
Converged Algorithms for Orthogonal Nonnegative Matrix Factorizations
2,010
http://arxiv.org/pdf/1010.5290v2
Title Converged Algorithms Orthogonal Nonnegative Matrix Factorizations Summary paper proposes uniorthogonal biorthogonal nonnegative matrix factorization algorithm robust convergence proof design algorithm based work Lee Seung 1 derive converged version utilizing idea work Lin 2 experimental result confirm theoretical...
[-0.06270299851894379, 0.03785886615514755, 0.008544456213712692, -0.001085922122001648, -0.030617473646998405, 0.002046912210062146, -0.02097672037780285, 0.03817601129412651, -0.025350399315357208, -0.004732214380055666, -0.016083573922514915, -0.014950703829526901, 0.01829279027879238, 0.019912149757146835, -0.01736...