text
stringlengths
209
724k
semi-supervised learning has proven to be a powerful paradigm for leveraging unlabeled data to mitigate the reliance on large labeled datasets . in this work , we unify the current dominant approaches for semi-supervised learning to produce a new algorithm , mixmatch , that works by guessing low-entropy labels for data...
intensity-modulated radiation therapy ( imrt ) can sculpt the high-dose volume around the site of disease with hitherto unachievable precision . conformal avoidance of normal tissues goes hand in hand with this . inhomogeneous dose painting is possible . the technique has become a clinical reality and is likely to be t...
conservation equations . thermodynamics of irreversible processes : the linear region . nonlinear thermodynamics . systems involving chemical reactions and diffusion-stability . mathematical tools . simple autocatalytic models . some further aspects of dissipative structures and self-organization phenomena . general co...
deep architectures have demonstrated state-of-the-art results in a variety of settings , especially with vision datasets . beyond the model definitions and the quantitative analyses , there is a need for qualitative comparisons of the solutions learned by various deep architectures . the goal of this paper is to find g...
the rapid uptake of mobile devices and the rising popularity of mobile applications and services pose unprecedented demands on mobile and wireless networking infrastructure . upcoming 5g systems are evolving to support exploding mobile traffic volumes , real-time extraction of fine-grained analytics , and agile managem...
we define an invariant $ abla_g ( m ) $ of pairs m , g , where m is a 3-manifold obtained by surgery on some framed link in the cylinder $ s\\times i $ , s is a connected surface with at least one boundary component , and g is a fatgraph spine of s. in effect , $ abla_g $ is the composition with the $ \\iota_n $ maps o...
we study the orbits of g=gl ( v ) in the enhanced nilpotent cone , where is the variety of nilpotent endomorphisms of v. these orbits are parametrized by bipartitions of n=dimv , and we prove that the closure ordering corresponds to a natural partial order on bipartitions . moreover , we prove that the local intersecti...
we consider open-domain question answering ( qa ) where answers are drawn from either a corpus , a knowledge base ( kb ) , or a combination of both of these . we focus on a setting in which a corpus is supplemented with a large but incomplete kb , and on questions that require non-trivial ( e.g. , multi-hop ) reasoning...
abstract background motor vehicle emissions contribute nearly a quarter of the world 's energy-related greenhouse gases and cause non-negligible air pollution , primarily in urban areas . changing people 's travel behaviour towards alternative transport is an efficient approach to mitigate harmful environmental impacts...
this report is a terminal evaluation of a un environment-gef project implemented between 2011 and 2018. the project 's overall development goal was to mainstream energy efficiency in buildings in east africa , thereby contributing to significantly reduced carbon emissions . the evaluation sought to assess project perfo...
we show that the large n limit of certain conformal field theories in various dimensions include in their hilbert space a sector describing supergravity on the product of anti-desitter spacetimes , spheres and other compact manifolds . this is shown by taking some branes in the full m/string theory and then taking a lo...
face super-resolution is a subset of super resolution ( sr ) that aims to retrieve a high-resolution ( hr ) image of a face from a lower resolution input . recently , deep learning ( dl ) methods have improved drastically the quality of sr generated images . however , these qualitative improvements are not always follo...
this work focuses on a quadratic dependence measure which can be used for blind source separation . after defining it , we show some links with other quadratic dependence measures used by feuerverger and rosenblatt . we develop a practical way for computing this measure , which leads us to a new solution for blind sour...
on considere l'existence de fonctions harmoniques bornees sur des varietes simplement connexes n n de courbure negative story_separator_special_tag this paper studies the interaction between the geometry of complete riemannian manifolds of negative curvature and some aspects of function theory on these spaces . the stu...
templates are an important asset for question answering over knowledge graphs , simplifying the semantic parsing of input utterances and generating structured queries for interpretable answers . state-of-the-art methods rely on hand-crafted templates with limited coverage . this paper presents quint , a system that aut...
the concept of a reduction between subsets of a given space is described , giving rise to various complexity hierarchies , studied both in descriptive set theory and in automata theory . we discuss in particular the wadge and lipschitz hierarchies for subsets of the baire and cantor spaces and the hierarchy of borel re...
automatic face recognition performance has been steadily improving over years of research , however it remains significantly affected by a number of factors such as illumination , pose , expression , resolution and other factors that can impact matching scores . the focus of this paper is the pose problem which remains...
the clustering algorithm is a kind of key technique used to reduce energy consumption . it can increase the scalability and lifetime of the network . energy-efficient clustering protocols should be designed for the characteristic of heterogeneous wireless sensor networks . we propose and evaluate a new distributed ener...
this paper will very briefly review the history of the relationship between modern optimal control and robust control . the latter is commonly viewed as having arisen in reaction to certain perceived inadequacies of the former . more recently , the distinction has effectively disappeared . once-controversial notions of...
the design and performance of the new cold neutron chopper spectrometer ( cncs ) at the spallation neutron source in oak ridge are described . cncs is a direct-geometry inelastic time-of-flight spectrometer , designed essentially to cover the same energy and momentum transfer ranges as in5 at ill , let at isis , dcs at...
in prostate cancer radiotherapy , the accurate identification of the prostate and organs at risk in planning computer tomography ( ct ) images is an important part of the therapy planning and optimization . manually contouring these organs can be a time-consuming process and subject to intra- and inter-expert variabili...
abstract : we give a new characterization of the affine kac-moody algebras in terms of extended affine lie algebras . we also present new realizations of the twisted affine kac-moody algebras . story_separator_special_tag abstract it is a well-known result that the fixed point subalgebra of a finite dimensional complex...
a robot can feasibly be given knowledge of a set of tools for manipulation activities ( e.g . hammer , knife , spatula ) . if the robot then operates outside a closed environment it is likely to face situations where the tool it knows is not available , but alternative unknown tools are present . we tackle the problem ...
the hamiltonian constraint remains the major unsolved problem in loop quantum gravity ( lqg ) . seven years ago a mathematically consistent candidate hamiltonian constraint has been proposed but there are still several unsettled questions which concern the algebra of commutators among smeared hamiltonian constraints wh...
1 the retina is a thin sheet of neural tissue that partially lines the orb of the eye . this tiny outpost of the central nervous system is responsible for collecting all the visual information that reaches the brain . signals from the retina must carry reliable information about properties of objects in the world over ...
as we are moving towards the internet of things ( iot ) , the number of sensors deployed around the world is growing at a rapid pace . market research has shown a significant growth of sensor deployments over the past decade and has predicted a significant increment of the growth rate in the future . these sensors cont...
the rising popularity of the sensor-equipped smartphone is changing the possible scale and scope of human activity inference . the diversity in user population seen in large user bases can overwhelm conventional one-size-fits-all classication approaches . although personalized models are better able to handle populatio...
1 https : //www.cdc.gov/campylobacter/faq.html . 2 https : //www.cdc.gov/foodnet/index.html . 3 https : //www.cdc.gov/mmwr/volumes/68/wr/ mm6816a2.htm . 4 https : //www.cdc.gov/foodsafety/ifsac/pdf/p192016-report-triagency-508.pdf . 5 https : //www.cdc.gov/campylobacter/outbreaks/ outbreaks.html . 6 fsis s direct-plati...
this paper describes the concept of sensor networks which has been made viable by the convergence of micro-electro-mechanical systems technology , wireless communications and digital electronics . first , the sensing tasks and the potential sensor networks applications are explored , and a review of factors influencing...
in this paper we present results for two tasks : social event detection and social network extraction from a literary text , alice in wonderland . for the first task , our system trained on a news corpus using tree kernels and support vector machines beats the baseline systems by a statistically significant margin . us...
among the realistic ingredients to be considered in the computational modeling of infectious diseases , human mobility represents a crucial challenge both on the theoretical side and in view of the limited availability of empirical data . to study the interplay between short-scale commuting flows and long-range airline...
significance the unpredictable recurrences of prion epidemics , their incurable lethality , and the capacity of animal prions to infect humans provide significant motivation to ascertain the parameters governing disease transmission . the unprecedented spread and uncertain zoonotic potential of chronic wasting disease ...
mobile computing continuously evolve through the sustained effort of many researchers . it seamlessly augments users ' cognitive abilities via compute-intensive capabilities such as speech recognition , natural language processing , etc . by thus empowering mobile users , we could transform many areas of human activity...
( 1.1 ) definition let 1 6= g be a group . a subgroup m of g is said to be maximal if m 6= g and there exists no subgroup h such that m < h < g. ifg is finite , by order reasons every subgrouph 6= g is contained in a maximal subgroup . if m is maximal in g , then also every conjugate gmg 1 of m in g is maximal . indeed...
we present a new algorithm for inferring the home location of twitter users at different granularities , including city , state , time zone or geographic region , using the content of users tweets and their tweeting behavior . unlike existing approaches , our algorithm uses an ensemble of statistical and heuristic clas...
the effect of interfaces on mechanical properties is considered . elastic and plastic compatibilities at boundaries are treated . specific influences at both low and high temperatures are discussed , with emphasis on dislocation mechanisms and the atomic scale structure of boundaries . story_separator_special_tag abstr...
preface.- 1. basic analysis.- 2. littlewood-paley theory.- 3. transport and transport-diffusion equations.- 4. quasilinear symmetric systems.- 5. incompressible navier-stokes system.- 6. anisotropic viscosity.- 7. euler system for perfect incompressible fluids.- 8. strichartz estimates and applications to semilinear di...
nowadays , mobile devices are an important part of our everyday lives since they enable us to access a large variety of ubiquitous services . in recent years , the availability of these ubiquitous and mobile services has significantly increased due to the different form of connectivity provided by mobile devices , such...
we report a measurement of the b-mode polarization power spectrum in the cosmic microwave background ( cmb ) using the polarbear experiment in chile . the faint b-mode polarization signature carries information about the universe 's entire history of gravitational structure formation , and the cosmic inflation that may...
this study investigated the effect of an innovative chilling device that intends to make subjects more alert and less sleepy . tests were conducted using a variety of methods including electric-encephalography ( eeg ) brain tomography . a series of behavioral tests showed an increase in alertness , changes of body temp...
automatic segmentation of multiple sclerosis ( ms ) lesions from magnetic resonance imaging ( mri ) images is essential for clinical assessment and treatment planning of ms. recent years have seen an increasing use of convolutional neural networks ( cnns ) for this task . although these methods provide accurate segment...
the performance of superconducting qubits has improved by several orders of magnitude in the past decade . these circuits benefit from the robustness of superconductivity and the josephson effect , and at present they have not encountered any hard physical limits . however , building an error-corrected information proc...
in this paper , an imaging system simulation tool is presented . with the tool , it is possible to simulate the performance ( quality ) of an imaging system . furthermore , the system allows optimization of the lens system for a given image sensor . experiments have shown that the tool is useful in actual lens design ....
olap systems support data analysis through a multidimensional data model , according to which data facts are viewed as points in a space of application-related `` dimensions '' , organized into levels which conform to a hierarchy . the usual assumption is that the data points reflect the dynamic aspect of the data ware...
an emotion monitoring system for a call-center is proposed . it aims to simplify the tracking and management of emotions extracted from call center employee-customer conversations . the system is composed of four modules : emotion detection , emotion analysis and report generation , database manager , and user interfac...
principal component analysis pca is a multivariate technique that analyzes a data table in which observations are described by several inter-correlated quantitative dependent variables . its goal is to extract the important information from the table , to represent it as a set of new orthogonal variables called princip...
nitrogen ( n ) is one of the most important limiting nutrients for sugarcane production . conventionally , sugarcane n concentration is examined using direct methods such as collecting leaf samples from the field followed by analytical assays in the laboratory . these methods do not offer real-time , quick , and non-de...
an autonomous unmanned aircraft requires the collision avoidance capability to automatically sense and avoid conflicts , that is , to meet safety and flexibility issues in an environment of increasing air traffic densities . in this paper , the problem of solving conflicts among unmanned aircraft agents , that are assu...
convergence of random variables . in this expository note we point out some equivalent definitions of mixing and stability and discuss the use of these concepts in several contexts . further , we show how a recent central limit theorem for martingales can be obtained directly using stability . though the results are no...
on the mathematical theory of flow patterns of compressible fluids.- on a class of nonlinear partial differential equations.- integral operators and inverse problems in scattering theory.- study of partial differential equations by the means of generalized analytical functions.- the single layer potential approach in t...
string-number conversion is an important class of constraints needed for the symbolic execution of string-manipulating programs . in particular solving string constraints with string-number conversion is necessary for the analysis of scripting languages such as javascript and python , where string-number conversion is ...
the proliferation of internet of things ( iot ) and the success of rich cloud services have pushed the horizon of a new computing paradigm , edge computing , which calls for processing the data at the edge of the network . edge computing has the potential to address the concerns of response time requirement , battery l...
the notion of mutation plays crucial roles in representation theory of algebras . two kinds of mutation are well-known : tilting/silting mutation and quiver-mutation . in this paper , we focus on tilting mutation for symmetric algebras . introducing mutation of sb quivers , we explicitly give a combinatorial descriptio...
abstract the nemo-3 tracking detector is located in the frejus underground laboratory . it was designed to study double beta decay in a number of different isotopes . presented here are the experimental half-life limits on the double beta decay process for the isotopes 100mo and 82se for different majoron emission mode...
schr\xf6dinger ( proc camb philos soc 31:555 563 , 1935 ) averred that entanglement is the characteristic trait of quantum mechanics . the first part of this paper is simultaneously an exploration of schr\xf6dinger s claim and an investigation into the distinction between mere entanglement and genuine quantum entanglem...
abstract perchloroethene ( pce ) is a common groundwater contaminant , due to its common use as a dry-cleaning solvent . current treatment methods are limited in their ability to remove pce from contaminated sites in an efficient and cost effective manner . palladium-on-gold nanoparticles ( pd-on-au nps ) have been sho...
redoxsensitive materialien sind verst rkt in den wissenschaftlichen fokus ger ckt . insbesondere mit disulfiden verkn pfte kolloidale netzwerke werden intensiv erforscht , da sie unter den reduktiven bedingungen im zellinneren schnell zu ihren thiol-funktionalisierten bausteinen reduziert werden . dies ermcglicht eine ...
angesichts der tatsache , das html nur ein bestimmtes dokumentmodell implementiert , ist die extensible markup language ( xml ) definiert worden , die es ermoglicht , anwendungsspezifische dokumenttypen zu verwenden , die in einer xml-umgebung erstellt , verbreitet und interpretiert werden konnen . story_separator_spec...
abstract we consider a brane moing close to a large number of coincident branes . we compare the calculation of the effective action using the gauge theory living on the brane and the calculation using the supergravity approximation . we discuss some general features about the correspondence between large n gauge theor...
intrusion-detection systems aim at detecting attacks against computer systems and networks , or against information systems in general , as it is difficult to provide provably secure information systems and maintain them in such a secure state for their entire lifetime and for every utilization . sometimes , legacy or ...
this article provides an update on the global cancer burden using the globocan 2020 estimates of cancer incidence and mortality produced by the international agency for research on cancer . worldwide , an estimated 19.3 million new cancer cases ( 18.1 million excluding nonmelanoma skin cancer ) and almost 10.0 million ...
spectral algorithms , such as principal component analysis and spectral clustering , rely on the extremal eigenpairs of a matrix $ a $ . however , these may be uninformative without preprocessing $ a $ wit . story_separator_special_tag clustering is a solution for classifying enormous data when there is not any early k...
machine learning techniques based on neural networks are achieving remarkable results in a wide variety of domains . often , the training of models requires large , representative datasets , which may be crowdsourced and contain sensitive information . the models should not expose private information in these datasets ...
a new proof is presented of the serpe-fierz equivalence theorem for the free neutrino case . the interaction of neutrinos with their sources is seen to restrict the freedom in the neutrino description . it is proved that the only two state theory for the neutrino which does not give rise to double -decay is the weyl-le...
determinations of the motion of the sun with respect to the extra-galactic nebulae have involved a k term of several hundred kilometers which appears to be variable . explanations of this paradox have been sought in a correlation between apparent radial velocities and distances , but so far the results have not been co...
the aim of this paper is to give the first general and abstract treatment of the algebraic properties of lie algebroids . the concept of lie algebroid was introduced in 1967 by pradines [ ls ] , as the basic infinitesimal invariant of a differentiable groupoid ; the construction of the lie algebroid of a differentiable...
we show that the field equations for the supercoordinates and the self -- dual antisymmetric tensor field derived from the recently constructed kappa-invariant action for the m theory five-brane are equivalent to the equations of motion obtained in the doubly supersymmetric geometrical approach at the worldvolume compo...
spam is considered an invasion of privacy . its changeable structures and variability raise the need for new spam classification techniques . the present study proposes using bayesian additive regression trees ( bart ) for spam classification and evaluates its performance against other classification methods , includin...
word sense disambiguation wsd systems automatically choose the intended meaning of a word in context . in this article we present a wsd algorithm based on random walks over large lexical knowledge bases lkb . we show that our algorithm performs better than other graph-based methods when run on a graph built from wordne...
algorithm selection methods can be speeded-up substantially by incorporating multi-objective measures that give preference to algorithms that are both promising and fast to evaluate . in this paper , we introduce such a measure , a3r , and incorporate it into two algorithm selection techniques : average ranking and act...
social media enable promising new approaches to measuring economic activity and analyzing economic behavior at high frequency and in real time using information independent from standard survey and administrative sources . this paper uses data from twitter to create indexes of job loss , job search , and job posting . ...
while web search has become increasingly effective over the last decade , for many users ' needs the required answers may be spread across many documents , or may not exist on the web at all . yet , many of these needs could be addressed by asking people via popular community question answering ( cqa ) services , such ...
man inhabits a universe composed of a great variety of elements and their isotopes . in table i,1 a count of the stable and radioactive elements and isotopes is listed . ninety elements are found terrestrially and one more , technetium , is found in stars ; only promethium has not been found in nature . story_separator...
the review summarizes much of particle physics and cosmology . using data from previous editions , plus 3,283 new measurements from 899 japers , we list , evaluate , and average measured properties of gauge bosons and the recently discovered higgs boson , leptons , quarks , mesons , and baryons . we summarize searches ...
the aim of the paper is to analyse the extent and determinants of panel attrition in the european community household panel ( echp ) . the fact that , after five waves , in some countries the response rate has declined to about 50 % , leads to concerns about the representativeness of the remaining participants . we fin...
a constant rebalanced portfolio is an investment strategy which keeps the same distribution of wealth among a set of stocks from period to period . recently there has been work on on-line investment strategies that are competitive with the best constant rebalanced portfolio determined in hindsight ( cover , 1991 , 1996...
some robots can interact with humans using natural language , and identify service requests through human-robot dialog . however , few robots are able to improve their language capabilities from this experience . in this paper , we develop a dialog agent for robots that is able to interpret user commands using a semant...
how do members and leaders social network structures help or hinder team effectiveness ? a meta-analysis of 37 studies of teams in natural contexts suggests that teams with densely configured inte . story_separator_special_tag we propose automated sport game models as a novel technical means for the analysis of team sp...
a general construction of ergodic transformations with lebesgue component of finite multiplicity is proposed . all known examples with this property can be encompassed within the proposed construction . the spectral and combinatorial properties of the transformations are studied . it is shown that the construction perm...
wireless sensor networks ( wsn ) are mobile ad hoc networks in which sensors have limited resources and communication capabilities . secure communications in some wireless sensor networks are critical . key management is the fundamental security mechanism in wireless sensor network . many key management schemes have be...
in cloud computing , there have led to an increase in the capability to store and record personal data ( < italic > microdata < /italic > ) in the cloud . in most cases , data providers have no/little control that has led to concern that the personal data may be beached . microaggregation techniques seek to protect mic...
lux-zeplin ( lz ) is a next-generation dark matter direct detection experiment that will operate 4850 feet underground at the sanford underground research facility ( surf ) in lead , south dakota , usa . using a two-phase xenon detector with an active mass of 7 tonnes , lz will search primarily for low-energy interacti...
despite recent work in reading comprehension ( rc ) , progress has been mostly limited to english due to the lack of large-scale datasets in other languages . in this work , we introduce the first rc system for languages without rc training data . given a target language without rc training data and a pivot language wi...
introductionas a result of advances in communication , computation , sensor and energy storage technologies , as well as carbon fiber-reinforced plastic materials , micro unmanned aerial vehicles ( uav ) are available at affordable prices . on this basis many new application areas , such as the in-depth reconnaissance ...
an unoriented flow in a graph , is an assignment of real numbers to the edges , such that the sum of the values of all edges incident with each vertex is zero . this is equivalent to a flow in a bidirected graph all of whose edges are extraverted . a nowhere-zero unoriented k-flow is an unoriented flow with values from...
the subject of this review is the solution environment of nonpolar molecules dissolved in liquid water , and the molecular description of the most likely encounters between such solutes in aqueous solution . these subjects have been traditionally discussed under the name , `` hydrophobic effects . '' several reviews ha...
the present document has been developed within the 3 rd generation partnership project ( 3gpp tm ) and may be further elaborated for the purposes of 3gpp . the present document has not been subject to any approval process by the 3gpp organizational partners and shall not be implemented . this specification is provided ...
scintillation screens are widely used for transverse beam profile diagnostics at particle accelerators . the monitor principle relies on the fact that a charged particle crossing the screen material deposits energy which is converted into detectable light . the resulting photon emission leads to a direct image of the t...
this paper includes both the motivation for multivariate quality control , and a discussion of some ot rhe techniques currently available . the emphasis focuses primarily on control charts and includes the t2 -chart , the use of principal components anm some recent developments , multivariate analogs of cusum cnarts an...
this paper gives a survey of the relationship between the fields of cryptography and machine learning , with an emphasis on how each field has contributed ideas and techniques to the other . some suggested directions for future cross-fertilization are also proposed . story_separator_special_tag the problem of privacy-p...
we have developed a near-real-time computer system that can locate and track a subject 's head , and then recognize the person by comparing characteristics of the face to those of known individuals . the computational approach taken in this system is motivated by both physiology and information theory , as well as by t...
we are concerned here with one of the oldest problems in combinatorial extremal theory . it is readily described after we have made a few conventions . denotes the set of story_separator_special_tag we describe several variants of the norm-graphs introduced by kollar , ronyai , and szabo and study some of their extrema...
roadmap a : topologically protected quantum computing main objective : braiding with majorana s within 4 years in order to create qubits with the potential of very long coherence times . to demonstrate majorana braiding , nanowire crosses will need to be integrated in a superconducting circuit with a microwave resonato...
scikit-learn is a python module integrating a wide range of state-of-the-art machine learning algorithms for medium-scale supervised and unsupervised problems . this package focuses on bringing machine learning to non-specialists using a general-purpose high-level language . emphasis is put on ease of use , performance...
a goal of statistical language modeling is to learn the joint probability function of sequences of words in a language . this is intrinsically difficult because of the curse of dimensionality : a word sequence on which the model will be tested is likely to be different from all the word sequences seen during training ....
two special calorimeters are foreseen for the instrumentation of the very forward region of the ilc detector , a luminometer designed to measure the rate of low angle bhabha scattering events with a precision better than 10-3 and a low polar angle calorimeter , adjacent to the beam-pipe . the latter will be hit by a la...
ultrasound is the most commonly used imaging technique for the evaluation of thyroid nodules . sonographic findings are often not specific , and definitive diagnosis is usually made through fine-needle aspiration biopsy or even surgery . in reviewing the literature , terms used to describe nodules are often poorly defi...
since traditional radar signals are unintelligent , regarding the amount of information they convey on the bandwidth they occupy , a joint radar and wireless communication system would constitute a unique platform for future intelligent transportation networks effecting the essential tasks of environmental sensing and ...
australian & new zealand journal of psychiatry , 49 ( 3 ) some readers may recall the classic episode of the tv series yes minister in which a new hospital is running beautifully , with 500 administrators but no patients first of all you have to sort out the smooth running of the hospital . having patients around would...
the research work presented in this thesis is concerned with the analysis of the human body as a calibration platform for estimation of a pinhole camera model used in augmented reality environments . story_separator_special_tag the postural sway in 24 subjects performing a boresight calibration task on a large format h...