id stringlengths 9 16 | title stringlengths 4 278 | categories listlengths 1 13 | abstract stringlengths 3 4.08k | filtered_category_membership dict |
|---|---|---|---|---|
cs/0302036 | Constraint-based analysis of composite solvers | [
"cs.AI"
] | Cooperative constraint solving is an area of constraint programming that studies the interaction between constraint solvers with the aim of discovering the interaction patterns that amplify the positive qualities of individual solvers. Automatisation and formalisation of such studies is an important issue of cooperativ... | {
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cs/0302038 | Tight Logic Programs | [
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] | This note is about the relationship between two theories of negation as failure -- one based on program completion, the other based on stable models, or answer sets. Francois Fages showed that if a logic program satisfies a certain syntactic condition, which is now called ``tightness,'' then its stable models can be ch... | {
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cs/0302039 | Kalman-filtering using local interactions | [
"cs.AI"
] | There is a growing interest in using Kalman-filter models for brain modelling. In turn, it is of considerable importance to represent Kalman-filter in connectionist forms with local Hebbian learning rules. To our best knowledge, Kalman-filter has not been given such local representation. It seems that the main obstacle... | {
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cs/0303002 | About compression of vocabulary in computer oriented languages | [
"cs.CL"
] | The author uses the entropy of the ideal Bose-Einstein gas to minimize losses in computer-oriented languages. | {
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cs/0303006 | On the Notion of Cognition | [
"cs.AI"
] | We discuss philosophical issues concerning the notion of cognition basing ourselves in experimental results in cognitive sciences, especially in computer simulations of cognitive systems. There have been debates on the "proper" approach for studying cognition, but we have realized that all approaches can be in theory e... | {
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cs/0303007 | Glottochronology and problems of protolanguage reconstruction | [
"cs.CL"
] | A method of languages genealogical trees construction is proposed. | {
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cs/0303009 | Unfolding Partiality and Disjunctions in Stable Model Semantics | [
"cs.AI"
] | The paper studies an implementation methodology for partial and disjunctive stable models where partiality and disjunctions are unfolded from a logic program so that an implementation of stable models for normal (disjunction-free) programs can be used as the core inference engine. The unfolding is done in two separate ... | {
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cs/0303015 | Statistical efficiency of curve fitting algorithms | [
"cs.CV"
] | We study the problem of fitting parametrized curves to noisy data. Under certain assumptions (known as Cartesian and radial functional models), we derive asymptotic expressions for the bias and the covariance matrix of the parameter estimates. We also extend Kanatani's version of the Cramer-Rao lower bound, which he pr... | {
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cs/0303017 | A Neural Network Assembly Memory Model with Maximum-Likelihood Recall
and Recognition Properties | [
"cs.AI",
"cs.IR",
"cs.NE",
"q-bio.NC",
"q-bio.QM"
] | It has been shown that a neural network model recently proposed to describe basic memory performance is based on a ternary/binary coding/decoding algorithm which leads to a new neural network assembly memory model (NNAMM) providing maximum-likelihood recall/recognition properties and implying a new memory unit architec... | {
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cs/0303018 | Multi-target particle filtering for the probability hypothesis density | [
"cs.AI"
] | When tracking a large number of targets, it is often computationally expensive to represent the full joint distribution over target states. In cases where the targets move independently, each target can instead be tracked with a separate filter. However, this leads to a model-data association problem. Another approach ... | {
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cs/0303022 | Probabilistic behavior of hash tables | [
"cs.DS",
"cs.DB"
] | We extend a result of Goldreich and Ron about estimating the collision probability of a hash function. Their estimate has a polynomial tail. We prove that when the load factor is greater than a certain constant, the estimator has a gaussian tail. As an application we find an estimate of an upper bound for the average s... | {
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cs/0303023 | Conferences with Internet Web-Casting as Binding Events in a Global
Brain: Example Data From Complexity Digest | [
"cs.NI",
"cs.AI"
] | There is likeness of the Internet to human brains which has led to the metaphor of the world-wide computer network as a `Global Brain'. We consider conferences as 'binding events' in the Global Brain that can lead to metacognitive structures on a global scale. One of the critical factors for that phenomenon to happen (... | {
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cs/0303024 | Differential Methods in Catadioptric Sensor Design with Applications to
Panoramic Imaging | [
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"cs.RO"
] | We discuss design techniques for catadioptric sensors that realize given projections. In general, these problems do not have solutions, but approximate solutions may often be found that are visually acceptable. There are several methods to approach this problem, but here we focus on what we call the ``vector field appr... | {
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cs/0303025 | Algorithmic Clustering of Music | [
"cs.SD",
"cs.LG",
"physics.data-an"
] | We present a fully automatic method for music classification, based only on compression of strings that represent the music pieces. The method uses no background knowledge about music whatsoever: it is completely general and can, without change, be used in different areas like linguistic classification and genomics. It... | {
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cs/0303031 | A Bird's eye view of Matrix Distributed Processing | [
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"cs.DM",
"cs.MS",
"hep-lat",
"physics.comp-ph"
] | We present Matrix Distributed Processing, a C++ library for fast development of efficient parallel algorithms. MDP is based on MPI and consists of a collection of C++ classes and functions such as lattice, site and field. Once an algorithm is written using these components the algorithm is automatically parallel and no... | {
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cs/0303032 | Recent Results on No-Free-Lunch Theorems for Optimization | [
"cs.NE",
"math.OC",
"nlin.AO"
] | The sharpened No-Free-Lunch-theorem (NFL-theorem) states that the performance of all optimization algorithms averaged over any finite set F of functions is equal if and only if F is closed under permutation (c.u.p.) and each target function in F is equally likely. In this paper, we first summarize some consequences of ... | {
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cs/0304006 | Learning to Paraphrase: An Unsupervised Approach Using Multiple-Sequence
Alignment | [
"cs.CL"
] | We address the text-to-text generation problem of sentence-level paraphrasing -- a phenomenon distinct from and more difficult than word- or phrase-level paraphrasing. Our approach applies multiple-sequence alignment to sentences gathered from unannotated comparable corpora: it learns a set of paraphrasing patterns rep... | {
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cs/0304007 | A Method for Clustering Web Attacks Using Edit Distance | [
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"cs.CR"
] | Cluster analysis often serves as the initial step in the process of data classification. In this paper, the problem of clustering different length input data is considered. The edit distance as the minimum number of elementary edit operations needed to transform one vector into another is used. A heuristic for clusteri... | {
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cs/0304009 | Stochastic Volatility in a Quantitative Model of Stock Market Returns | [
"cs.CE"
] | Standard quantitative models of the stock market predict a log-normal distribution for stock returns (Bachelier 1900, Osborne 1959), but it is recognised (Fama 1965) that empirical data, in comparison with a Gaussian, exhibit leptokurtosis (it has more probability mass in its tails and centre) and fat tails (probabilit... | {
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cs/0304019 | Blind Normalization of Speech From Different Channels | [
"cs.CL"
] | We show how to construct a channel-independent representation of speech that has propagated through a noisy reverberant channel. This is done by blindly rescaling the cepstral time series by a non-linear function, with the form of this scale function being determined by previously encountered cepstra from that channel.... | {
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cs/0304022 | Self-Replicating Machines in Continuous Space with Virtual Physics | [
"cs.NE",
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"q-bio.PE"
] | JohnnyVon is an implementation of self-replicating machines in continuous two-dimensional space. Two types of particles drift about in a virtual liquid. The particles are automata with discrete internal states but continuous external relationships. Their internal states are governed by finite state machines but their e... | {
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cs/0304024 | Glottochronologic Retrognostic of Language System | [
"cs.CL"
] | A glottochronologic retrognostic of language system is proposed | {
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cs/0304027 | "I'm sorry Dave, I'm afraid I can't do that": Linguistics, Statistics,
and Natural Language Processing circa 2001 | [
"cs.CL"
] | A brief, general-audience overview of the history of natural language processing, focusing on data-driven approaches.Topics include "Ambiguity and language analysis", "Firth things first", "A 'C' change", and "The empiricists strike back". | {
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cs/0304028 | Grid-Enabling Natural Language Engineering By Stealth | [
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] | We describe a proposal for an extensible, component-based software architecture for natural language engineering applications. Our model leverages existing linguistic resource description and discovery mechanisms based on extended Dublin Core metadata. In addition, the application design is flexible, allowing disparate... | {
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cs/0304029 | An XML based Document Suite | [
"cs.CL"
] | We report about the current state of development of a document suite and its applications. This collection of tools for the flexible and robust processing of documents in German is based on the use of XML as unifying formalism for encoding input and output data as well as process information. It is organized in modules... | {
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cs/0304035 | Exploiting Sublanguage and Domain Characteristics in a Bootstrapping
Approach to Lexicon and Ontology Creation | [
"cs.CL"
] | It is very costly to build up lexical resources and domain ontologies. Especially when confronted with a new application domain lexical gaps and a poor coverage of domain concepts are a problem for the successful exploitation of natural language document analysis systems that need and exploit such knowledge sources. In... | {
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cs/0304036 | An Approach for Resource Sharing in Multilingual NLP | [
"cs.CL"
] | In this paper we describe an approach for the analysis of documents in German and English with a shared pool of resources. For the analysis of German documents we use a document suite, which supports the user in tasks like information retrieval and information extraction. The core of the document suite is based on our ... | {
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cs/0305001 | A Framework for Searching AND/OR Graphs with Cycles | [
"cs.AI"
] | Search in cyclic AND/OR graphs was traditionally known to be an unsolved problem. In the recent past several important studies have been reported in this domain. In this paper, we have taken a fresh look at the problem. First, a new and comprehensive theoretical framework for cyclic AND/OR graphs has been presented, wh... | {
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cs/0305004 | Approximate Grammar for Information Extraction | [
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] | In this paper, we present the concept of Approximate grammar and how it can be used to extract information from a documemt. As the structure of informational strings cannot be defined well in a document, we cannot use the conventional grammar rules to represent the information. Hence, the need arises to design an appro... | {
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cs/0305012 | Time-scales, Meaning, and Availability of Information in a Global Brain | [
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] | We note the importance of time-scales, meaning, and availability of information for the emergence of novel information meta-structures at a global scale. We discuss previous work in this area and develop future perspectives. We focus on the transmission of scientific articles and the integration of traditional conferen... | {
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cs/0305013 | On Nonspecific Evidence | [
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] | When simultaneously reasoning with evidences about several different events it is necessary to separate the evidence according to event. These events should then be handled independently. However, when propositions of evidences are weakly specified in the sense that it may not be certain to which event they are referri... | {
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cs/0305014 | Dempster's Rule for Evidence Ordered in a Complete Directed Acyclic
Graph | [
"cs.AI",
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] | For the case of evidence ordered in a complete directed acyclic graph this paper presents a new algorithm with lower computational complexity for Dempster's rule than that of step-by-step application of Dempster's rule. In this problem, every original pair of evidences, has a corresponding evidence against the simultan... | {
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cs/0305015 | Finding a Posterior Domain Probability Distribution by Specifying
Nonspecific Evidence | [
"cs.AI",
"cs.NE"
] | This article is an extension of the results of two earlier articles. In [J. Schubert, On nonspecific evidence, Int. J. Intell. Syst. 8 (1993) 711-725] we established within Dempster-Shafer theory a criterion function called the metaconflict function. With this criterion we can partition into subsets a set of several pi... | {
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cs/0305017 | Cluster-based Specification Techniques in Dempster-Shafer Theory | [
"cs.AI",
"cs.NE"
] | When reasoning with uncertainty there are many situations where evidences are not only uncertain but their propositions may also be weakly specified in the sense that it may not be certain to which event a proposition is referring. It is then crucial not to combine such evidences in the mistaken belief that they are re... | {
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cs/0305018 | Cluster-based Specification Techniques in Dempster-Shafer Theory for an
Evidential Intelligence Analysis of MultipleTarget Tracks (Thesis Abstract) | [
"cs.AI",
"cs.NE"
] | In Intelligence Analysis it is of vital importance to manage uncertainty. Intelligence data is almost always uncertain and incomplete, making it necessary to reason and taking decisions under uncertainty. One way to manage the uncertainty in Intelligence Analysis is Dempster-Shafer Theory. This thesis contains five res... | {
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cs/0305019 | On rho in a Decision-Theoretic Apparatus of Dempster-Shafer Theory | [
"cs.AI"
] | Thomas M. Strat has developed a decision-theoretic apparatus for Dempster-Shafer theory (Decision analysis using belief functions, Intern. J. Approx. Reason. 4(5/6), 391-417, 1990). In this apparatus, expected utility intervals are constructed for different choices. The choice with the highest expected utility is prefe... | {
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cs/0305020 | Specifying nonspecific evidence | [
"cs.AI",
"cs.NE"
] | In an earlier article [J. Schubert, On nonspecific evidence, Int. J. Intell. Syst. 8(6), 711-725 (1993)] we established within Dempster-Shafer theory a criterion function called the metaconflict function. With this criterion we can partition into subsets a set of several pieces of evidence with propositions that are we... | {
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cs/0305021 | Creating Prototypes for Fast Classification in Dempster-Shafer
Clustering | [
"cs.AI",
"cs.NE"
] | We develop a classification method for incoming pieces of evidence in Dempster-Shafer theory. This methodology is based on previous work with clustering and specification of originally nonspecific evidence. This methodology is here put in order for fast classification of future incoming pieces of evidence by comparing ... | {
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cs/0305022 | Applying Data Mining and Machine Learning Techniques to Submarine
Intelligence Analysis | [
"cs.AI",
"cs.DB",
"cs.NE"
] | We describe how specialized database technology and data analysis methods were applied by the Swedish defense to help deal with the violation of Swedish marine territory by foreign submarine intruders during the Eighties and early Nineties. Among several approaches tried some yielded interesting information, although m... | {
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cs/0305023 | Fast Dempster-Shafer clustering using a neural network structure | [
"cs.AI",
"cs.NE"
] | In this paper we study a problem within Dempster-Shafer theory where 2**n - 1 pieces of evidence are clustered by a neural structure into n clusters. The clustering is done by minimizing a metaconflict function. Previously we developed a method based on iterative optimization. However, for large scale problems we need ... | {
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cs/0305024 | A neural network and iterative optimization hybrid for Dempster-Shafer
clustering | [
"cs.AI",
"cs.NE"
] | In this paper we extend an earlier result within Dempster-Shafer theory ["Fast Dempster-Shafer Clustering Using a Neural Network Structure," in Proc. Seventh Int. Conf. Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU 98)] where a large number of pieces of evidence are clustered int... | {
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cs/0305025 | Simultaneous Dempster-Shafer clustering and gradual determination of
number of clusters using a neural network structure | [
"cs.AI",
"cs.NE"
] | In this paper we extend an earlier result within Dempster-Shafer theory ["Fast Dempster-Shafer Clustering Using a Neural Network Structure," in Proc. Seventh Int. Conf. Information Processing and Management of Uncertainty in Knowledge-Based Systems (IPMU'98)] where several pieces of evidence were clustered into a fixed... | {
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cs/0305026 | Fast Dempster-Shafer clustering using a neural network structure | [
"cs.AI",
"cs.NE"
] | In this article we study a problem within Dempster-Shafer theory where 2**n - 1 pieces of evidence are clustered by a neural structure into n clusters. The clustering is done by minimizing a metaconflict function. Previously we developed a method based on iterative optimization. However, for large scale problems we nee... | {
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cs/0305027 | Managing Inconsistent Intelligence | [
"cs.AI",
"cs.NE"
] | In this paper we demonstrate that it is possible to manage intelligence in constant time as a pre-process to information fusion through a series of processes dealing with issues such as clustering reports, ranking reports with respect to importance, extraction of prototypes from clusters and immediate classification of... | {
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cs/0305028 | Dempster-Shafer clustering using Potts spin mean field theory | [
"cs.AI",
"cs.NE"
] | In this article we investigate a problem within Dempster-Shafer theory where 2**q - 1 pieces of evidence are clustered into q clusters by minimizing a metaconflict function, or equivalently, by minimizing the sum of weight of conflict over all clusters. Previously one of us developed a method based on a Hopfield and Ta... | {
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cs/0305029 | Conflict-based Force Aggregation | [
"cs.AI",
"cs.NE"
] | In this paper we present an application where we put together two methods for clustering and classification into a force aggregation method. Both methods are based on conflicts between elements. These methods work with different type of elements (intelligence reports, vehicles, military units) on different hierarchical... | {
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cs/0305030 | Reliable Force Aggregation Using a Refined Evidence Specification from
Dempster-Shafer Clustering | [
"cs.AI",
"cs.NE"
] | In this paper we develop methods for selection of templates and use these templates to recluster an already performed Dempster-Shafer clustering taking into account intelligence to template fit during the reclustering phase. By this process the risk of erroneous force aggregation based on some misplace pieces of eviden... | {
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cs/0305031 | Clustering belief functions based on attracting and conflicting
metalevel evidence | [
"cs.AI",
"cs.NE"
] | In this paper we develop a method for clustering belief functions based on attracting and conflicting metalevel evidence. Such clustering is done when the belief functions concern multiple events, and all belief functions are mixed up. The clustering process is used as the means for separating the belief functions into... | {
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cs/0305032 | Robust Report Level Cluster-to-Track Fusion | [
"cs.AI",
"cs.NE"
] | In this paper we develop a method for report level tracking based on Dempster-Shafer clustering using Potts spin neural networks where clusters of incoming reports are gradually fused into existing tracks, one cluster for each track. Incoming reports are put into a cluster and continuous reclustering of older reports i... | {
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cs/0305033 | Beslutst\"odssystemet Dezzy - en \"oversikt | [
"cs.AI",
"cs.DB"
] | Within the scope of the three-year ANTI-SUBMARINE WARFARE project of the National Defence Research Establishment, the INFORMATION SYSTEMS subproject has developed the demonstration prototype Dezzy for handling and analysis of intelligence reports concerning foreign underwater activities. ----- Inom ramen f\"or FOA:... | {
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cs/0305036 | Using Dynamic Simulation in the Development of Construction Machinery | [
"cs.CE"
] | As in the car industry for quite some time, dynamic simulation of complete vehicles is being practiced more and more in the development of off-road machinery. However, specific questions arise due not only to company structure and size, but especially to the type of product. Tightly coupled, non-linear subsystems of di... | {
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cs/0305038 | The Evolution of the Computerized Database | [
"cs.DB"
] | Databases, collections of related data, are as old as the written word. A database can be anything from a homemaker's metal recipe file to a sophisticated data warehouse. Yet today, when we think of a database we invariably think of computerized data and their DBMSs (database management systems). How did we go from org... | {
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cs/0305040 | Bounded LTL Model Checking with Stable Models | [
"cs.LO",
"cs.AI"
] | In this paper bounded model checking of asynchronous concurrent systems is introduced as a promising application area for answer set programming. As the model of asynchronous systems a generalisation of communicating automata, 1-safe Petri nets, are used. It is shown how a 1-safe Petri net and a requirement on the beha... | {
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cs/0305041 | Factorization of Language Models through Backing-Off Lattices | [
"cs.CL"
] | Factorization of statistical language models is the task that we resolve the most discriminative model into factored models and determine a new model by combining them so as to provide better estimate. Most of previous works mainly focus on factorizing models of sequential events, each of which allows only one factoriz... | {
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cs/0305044 | Updating beliefs with incomplete observations | [
"cs.AI"
] | Currently, there is renewed interest in the problem, raised by Shafer in 1985, of updating probabilities when observations are incomplete. This is a fundamental problem in general, and of particular interest for Bayesian networks. Recently, Grunwald and Halpern have shown that commonly used updating strategies fail in ... | {
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cs/0305048 | 2D Electrophoresis Gel Image and Diagnosis of a Disease | [
"cs.CC",
"cs.CV",
"q-bio.QM"
] | The process of diagnosing a disease from the 2D gel electrophoresis image is a challenging problem. This is due to technical difficulties of generating reproducible images with a normalized form and the effect of negative stain. In this paper, we will discuss a new concept of interpreting the 2D images and overcoming t... | {
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cs/0305052 | On the Existence and Convergence Computable Universal Priors | [
"cs.LG",
"cs.AI",
"cs.CC",
"math.ST",
"stat.TH"
] | Solomonoff unified Occam's razor and Epicurus' principle of multiple explanations to one elegant, formal, universal theory of inductive inference, which initiated the field of algorithmic information theory. His central result is that the posterior of his universal semimeasure M converges rapidly to the true sequence g... | {
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cs/0305053 | Developing Open Data Models for Linguistic Field Data | [
"cs.DL",
"cs.CL"
] | The UQ Flint Archive houses the field notes and elicitation recordings made by Elwyn Flint in the 1950's and 1960's during extensive linguistic survey work across Queensland, Australia. The process of digitizing the contents of the UQ Flint Archive provides a number of interesting challenges in the context of EMELD. ... | {
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cs/0305055 | Goodness-of-fit of the Heston model | [
"cs.CE"
] | An analytical formula for the probability distribution of stock-market returns, derived from the Heston model assuming a mean-reverting stochastic volatility, was recently proposed by Dragulescu and Yakovenko in Quantitative Finance 2002. While replicating their results, we found two significant weaknesses in their met... | {
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cs/0305056 | Configuration Database for BaBar On-line | [
"cs.DB",
"cs.IR"
] | The configuration database is one of the vital systems in the BaBar on-line system. It provides services for the different parts of the data acquisition system and control system, which require run-time parameters. The original design and implementation of the configuration database played a significant role in the suc... | {
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cs/0306006 | Experience with the Open Source based implementation for ATLAS
Conditions Data Management System | [
"cs.DB"
] | Conditions Data in high energy physics experiments is frequently seen as every data needed for reconstruction besides the event data itself. This includes all sorts of slowly evolving data like detector alignment, calibration and robustness, and data from detector control system. Also, every Conditions Data Object is a... | {
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cs/0306013 | Transparent Persistence with Java Data Objects | [
"cs.DB"
] | Flexible and performant Persistency Service is a necessary component of any HEP Software Framework. The building of a modular, non-intrusive and performant persistency component have been shown to be very difficult task. In the past, it was very often necessary to sacrifice modularity to achieve acceptable performance.... | {
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cs/0306016 | Modelling Biochemical Operations on RNA Secondary Structures | [
"cs.CE",
"q-bio"
] | In this paper we model several simple biochemical operations on RNA molecules that modify their secondary structure by means of a suitable variation of Gro\ss e-Rhode's Algebra Transformation Systems. | {
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cs/0306017 | Minimum Model Semantics for Logic Programs with Negation-as-Failure | [
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] | We give a purely model-theoretic characterization of the semantics of logic programs with negation-as-failure allowed in clause bodies. In our semantics the meaning of a program is, as in the classical case, the unique minimum model in a program-independent ordering. We use an expanded truth domain that has an uncounta... | {
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cs/0306019 | Relational databases for data management in PHENIX | [
"cs.DB"
] | PHENIX is one of the two large experiments at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory (BNL) and archives roughly 100TB of experimental data per year. In addition, large volumes of simulated data are produced at multiple off-site computing centers. For any file catalog to play a cent... | {
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cs/0306020 | On the Verge of One Petabyte - the Story Behind the BaBar Database
System | [
"cs.DB"
] | The BaBar database has pioneered the use of a commercial ODBMS within the HEP community. The unique object-oriented architecture of Objectivity/DB has made it possible to manage over 700 terabytes of production data generated since May'99, making the BaBar database the world's largest known database. The ongoing develo... | {
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cs/0306021 | Visualization for Periodic Population Movement between Distinct
Localities | [
"cs.IR"
] | We present a new visualization method to summarize and present periodic population movement between distinct locations, such as floors, buildings, cities, or the like. In the specific case of this paper, we have chosen to focus on student movement between college dormitories on the Columbia University campus. The visua... | {
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cs/0306022 | Techniques for effective vocabulary selection | [
"cs.CL",
"cs.AI"
] | The vocabulary of a continuous speech recognition (CSR) system is a significant factor in determining its performance. In this paper, we present three principled approaches to select the target vocabulary for a particular domain by trading off between the target out-of-vocabulary (OOV) rate and vocabulary size. We eval... | {
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cs/0306023 | The Redesigned BaBar Event Store: Believe the Hype | [
"cs.DB",
"cs.DS"
] | As the BaBar experiment progresses, it produces new and unforeseen requirements and increasing demands on capacity and feature base. The current system is being utilized well beyond its original design specifications, and has scaled appropriately, maintaining data consistency and durability. The persistent event storag... | {
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cs/0306026 | BdbServer++: A User Driven Data Location and Retrieval Tool | [
"cs.IR"
] | The adoption of Grid technology has the potential to greatly aid the BaBar experiment. BdbServer was originally designed to extract copies of data from the Objectivity/DB database at SLAC and IN2P3. With data now stored in multiple locations in a variety of data formats, we are enhancing this tool. This will enable use... | {
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cs/0306034 | A ROOT/IO Based Software Framework for CMS | [
"cs.DB"
] | The implementation of persistency in the Compact Muon Solenoid (CMS) Software Framework uses the core I/O functionality of ROOT. We will discuss the current ROOT/IO implementation, its evolution from the prior Objectivity/DB implementation, and the plans and ongoing work for the conversion to "POOL", provided by the LH... | {
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cs/0306036 | Sequence Prediction based on Monotone Complexity | [
"cs.AI",
"cs.IT",
"cs.LG",
"math.IT",
"math.ST",
"stat.TH"
] | This paper studies sequence prediction based on the monotone Kolmogorov complexity Km=-log m, i.e. based on universal deterministic/one-part MDL. m is extremely close to Solomonoff's prior M, the latter being an excellent predictor in deterministic as well as probabilistic environments, where performance is measured in... | {
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cs/0306039 | Bayesian Information Extraction Network | [
"cs.CL",
"cs.AI",
"cs.IR"
] | Dynamic Bayesian networks (DBNs) offer an elegant way to integrate various aspects of language in one model. Many existing algorithms developed for learning and inference in DBNs are applicable to probabilistic language modeling. To demonstrate the potential of DBNs for natural language processing, we employ a DBN in a... | {
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cs/0306040 | The Open Language Archives Community: An infrastructure for distributed
archiving of language resources | [
"cs.CL",
"cs.DL"
] | New ways of documenting and describing language via electronic media coupled with new ways of distributing the results via the World-Wide Web offer a degree of access to language resources that is unparalleled in history. At the same time, the proliferation of approaches to using these new technologies is causing serio... | {
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cs/0306049 | Hyperdense Coding Modulo 6 with Filter-Machines | [
"cs.CC",
"cs.DB"
] | We show how one can encode $n$ bits with $n^{o(1)}$ ``wave-bits'' using still hypothetical filter-machines (here $o(1)$ denotes a positive quantity which goes to 0 as $n$ goes to infity). Our present result - in a completely different computational model - significantly improves on the quantum superdense-coding breakth... | {
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cs/0306050 | Introduction to the CoNLL-2003 Shared Task: Language-Independent Named
Entity Recognition | [
"cs.CL"
] | We describe the CoNLL-2003 shared task: language-independent named entity recognition. We give background information on the data sets (English and German) and the evaluation method, present a general overview of the systems that have taken part in the task and discuss their performance. | {
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cs/0306056 | Twelve Ways to Build CMS Crossings from ROOT Files | [
"cs.DB"
] | The simulation of CMS raw data requires the random selection of one hundred and fifty pileup events from a very large set of files, to be superimposed in memory to the signal event. The use of ROOT I/O for that purpose is quite unusual: the events are not read sequentially but pseudo-randomly, they are not processed on... | {
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cs/0306061 | Operational Aspects of Dealing with the Large BaBar Data Set | [
"cs.DB",
"cs.DC"
] | To date, the BaBar experiment has stored over 0.7PB of data in an Objectivity/DB database. Approximately half this data-set comprises simulated data of which more than 70% has been produced at more than 20 collaborating institutes outside of SLAC. The operational aspects of managing such a large data set and providing ... | {
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cs/0306062 | Learning to Order Facts for Discourse Planning in Natural Language
Generation | [
"cs.CL"
] | This paper presents a machine learning approach to discourse planning in natural language generation. More specifically, we address the problem of learning the most natural ordering of facts in discourse plans for a specific domain. We discuss our methodology and how it was instantiated using two different machine lear... | {
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cs/0306065 | POOL File Catalog, Collection and Metadata Components | [
"cs.DB"
] | The POOL project is the common persistency framework for the LHC experiments to store petabytes of experiment data and metadata in a distributed and grid enabled way. POOL is a hybrid event store consisting of a data streaming layer and a relational layer. This paper describes the design of file catalog, collection and... | {
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cs/0306066 | The COMPASS Event Store in 2002 | [
"cs.DB"
] | COMPASS, the fixed-target experiment at CERN studying the structure of the nucleon and spectroscopy, collected over 260 TB during summer 2002 run. All these data, together with reconstructed events information, were put from the beginning in a database infrastructure based on Objectivity/DB and on the hierarchical stor... | {
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cs/0306077 | The TESLA Requirements Database | [
"cs.DB"
] | In preparation for the planned linear collider TESLA, DESY is designing the required buildings and facilities. The accelerator and infrastructure components have to be allocated to buildings, and their required areas for installation, operation and maintenance have to be determined. Interdisciplinary working groups spe... | {
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cs/0306079 | Integrated Information Management for TESLA | [
"cs.DB"
] | Next-generation projects in High Energy Physics will reach again a new dimension of complexity. Information management has to ensure an efficient and economic information flow within the collaborations, offering world-wide up-to-date information access to the collaborators as one condition for successful projects. DESY... | {
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cs/0306081 | An on-line Integrated Bookkeeping: electronic run log book and Meta-Data
Repository for ATLAS | [
"cs.DB"
] | In the context of the ATLAS experiment there is growing evidence of the importance of different kinds of Meta-data including all the important details of the detector and data acquisition that are vital for the analysis of the acquired data. The Online BookKeeper (OBK) is a component of ATLAS online software that store... | {
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cs/0306086 | GMA Instrumentation of the Athena Framework using NetLogger | [
"cs.DC",
"cs.IR"
] | Grid applications are, by their nature, wide-area distributed applications. This WAN aspect of Grid applications makes the use of conventional monitoring and instrumentation tools (such as top, gprof, LSF Monitor, etc) impractical for verification that the application is running correctly and efficiently. To be effecti... | {
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cs/0306091 | Universal Sequential Decisions in Unknown Environments | [
"cs.AI",
"cs.CC",
"cs.LG"
] | We give a brief introduction to the AIXI model, which unifies and overcomes the limitations of sequential decision theory and universal Solomonoff induction. While the former theory is suited for active agents in known environments, the latter is suited for passive prediction of unknown environments. | {
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cs/0306094 | BaBar - A Community Web Site in an Organizational Setting | [
"cs.IR"
] | The BABAR Web site was established in 1993 at the Stanford Linear Accelerator Center (SLAC) to support the BABAR experiment, to report its results, and to facilitate communication among its scientific and engineering collaborators, currently numbering about 600 individuals from 75 collaborating institutions in 10 count... | {
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cs/0306095 | The MammoGrid Project Grids Architecture | [
"cs.DC",
"cs.DB"
] | The aim of the recently EU-funded MammoGrid project is, in the light of emerging Grid technology, to develop a European-wide database of mammograms that will be used to develop a set of important healthcare applications and investigate the potential of this Grid to support effective co-working between healthcare profes... | {
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cs/0306097 | A family of metrics on contact structures based on edge ideals | [
"cs.DM",
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"q-bio"
] | The measurement of the similarity of RNA secondary structures, and in general of contact structures, of a fixed length has several specific applications. For instance, it is used in the analysis of the ensemble of suboptimal secondary structures generated by a given algorithm on a given RNA sequence, and in the compari... | {
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cs/0306099 | An Improved k-Nearest Neighbor Algorithm for Text Categorization | [
"cs.CL"
] | k is the most important parameter in a text categorization system based on k-Nearest Neighbor algorithm (kNN).In the classification process, k nearest documents to the test one in the training set are determined firstly. Then, the predication can be made according to the category distribution among these k nearest neig... | {
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cs/0306102 | Prototyping Virtual Data Technologies in ATLAS Data Challenge 1
Production | [
"cs.DC",
"cs.DB"
] | For efficiency of the large production tasks distributed worldwide, it is essential to provide shared production management tools comprised of integratable and interoperable services. To enhance the ATLAS DC1 production toolkit, we introduced and tested a Virtual Data services component. For each major data transformat... | {
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cs/0306103 | Primary Numbers Database for ATLAS Detector Description Parameters | [
"cs.DB",
"cs.HC"
] | We present the design and the status of the database for detector description parameters in ATLAS experiment. The ATLAS Primary Numbers are the parameters defining the detector geometry and digitization in simulations, as well as certain reconstruction parameters. Since the detailed ATLAS detector description needs mor... | {
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cs/0306105 | Design, implementation and deployment of the Saclay muon reconstruction
algorithms (Muonbox/y) in the Athena software framework of the ATLAS
experiment | [
"cs.CE"
] | This paper gives an overview of a reconstruction algorithm for muon events in ATLAS experiment at CERN. After a short introduction on ATLAS Muon Spectrometer, we will describe the procedure performed by the algorithms Muonbox and Muonboy (last version) in order to achieve correctly the reconstruction task. These algori... | {
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} |
cs/0306106 | Lexicographic probability, conditional probability, and nonstandard
probability | [
"cs.GT",
"cs.AI"
] | The relationship between Popper spaces (conditional probability spaces that satisfy some regularity conditions), lexicographic probability systems (LPS's), and nonstandard probability spaces (NPS's) is considered. If countable additivity is assumed, Popper spaces and a subclass of LPS's are equivalent; without the assu... | {
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"cs.SY": 0
} |
cs/0306109 | Distributed Heterogeneous Relational Data Warehouse In A Grid
Environment | [
"cs.DC",
"cs.DB"
] | This paper examines how a "Distributed Heterogeneous Relational Data Warehouse" can be integrated in a Grid environment that will provide physicists with efficient access to large and small object collections drawn from databases at multiple sites. This paper investigates the requirements of Grid-enabling such a wareho... | {
"Other": 1,
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} |
cs/0306114 | D0 Data Handling Operational Experience | [
"cs.DC",
"cs.AI"
] | We report on the production experience of the D0 experiment at the Fermilab Tevatron, using the SAM data handling system with a variety of computing hardware configurations, batch systems, and mass storage strategies. We have stored more than 300 TB of data in the Fermilab Enstore mass storage system. We deliver data t... | {
"Other": 1,
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} |
cs/0306119 | A Method for Solving Distributed Service Allocation Problems | [
"cs.MA"
] | We present a method for solving service allocation problems in which a set of services must be allocated to a set of agents so as to maximize a global utility. The method is completely distributed so it can scale to any number of services without degradation. We first formalize the service allocation problem and then p... | {
"Other": 0,
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"cs.MA": 1,
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} |
cs/0306120 | Reinforcement Learning with Linear Function Approximation and LQ control
Converges | [
"cs.LG",
"cs.AI"
] | Reinforcement learning is commonly used with function approximation. However, very few positive results are known about the convergence of function approximation based RL control algorithms. In this paper we show that TD(0) and Sarsa(0) with linear function approximation is convergent for a simple class of problems, wh... | {
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"cs.MA": 0,
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"cs.SD": 0,
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"cs.SY": 0
} |
cs/0306122 | The Best Trail Algorithm for Assisted Navigation of Web Sites | [
"cs.DS",
"cs.IR"
] | We present an algorithm called the Best Trail Algorithm, which helps solve the hypertext navigation problem by automating the construction of memex-like trails through the corpus. The algorithm performs a probabilistic best-first expansion of a set of navigation trees to find relevant and compact trails. We describe th... | {
"Other": 1,
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"cs.IR": 1,
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} |
cs/0306124 | Updating Probabilities | [
"cs.AI"
] | As examples such as the Monty Hall puzzle show, applying conditioning to update a probability distribution on a ``naive space'', which does not take into account the protocol used, can often lead to counterintuitive results. Here we examine why. A criterion known as CAR (``coarsening at random'') in the statistical lit... | {
"Other": 0,
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} |
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