A Semi Discrete Matrix Decomposition For Latent Semantic Indexing In Information Retrieval

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A Semi-discrete Matrix Decomposition for Latent Semantic Indexing in Information Retrieval

Author : Tamara Gibson Kolda
Publisher :
ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (463 download)

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Book Synopsis A Semi-discrete Matrix Decomposition for Latent Semantic Indexing in Information Retrieval by : Tamara Gibson Kolda

Download or read book A Semi-discrete Matrix Decomposition for Latent Semantic Indexing in Information Retrieval written by Tamara Gibson Kolda and published by . This book was released on 1996 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: The vast amount of textual information available today is useless unless it can be effectively and efficiently searched. In information retrieval, we wish to match queries with relevant documents. Documents can be represented by the terms that appear within them, but literal matching of terms does not necessarily retrieve all relevant documents. Latent Semantic Indexing represents documents by approximations and tends to cluster documents on similar topics even if their term profiles are somewhat different. This approximate representation is usually accomplished using a low-rank singular value decomposition (SVD) approximation. In this paper, we use an alternate decomposition, the semi-discrete decomposition (SDD). In our tests, for equal query times, the SDD does as well as the SVD and uses less than one-tenth the storage. Additionally, we show how to update the SDD for a dynamically changing document collection.

Latent Semantic Indexing Via a Semi-discrete Matrix Decomposition

Author : Tamara Gibson Kolda
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (457 download)

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Book Synopsis Latent Semantic Indexing Via a Semi-discrete Matrix Decomposition by : Tamara Gibson Kolda

Download or read book Latent Semantic Indexing Via a Semi-discrete Matrix Decomposition written by Tamara Gibson Kolda and published by . This book was released on 1996 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the electronic storage of documents comes the possibility of building search engines that can automatically choose documents relevant to a given set of topics. In information retrieval, we wish to match queries with relevant documents. Documents can be represented by the terms that appear within them, but literal matching of terms does not necessarily retrieve all relevant documents. There are a number of information retrieval systems based on inexact matches. Latent Semantic Indexing represents documents by approximations and tends to cluster documents on similar topics even if their term profiles are somewhat different. This approximate representation is usually accomplished using a low-rank singular value decomposition (SVD) approximation. In this paper, we use an alternate decomposition, the semi-discrete decomposition (SDD). For equal query times, the SDD does as well as the SVD and uses less than one-tenth the storage for the MEDLINE test set.

Handbook of Latent Semantic Analysis

Author : Thomas K. Landauer
Publisher : Psychology Press
ISBN 13 : 1135603286
Total Pages : 545 pages
Book Rating : 4.1/5 (356 download)

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Book Synopsis Handbook of Latent Semantic Analysis by : Thomas K. Landauer

Download or read book Handbook of Latent Semantic Analysis written by Thomas K. Landauer and published by Psychology Press. This book was released on 2007-02-15 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook of Latent Semantic Analysis is the authoritative reference for the theory behind Latent Semantic Analysis (LSA), a burgeoning mathematical method used to analyze how words make meaning, with the desired outcome to program machines to understand human commands via natural language rather than strict programming protocols. The first book

Computational Information Retrieval

Author : Michael W. Berry
Publisher : SIAM
ISBN 13 : 9780898715002
Total Pages : 206 pages
Book Rating : 4.7/5 (15 download)

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Book Synopsis Computational Information Retrieval by : Michael W. Berry

Download or read book Computational Information Retrieval written by Michael W. Berry and published by SIAM. This book was released on 2001-01-01 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains selected papers that focus on the use of linear algebra, computational statistics, and computer science in the development of algorithms and software systems for text retrieval. Experts in information modeling and retrieval share their perspectives on the design of scalable but precise text retrieval systems, revealing many of the challenges and obstacles that mathematical and statistical models must overcome to be viable for automated text processing. This very useful proceedings is an excellent companion for courses in information retrieval, applied linear algebra, and applied statistics.

Latent Semantic Mapping

Author : Jerome R. Bellegarda
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1598291041
Total Pages : 113 pages
Book Rating : 4.5/5 (982 download)

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Book Synopsis Latent Semantic Mapping by : Jerome R. Bellegarda

Download or read book Latent Semantic Mapping written by Jerome R. Bellegarda and published by Morgan & Claypool Publishers. This book was released on 2007 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: In information retrieval, Latent Semantic Mapping enables retrieval on the basis of conceptual content instead of merely matching words between queries and documents. It operates under the assumption that there is some latent semantic structure in the data, which is partially obscured by the randomness of word choice with respect to retrieval. Algebraic and/or statistical techniques are brought to bear to estimate this structure and get rid of the obscuring "noise." This results in a parsimonious continuous parameter description of words and documents, which then replaces the original parameterization in indexing and retrieval.This monograph gives a general overview of the framework and underscores the multi-faceted benefits it can bring to a number of problems in natural language understanding and spoken language processing. It concludes with a discussion of the inherent trade-offs associated with the approach and some perspectives on its general applicability to unsupervised information extraction.

The Mathematics of Information Coding, Extraction and Distribution

Author : George Cybenko
Publisher : Springer Science & Business Media
ISBN 13 : 1461215242
Total Pages : 142 pages
Book Rating : 4.4/5 (612 download)

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Book Synopsis The Mathematics of Information Coding, Extraction and Distribution by : George Cybenko

Download or read book The Mathematics of Information Coding, Extraction and Distribution written by George Cybenko and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: High performance computing consumes and generates vast amounts of data, and the storage, retrieval, and transmission of this data are major obstacles to effective use of computing power. Challenges inherent in all of these operations are security, speed, reliability, authentication and reproducibility. This workshop focused on a wide variety of technical results aimed at meeting these challenges. Topics ranging from the mathematics of coding theory to the practicalities of copyright preservation for Internet resources drew spirited discussion and interaction among experts in diverse but related fields. We hope this volume contributes to continuing this dialogue.

Understanding Complex Datasets

Author : David Skillicorn
Publisher : CRC Press
ISBN 13 : 1584888334
Total Pages : 268 pages
Book Rating : 4.5/5 (848 download)

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Book Synopsis Understanding Complex Datasets by : David Skillicorn

Download or read book Understanding Complex Datasets written by David Skillicorn and published by CRC Press. This book was released on 2007-05-17 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Making obscure knowledge about matrix decompositions widely available, Understanding Complex Datasets: Data Mining with Matrix Decompositions discusses the most common matrix decompositions and shows how they can be used to analyze large datasets in a broad range of application areas. Without having to understand every mathematical detail, the book

Information Modelling and Knowledge Bases XVI

Author : Yasushi Kiyoki
Publisher : IOS Press
ISBN 13 : 9781586034979
Total Pages : 372 pages
Book Rating : 4.0/5 (349 download)

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Book Synopsis Information Modelling and Knowledge Bases XVI by : Yasushi Kiyoki

Download or read book Information Modelling and Knowledge Bases XVI written by Yasushi Kiyoki and published by IOS Press. This book was released on 2005 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modelling of information is necessary in developing information systems. Information is acquired from many sources, by using various methods and tools. It must be recognized, conceptualized, and conceptually organized efficiently so that users can easily understand and use it. Modelling is needed to understand, explain, organize, predict, and reason on information. It also helps to master the role and functions of components of information systems. Modelling can be performed with many different purposes in mind, at different levels, and by using different notions and different background theories. It can be made by emphasizing users' conceptual understanding of information on a domain level, on an algorithmic level, or on representation levels. On each level, the objects and structures used on them are different, and different rules govern the behavior on them. Therefore the notions, rules, theories, languages, and methods for modelling on different levels are also different. It will be useful if we can develop theories and methodologies for modelling, to be used in different situations, because databases, knowledge bases, and repositories in knowledge management systems, developed on the basis of models and used to technically store information, are growing day by day. In this publication, the interest is focused on modelling of information, and one of the central topics is modelling of time. Scientific and technical papers of high quality are brought together in this book.

Proceedings of the First International Scientific Conference “Intelligent Information Technologies for Industry” (IITI’16)

Author : Ajith Abraham
Publisher : Springer
ISBN 13 : 3319336096
Total Pages : 488 pages
Book Rating : 4.3/5 (193 download)

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Book Synopsis Proceedings of the First International Scientific Conference “Intelligent Information Technologies for Industry” (IITI’16) by : Ajith Abraham

Download or read book Proceedings of the First International Scientific Conference “Intelligent Information Technologies for Industry” (IITI’16) written by Ajith Abraham and published by Springer. This book was released on 2016-05-10 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of Advances in Intelligent Systems and Computing contains papers presented in the main track of IITI 2016, the First International Conference on Intelligent Information Technologies for Industry held in May 16-21 in Sochi, Russia. The conference was jointly co-organized by Rostov State Transport University (Russia) and VŠB – Technical University of Ostrava (Czech Republic) with the participation of Russian Association for Artificial Intelligence (RAAI) and Russian Association for Fuzzy Systems and Soft Computing (RAFSSC). The volume is devoted to practical models and industrial applications related to intelligent information systems. The conference has been a meeting point for researchers and practitioners to enable the implementation of advanced information technologies into various industries. Nevertheless, some theoretical talks concerning the-state-of-the-art in intelligent systems and soft computing are included in the proceedings as well.

Information Modelling and Knowledge Bases XV

Author : Yasushi Kiyoki
Publisher : IOS Press
ISBN 13 : 9781586033965
Total Pages : 348 pages
Book Rating : 4.0/5 (339 download)

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Book Synopsis Information Modelling and Knowledge Bases XV by : Yasushi Kiyoki

Download or read book Information Modelling and Knowledge Bases XV written by Yasushi Kiyoki and published by IOS Press. This book was released on 2004 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will provide research communities in Europe and Japan with an overview of scientific results and experiences achieved using innovative methods and approaches in computer science and other disciplines, which have a common interest in understanding and solving problems on information modelling and knowledge bases, as.

Intelligent Multimedia Databases and Information Retrieval: Advancing Applications and Technologies

Author : Yan, Li
Publisher : IGI Global
ISBN 13 : 1613501277
Total Pages : 334 pages
Book Rating : 4.6/5 (135 download)

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Book Synopsis Intelligent Multimedia Databases and Information Retrieval: Advancing Applications and Technologies by : Yan, Li

Download or read book Intelligent Multimedia Databases and Information Retrieval: Advancing Applications and Technologies written by Yan, Li and published by IGI Global. This book was released on 2011-09-30 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: As consumer costs for multimedia devices such as digital cameras and Web phones have decreased and diversity in the market has skyrocketed, the amount of digital information has grown considerably. Intelligent Multimedia Databases and Information Retrieval: Advancing Applications and Technologies details the latest information retrieval technologies and applications, the research surrounding the field, and the methodologies and design related to multimedia databases. Together with academic researchers and developers from both information retrieval and artificial intelligence fields, this book details issues and semantics of data retrieval with contributions from around the globe. As the information and data from multimedia databases continues to expand, the research and documentation surrounding it should keep pace as best as possible, and this book provides an excellent resource for the latest developments.

Understanding High-Dimensional Spaces

Author : David B. Skillicorn
Publisher : Springer Science & Business Media
ISBN 13 : 3642333982
Total Pages : 109 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Understanding High-Dimensional Spaces by : David B. Skillicorn

Download or read book Understanding High-Dimensional Spaces written by David B. Skillicorn and published by Springer Science & Business Media. This book was released on 2012-09-24 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-dimensional spaces arise as a way of modelling datasets with many attributes. Such a dataset can be directly represented in a space spanned by its attributes, with each record represented as a point in the space with its position depending on its attribute values. Such spaces are not easy to work with because of their high dimensionality: our intuition about space is not reliable, and measures such as distance do not provide as clear information as we might expect. There are three main areas where complex high dimensionality and large datasets arise naturally: data collected by online retailers, preference sites, and social media sites, and customer relationship databases, where there are large but sparse records available for each individual; data derived from text and speech, where the attributes are words and so the corresponding datasets are wide, and sparse; and data collected for security, defense, law enforcement, and intelligence purposes, where the datasets are large and wide. Such datasets are usually understood either by finding the set of clusters they contain or by looking for the outliers, but these strategies conceal subtleties that are often ignored. In this book the author suggests new ways of thinking about high-dimensional spaces using two models: a skeleton that relates the clusters to one another; and boundaries in the empty space between clusters that provide new perspectives on outliers and on outlying regions. The book will be of value to practitioners, graduate students and researchers.

Intelligence and Security Informatics

Author : Hsinchun Chen
Publisher : Springer Science & Business Media
ISBN 13 : 3540333614
Total Pages : 197 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Intelligence and Security Informatics by : Hsinchun Chen

Download or read book Intelligence and Security Informatics written by Hsinchun Chen and published by Springer Science & Business Media. This book was released on 2006 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the International Workshop on Intelligence and Security Informatics, WISI 2006, held in Singapore in conjunction with the 10th Pacific-Asia Conference on Knowledge Discovery and Data Mining. The 32 papers presented together with the abstract of the keynote talk were carefully reviewed. The papers are organized in sections on Web and text mining for terrorism informatics, cybercrime analysis, network security, and crime data mining.

Security and Privacy in the Age of Uncertainty

Author : Sabrina de Capitani di Vimercati
Publisher : Springer
ISBN 13 : 0387356916
Total Pages : 509 pages
Book Rating : 4.3/5 (873 download)

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Book Synopsis Security and Privacy in the Age of Uncertainty by : Sabrina de Capitani di Vimercati

Download or read book Security and Privacy in the Age of Uncertainty written by Sabrina de Capitani di Vimercati and published by Springer. This book was released on 2013-06-29 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: Security and Privacy in the Age of Uncertainty covers issues related to security and privacy of information in a wide range of applications including: *Secure Networks and Distributed Systems; *Secure Multicast Communication and Secure Mobile Networks; *Intrusion Prevention and Detection; *Access Control Policies and Models; *Security Protocols; *Security and Control of IT in Society. This volume contains the papers selected for presentation at the 18th International Conference on Information Security (SEC2003) and at the associated workshops. The conference and workshops were sponsored by the International Federation for Information Processing (IFIP) and held in Athens, Greece in May 2003.

Knowledge Discovery for Counterterrorism and Law Enforcement

Author : David Skillicorn
Publisher : CRC Press
ISBN 13 : 1420074008
Total Pages : 352 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Knowledge Discovery for Counterterrorism and Law Enforcement by : David Skillicorn

Download or read book Knowledge Discovery for Counterterrorism and Law Enforcement written by David Skillicorn and published by CRC Press. This book was released on 2008-11-13 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most of the research aimed at counterterrorism, fraud detection, or other forensic applications assumes that this is a specialized application domain for mainstream knowledge discovery. Unfortunately, knowledge discovery changes completely when the datasets being used have been manipulated in order to conceal some underlying activity. Knowledge Dis

SIAM Journal on Matrix Analysis and Applications

Author :
Publisher :
ISBN 13 :
Total Pages : 640 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis SIAM Journal on Matrix Analysis and Applications by :

Download or read book SIAM Journal on Matrix Analysis and Applications written by and published by . This book was released on 2005 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Inverse Eigenvalue Problems

Author : Moody Chu
Publisher : OUP Oxford
ISBN 13 : 0191524220
Total Pages : 406 pages
Book Rating : 4.1/5 (915 download)

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Book Synopsis Inverse Eigenvalue Problems by : Moody Chu

Download or read book Inverse Eigenvalue Problems written by Moody Chu and published by OUP Oxford. This book was released on 2005-06-16 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inverse eigenvalue problems arise in a remarkable variety of applications and associated with any inverse eigenvalue problem are two fundamental questions—the theoretical issue of solvability and the practical issue of computability. Both questions are difficult and challenging. In this text, the authors discuss the fundamental questions, some known results, many applications, mathematical properties, a variety of numerical techniques, as well as several open problems. This is the first book in the authoritative Numerical Mathematics and Scientific Computation series to cover numerical linear algebra, a broad area of numerical analysis. Authored by two world-renowned researchers, the book is aimed at graduates and researchers in applied mathematics, engineering and computer science and makes an ideal graduate text.