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The Thesaurus In Retrieval
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Book Synopsis Thesaurus Construction and Use by : Jean Aitchison
Download or read book Thesaurus Construction and Use written by Jean Aitchison and published by Routledge. This book was released on 2003-09-02 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: A practical guide to the construction of thesauri for use in information retrieval, written by leading experts in the field. Includes: planning and design; vocabulary control; specificity and compound terms; structure and relationships; auxiliary retrieval devices; multilingual thesauri; AAT Compound Term Rules. The US ANSI/NISO Z39.19 Thesaurus construction standard is also covered.
Book Synopsis Essential Thesaurus Construction by : Vanda Broughton
Download or read book Essential Thesaurus Construction written by Vanda Broughton and published by Facet Publishing. This book was released on 2006 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many information professionals working in small units today fail to find the published tools for subject based organization that are appropriate to their local needs, whether they are archivists, special librarians, information officers, or knowledge or content managers. Large established standards for document description and organization are too unwieldy, unnecessarily detailed, or too expensive to install and maintain. In other cases the available systems are insufficient for a specialist environment, or don't bring things together in a helpful way. A purpose built, in-house system would seem to be the answer, but too often the skills necessary to create one are lacking. This practical text examines the criteria relevant to the selection of a subject management system, describes the characteristics of some common types of subject tool, and takes the novice step-by-step through the process of creating a system for a specialist environment. The methodology employed is a standard technique for the building of a thesaurus that incidentally creates a compatible classification or taxonomy, both of which may be used in a variety of ways for document or information management. Key areas covered are: What is a thesaurus? Tools for subject access and retrieval What a thesaurus is used for Why use a thesaurus? Examples of thesauri The structure of a thesaurus Thesaural relations Practical thesaurus construction The vocabulary of the thesaurus Building the systematic structure Conversion to alphabetic format Forms of entry in the thesaurus Maintaining the thesaurus Thesaurus software The wider environment. Readership: Although primarily aimed at the practising information professional, the book is also suitable for students of library and information science.
Book Synopsis Explorations in Automatic Thesaurus Discovery by : Gregory Grefenstette
Download or read book Explorations in Automatic Thesaurus Discovery written by Gregory Grefenstette and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explorations in Automatic Thesaurus Discovery presents an automated method for creating a first-draft thesaurus from raw text. It describes natural processing steps of tokenization, surface syntactic analysis, and syntactic attribute extraction. From these attributes, word and term similarity is calculated and a thesaurus is created showing important common terms and their relation to each other, common verb--noun pairings, common expressions, and word family members. The techniques are tested on twenty different corpora ranging from baseball newsgroups, assassination archives, medical X-ray reports, abstracts on AIDS, to encyclopedia articles on animals, even on the text of the book itself. The corpora range from 40,000 to 6 million characters of text, and results are presented for each in the Appendix. The methods described in the book have undergone extensive evaluation. Their time and space complexity are shown to be modest. The results are shown to converge to a stable state as the corpus grows. The similarities calculated are compared to those produced by psychological testing. A method of evaluation using Artificial Synonyms is tested. Gold Standards evaluation show that techniques significantly outperform non-linguistic-based techniques for the most important words in corpora. Explorations in Automatic Thesaurus Discovery includes applications to the fields of information retrieval using established testbeds, existing thesaural enrichment, semantic analysis. Also included are applications showing how to create, implement, and test a first-draft thesaurus.
Download or read book The Thesaurus written by Sandra K. Roe and published by Routledge. This book was released on 2013-04-15 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Use this single source to uncover the origin and development of the thesaurus! The Thesaurus: Review, Renaissance, and Revision examines the historical development of the thesaurus and the standards employed for thesaurus construction. This book provides both the history of thesauri and tutorials on usage to increase your understanding of thesaurus creation, use, and evaluation. This reference tool offers essential information on thesauri in the digital environment, including Web sites, databases, and software. For 50 years, the thesaurus has been a core reference book; The Thesaurus: Review, Renaissance, and Revision celebrates this history and speculates on the future of vocabulary-switching tools. This book will familiarize you with contemporary and emerging functions of thesauri, including international and multilingual developments. The Thesaurus: Review, Renaissance, and Revision provides information and library professionals—including indexers, abstractors, subject catalogers, classifiers, and reference librarians—a historical overview of the thesaurus and its past as well as recent developments. This book also gives patrons, readers, and researchers more effective techniques in vocabulary management and offers insight on how thesauri are devised and compiled. This book addresses: changing definitions, characteristics, functions, and applications of thesauri the value of standards, evaluation, use and review of software, and role and work of consultants during thesauri construction and maintenance multicultural issues that affect thesauri creation, such as mapping and interoperability education and training The Thesaurus: Review, Renaissance, and Revision also provides you with extensive bibliographies related to issues and problems in thesaurus construction and design, such as developing standards in support of electronic thesauri.
Book Synopsis Introduction to Information Retrieval by : Christopher D. Manning
Download or read book Introduction to Information Retrieval written by Christopher D. Manning and published by Cambridge University Press. This book was released on 2008-07-07 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Class-tested and coherent, this textbook teaches classical and web information retrieval, including web search and the related areas of text classification and text clustering from basic concepts. It gives an up-to-date treatment of all aspects of the design and implementation of systems for gathering, indexing, and searching documents; methods for evaluating systems; and an introduction to the use of machine learning methods on text collections. All the important ideas are explained using examples and figures, making it perfect for introductory courses in information retrieval for advanced undergraduates and graduate students in computer science. Based on feedback from extensive classroom experience, the book has been carefully structured in order to make teaching more natural and effective. Slides and additional exercises (with solutions for lecturers) are also available through the book's supporting website to help course instructors prepare their lectures.
Book Synopsis Introduction to Controlled Vocabularies by : Patricia Harpring
Download or read book Introduction to Controlled Vocabularies written by Patricia Harpring and published by Getty Publications. This book was released on 2010-04-13 with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt: This detailed book is a “how-to” guide to building controlled vocabulary tools, cataloging and indexing cultural materials with terms and names from controlled vocabularies, and using vocabularies in search engines and databases to enhance discovery and retrieval online. Also covered are the following: What are controlled vocabularies and why are they useful? Which vocabularies exist for cataloging art and cultural objects? How should they be integrated in a cataloging system? How should they be used for indexing and for retrieval? How should an institution construct a local authority file? The links in a controlled vocabulary ensure that relationships are defined and maintained for both cataloging and retrieval, clarifying whether a rose window and a Catherine wheel are the same thing, or how pot-metal glass is related to the more general term stained glass. The book provides organizations and individuals with a practical tool for creating and implementing vocabularies as reference tools, sources of documentation, and powerful enhancements for online searching.
Book Synopsis Indexing Languages and Thesauri: Construction and Maintenance by : Dagobert Soergel
Download or read book Indexing Languages and Thesauri: Construction and Maintenance written by Dagobert Soergel and published by Los Angeles : Melville Publishing Company. This book was released on 1974 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: Review of functions and present state of the art.
Book Synopsis Guidelines for the Construction, Format, and Management of Monolingual Controlled Vocabularies by : National Information Standards Organization (U.S.)
Download or read book Guidelines for the Construction, Format, and Management of Monolingual Controlled Vocabularies written by National Information Standards Organization (U.S.) and published by . This book was released on 2005 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard presents guidelines and conventions for the contents, display, construction, testing, maintenance, and management of monolingual controlled vocabularies. This Standard focuses on controlled vocabularies that are used for the representation of content objects in knowledge organization systems including lists, synonym rings, taxonomies, and the thesauri. This Standard should be regarded as a set of recommendations based on preferred techniques and procedures. Optional procedures are, however, sometimes described, e.g., for the display of terms in a controlled vocabulary. This primary purpose of vocabulary control is to achieve consistency in the description of content objects and to facilitate retrieval. Vocabulary control is accomplished by three principal methods: defining the scope, or meaning, of terms; using the equivalence relationship to link synonymous and nearly synonymous terms; and distinguishing among homographs.
Book Synopsis Searching Skills Toolkit by : Caroline De Brún
Download or read book Searching Skills Toolkit written by Caroline De Brún and published by John Wiley & Sons. This book was released on 2014-02-03 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: Searching Skills Toolkit is an expert guide to help you find the clinical evidence you need more easily and effectively. Clearly presented with useful tips and advice, flow charts, diagrams and real-life clinical scenarios, it shows the best methods for finding quality evidence. From deciding where to start, to building a search strategy, refining results and critical appraisal, it is a step-by-step guide to the process of finding healthcare evidence, and is designed for use by all health and social care professionals. This second edition has been expanded with new chapters on searching for sources to support evidence-based management decision making and how to better enable your patients to make informed choices. It has also been fully updated to include new web sources, open source reference management software, and new training resources and exercises. Searching Skills Toolkit is an ideal reference for doctors, nurses, allied health professionals, managers and decision makers, researchers and students.
Download or read book Thesaurus of ERIC Descriptors written by and published by . This book was released on 1967 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Palgrave Handbook of Digital Russia Studies by : Daria Gritsenko
Download or read book The Palgrave Handbook of Digital Russia Studies written by Daria Gritsenko and published by Palgrave MacMillan. This book was released on 2021-03-27 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access handbook presents a multidisciplinary and multifaceted perspective on how the 'digital' is simultaneously changing Russia and the research methods scholars use to study Russia. It provides a critical update on how Russian society, politics, economy, and culture are reconfigured in the context of ubiquitous connectivity and accounts for the political and societal responses to digitalization. In addition, it answers practical and methodological questions in handling Russian data and a wide array of digital methods. The volume makes a timely intervention in our understanding of the changing field of Russian Studies and is an essential guide for scholars, advanced undergraduate and graduate students studying Russia today.
Book Synopsis The Thesaurus in Retrieval by : Alan Gilchrist
Download or read book The Thesaurus in Retrieval written by Alan Gilchrist and published by . This book was released on 1971 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thesaurus Construction and Use by : Jean Aitchison
Download or read book Thesaurus Construction and Use written by Jean Aitchison and published by Routledge. This book was released on 2003-09-02 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: A practical guide to the construction of thesauri for use in information retrieval, written by leading experts in the field. Includes: planning and design; vocabulary control; specificity and compound terms; structure and relationships; auxiliary retrieval devices; multilingual thesauri; AAT Compound Term Rules. The US ANSI/NISO Z39.19 Thesaurus construction standard is also covered.
Book Synopsis Handbook of Political Communication Research by : Lynda Lee Kaid
Download or read book Handbook of Political Communication Research written by Lynda Lee Kaid and published by Routledge. This book was released on 2004-07-19 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume brings together the major thrusts of research and theory in political communication. For scholars/researchers/students in political communication, mass communication, and political science; and for readers in public opinion, political psychol
Book Synopsis Fuzzy Sets in Information Retrieval and Cluster Analysis by : S. Miyamoto
Download or read book Fuzzy Sets in Information Retrieval and Cluster Analysis written by S. Miyamoto and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present monograph intends to establish a solid link among three fields: fuzzy set theory, information retrieval, and cluster analysis. Fuzzy set theory supplies new concepts and methods for the other two fields, and provides a common frame work within which they can be reorganized. Four principal groups of readers are assumed: researchers or students who are interested in (a) application of fuzzy sets, (b) theory of information retrieval or bibliographic databases, (c) hierarchical clustering, and (d) application of methods in systems science. Readers in group (a) may notice that the fuzzy set theory used here is very simple, since only finite sets are dealt with. This simplification enables the max min algebra to deal with fuzzy relations and matrices as equivalent entities. Fuzzy graphs are also used for describing theoretical properties of fuzzy relations. This assumption of finite sets is sufficient for applying fuzzy sets to information retrieval and cluster analysis. This means that little theory, beyond the basic theory of fuzzy sets, is required. Although readers in group (b) with little background in the theory of fuzzy sets may have difficulty with a few sections, they will also find enough in this monograph to support an intuitive grasp of this new concept of fuzzy information retrieval. Chapter 4 provides fuzzy retrieval without the use of mathematical symbols. Also, fuzzy graphs will serve as an aid to the intuitive understanding of fuzzy relations.
Book Synopsis Information Retrieval Architecture and Algorithms by : Gerald Kowalski
Download or read book Information Retrieval Architecture and Algorithms written by Gerald Kowalski and published by Springer Science & Business Media. This book was released on 2010-12-01 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text presents a theoretical and practical examination of the latest developments in Information Retrieval and their application to existing systems. By starting with a functional discussion of what is needed for an information system, the reader can grasp the scope of information retrieval problems and discover the tools to resolve them. The book takes a system approach to explore every functional processing step in a system from ingest of an item to be indexed to displaying results, showing how implementation decisions add to the information retrieval goal, and thus providing the user with the needed outcome, while minimizing their resources to obtain those results. The text stresses the current migration of information retrieval from just textual to multimedia, expounding upon multimedia search, retrieval and display, as well as classic and new textual techniques. It also introduces developments in hardware, and more importantly, search architectures, such as those introduced by Google, in order to approach scalability issues. About this textbook: A first course text for advanced level courses, providing a survey of information retrieval system theory and architecture, complete with challenging exercises Approaches information retrieval from a practical systems view in order for the reader to grasp both scope and solutions Features what is achievable using existing technologies and investigates what deficiencies warrant additional exploration
Book Synopsis Information Storage and Retrieval Systems by : Gerald J. Kowalski
Download or read book Information Storage and Retrieval Systems written by Gerald J. Kowalski and published by Springer Science & Business Media. This book was released on 2005-11-19 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chapter 1 places into perspective a total Information Storage and Retrieval System. This perspective introduces new challenges to the problems that need to be theoretically addressed and commercially implemented. Ten years ago commercial implementation of the algorithms being developed was not realistic, allowing theoreticians to limit their focus to very specific areas. Bounding a problem is still essential in deriving theoretical results. But the commercialization and insertion of this technology into systems like the Internet that are widely being used changes the way problems are bounded. From a theoretical perspective, efficient scalability of algorithms to systems with gigabytes and terabytes of data, operating with minimal user search statement information, and making maximum use of all functional aspects of an information system need to be considered. The dissemination systems using persistent indexes or mail files to modify ranking algorithms and combining the search of structured information fields and free text into a consolidated weighted output are examples of potential new areas of investigation. The best way for the theoretician or the commercial developer to understand the importance of problems to be solved is to place them in the context of a total vision of a complete system. Understanding the differences between Digital Libraries and Information Retrieval Systems will add an additional dimension to the potential future development of systems. The collaborative aspects of digital libraries can be viewed as a new source of information that dynamically could interact with information retrieval techniques.
