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Documentation and information --- Online Computer Library Center

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Library automation --- Bibliotheken--Informatienetwerken --- Bibliothèques--Information [Réseaux d'] --- I/T --- ICT --- IT --- Informatienetwerken in bibliotheken --- Informatietechnologie --- Information [Réseaux d' ] dans les bibliothèques --- Information [Technologie de l'] --- Information technology --- Library information networks --- Technologie de l'information --- Telecommunicatie in bibliotheken --- Telecommunication in libraries --- Telecommunications dans les bibliotheques --- informatie- en communicatietechnologie --- Libraries --- Communication systems --- Information services

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Using Subject Headings for Online Retrieval is an indispensable tool for online system designers who are grappling with developing new systems or refining existing ones. This ready reference describes subject analysis and subject searching in online catalogs, including the limitations of retrieval, and demonstrates how such limitations can be overcome through system design and programming. The practical reference also describes the Library of Congress Subject Headings (LCSH) system and system characteristics; it shows how information is stored in machine-readable files; and it offers examples of and recommendations for successful retrieval methods. Tables are included to support these recommendations, and diagrams, graphs, and bar charts are used to provide results of data analysis. Practitioners in institutions using or considering the installation of an online catalog will continuously consult this book to generate specifications. The book also appeals to researchers in library systems, information retrieval, and user behavior because it details the results of an extensive, empirical study of the subject terms entered into online systems by end users. It also addresses the needs of advanced students in library schools and instructors in library automation, information retrieval, cataloging, indexing, and user behavior. It overviews the LCSH system and system characteristics. It describes how information is stored in machine-readable files. It offers examples of and recommendations for successful retrieval methods. Empirical evidence supports recommendations.

Information retrieval --- Library automation --- Subject indexing --- Bibliografische opzoekingen [Online ] --- Bibliographic searching [Online ] --- Information en ligne --- On-line bibliographic searching --- Onderwerpsontsluiting --- Onderwerpswoorden --- Online bibliografische opzoekingen --- Online bibliographic searching --- RDAO --- RDI --- RIAO --- Recherche bibliographique en ligne --- Recherche d'information assistée par ordinateur --- Recherche documentaire assistée par ordinateur --- Recherche documentaire automatisée --- Recherche documentaire en ligne --- Recherche documentaire informatisée --- Subject headings --- Trefwoorden --- Télématique documentaire --- Vedettes-matière --- 025.43 --- Online library catalogs --- -Controlled vocabularies (Subject headings) --- Headings, Subject --- Indexing vocabularies --- Lists of subject headings --- Structured vocabularies (Subject headings) --- Subject authorities (Information retrieval) --- Subject authority files (Information retrieval) --- Subject authority records (Information retrieval) --- Subject heading lists --- Subject headings, English --- Vocabularies, Controlled (Subject headings) --- Vocabularies, Structured (Subject headings) --- Thesauri (Controlled vocabularies) --- Authority files (Information retrieval) --- Subject cataloging --- FRSAD (Conceptual model) --- Electronic information resource searching --- Searching, Bibliographical --- 025.43 Trefwoordensystemen. Thesauri. Descriptorlijsten --- Trefwoordensystemen. Thesauri. Descriptorlijsten --- Catalogs, On-line --- Library online catalogs --- On-line catalogs (Libraries) --- Online catalogs --- Online public access catalogs (Libraries) --- OPACs (Libraries) --- Library catalogs --- Online information services --- Subject access --- Recherche documentaire automatisée --- Vedettes-matière --- Subject access. --- Controlled vocabularies (Subject headings) --- Subject access in online library catalogs --- Subject retrieval in online library catalogs --- Information storage and retrieval systems --- Online bibliographic searching. --- Subject headings.

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Subject indexing --- Classificatie [Dewey decimale ] --- Classification [Dewey decimal ] --- Classification décimale de Dewey --- Classification, Dewey decimal. --- AA / International- internationaal --- 020 --- NBB multivolumes --- Classification, Dewey decimal --- 025.431 --- Ag2.1 --- Dewey decimal classification --- Classification --- Classification, Decimal --- Bibliotheekwezen: algemeenheden. --- General Library operations Dewey decimal classification --- Books --- Classification décimale de Dewey --- Congresses --- Classification, Dewey decimal - Congresses. --- Bibliotheekwezen: algemeenheden