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Conventional and Knowledge-Based Information Retrieval with Prolog.
Peer reviewed Peer reviewed
Leigh, William; Paz, Noemi – Information Technology and Libraries, 1988
Describes the use of PROLOG to program knowledge-based information retrieval systems, in which the knowledge contained in a document is translated into machine processable logic. Several examples of the resulting search process, and the program rules supporting the process, are given. (10 references) (CLB)
Descriptors: Algorithms, Expert Systems, Information Retrieval, Logic
Cleanup and Deduplication of an International Bibliographic Database.
Peer reviewed Peer reviewed
Toney, Stephen R. – Information Technology and Libraries, 1992
Describes a project that improved the quality of BCIN, the bibliographic database of the Conservation Information Network, by correcting data fields and removing duplicate records. The database is described, deduplication theory is discussed and relevant literature is reviewed, algorithm development and testing is described, and results of…
Descriptors: Algorithms, Bibliographic Databases, Bibliographic Records, Error Correction
Chinese Online--Problems and Solutions.
Peer reviewed Peer reviewed
Shi, Yunhua; Larson, Ray – Information Technology and Libraries, 1990
Discusses the distinctive differences between the English and Chinese languages from the system designer's point of view and explores the potential problems for Chinese information retrieval systems, focusing on character entry and retrieval. The advantages and disadvantages of current approaches are discussed, and a regular expression search…
Descriptors: Chinese, Ideography, Information Retrieval, Information Storage
System-System Interaction in Computerized Indexing of Visual Materials: A Selected Review.
Peer reviewed Peer reviewed
Brooks, Diane – Information Technology and Libraries, 1988
Review of the literature on international computerized indexing systems for visual materials also describes technologies available for reproducing images, highlighting videotex, videodisk, and digital storage. Advances in the ability to interface these technologies with each other and with online retrieval systems are discussed. (76 notes with…
Descriptors: Automatic Indexing, Comparative Analysis, Computer Graphics, Information Retrieval
Answerman, the Expert Information Specialist: An Expert System for Retrieval of Information from Library Reference Books.
Peer reviewed Peer reviewed
Waters, Samuel T. – Information Technology and Libraries, 1986
Describes the National Agricultural Library's microcomputer-based expert system, which is designed to help users obtain answers to simple reference questions. Building of the system and its linking to external programs and systems are explained, and building of a total information system is proposed. Samples of the program are provided. (CDD)
Descriptors: Access to Information, Agriculture, Computer Software, Computer Storage Devices
Library of Congress Classification as an Online Retrieval Tool: Potentials and Limitations.
Peer reviewed Peer reviewed
Chan, Lois Mai – Information Technology and Libraries, 1986
Explores the potential usefulness of the Library of Congress Classification (LCC) system as a tool in online retrieval. Unique features of LCC are described and a theoretical analysis of its potentials and limitations in terms of subject browsing, enhanced vocabulary, and class number searching are presented. (CDD)
Descriptors: Cataloging, Classification, Dewey Decimal Classification, Information Retrieval
Web-based OPACs: Between Tradition and Innovation.
Peer reviewed Peer reviewed
Moscoso, Purificacion; Ortiz-Repiso, Virginia – Information Technology and Libraries, 1999
Analyzes the change that Internet-based OPACs (Online Public Access Catalogs) have represented to the structure, administration, and maintenance of the catalogs, retrieval systems, and user interfaces. Examines the structure of databases and traditional principles that have governed systems development. Discusses repercussions of the application…
Descriptors: Access to Information, Change, Computer Interfaces, Computer System Design
Impacts of Public Access to the Internet through Pennsylvania Public Libraries.
Peer reviewed Peer reviewed
Bertot, John Carlo; McClure, Charles R. – Information Technology and Libraries, 1997
Presents an evaluation of the OnLine at PA Libraries (1996-97) Internet-based information services and resources project for Pennsylvania residents. The project provided a statewide demonstration to improve public library services; connect public libraries to the Internet; provide a range of new services and resources to their communities; and…
Descriptors: Access to Information, Cooperative Programs, Global Approach, Information Networks