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Precision and Recall in Title Keyword Searches.
Peer reviewed Peer reviewed
McJunkin, Monica Cahill – Information Technology and Libraries, 1995
Presents results of a study that examined the effectiveness of adjacency operators in improving precision and recall in FirstSearch title keyword searches. Compared subject headings of retrieved items to sample title subject headings and discovered that when keywords were limited in meaning and adjacency operators were used, precision was…
Descriptors: Comparative Analysis, Improvement, Online Searching, Relevance (Information Retrieval)
A Comparison of OCLC and WLN Hit Rates for Monographs and an Analysis of the Types of Records Retrieved.
Peer reviewed Peer reviewed
Ross, Rosemary E. – Information Technology and Libraries, 1993
Describes a study that was conducted to determine the types of records found in OCLC and WLN (Washington Library Network) for new monographs being cataloged at the Central Washington University library. Highlights include a summary of pertinent literature; hit rates; classification numbers; duplicate records; and serial and monograph records.…
Descriptors: Bibliographic Records, Bibliographic Utilities, Classification, Comparative Analysis
Access to Periodicals: Search Key versus Keyword.
Peer reviewed Peer reviewed
Golden, Susan U.; Golden, Gary A. – Information Technology and Libraries, 1983
Retrievability of titles of 152 periodicals were compared in a fixed-length algorithmic search (Library Computer System) and a keyword search (Washington Library Network) to determine which type of search algorithm is more successful with titles of varying lengths. Three references and a list of English language stopwords are appended. (EJS)
Descriptors: Comparative Analysis, Databases, Information Retrieval, Library Automation
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
Online Music Symbol Retrieval from the Access Angle.
Peer reviewed Peer reviewed
Henigman, Barbara; Burbank, Richard D. – Information Technology and Libraries, 1995
Discusses results of a survey of music technical services librarians that investigated retrieval problems with the symbols for sharp and flat in music notation in online catalogs. Comparisons are made with an earlier study of online catalog vendors, and a list of institutions surveyed and the questionnaire used are appended. (LRW)
Descriptors: Access to Information, Comparative Analysis, Information Retrieval, Library Catalogs
Web Indexing with Meta Fields: A Survey of Web Objects in Polymer Chemistry.
Peer reviewed Peer reviewed
Qin, Jian; Wesley, Kathryn – Information Technology and Libraries, 1998
This survey of 1037 World Wide Web objects on polymer chemistry collected by four search engines (AltaVista, Lycos, Excite, Webcrawler) examined document information and use of meta fields, images, and chemical names. Found that the use of meta fields was not widespread and that knowledge of meta fields in HTML varied among Web object creators.…
Descriptors: Cataloging, Chemical Nomenclature, Chemistry, Comparative Analysis
How To Succeed in Promoting Your Web Site: The Impact of Search Engine Registration on Retrieval of a World Wide Web Site.
Peer reviewed Peer reviewed
Tunender, Heather; Ervin, Jane – Information Technology and Libraries, 1998
Character strings were planted in a World Wide Web site (Project Whistlestop) to test indexing and retrieval rates of five Web search tools (Lycos, infoseek, AltaVista, Yahoo, Excite). It was found that search tools indexed few of the planted character strings, none indexed the META descriptor tag, and only Excite indexed into the 3rd-4th site…
Descriptors: Access to Information, Automatic Indexing, Comparative Analysis, Computer Software Evaluation
Bibliographic Displays in OPACs and Web Catalogs: How Well Do They Comply with Display Guidelines?
Peer reviewed Peer reviewed
Cherry, Joan M. – Information Technology and Libraries, 1998
Evaluation of data from assessments of full bibliographic displays in academic library OPACs (online public access catalogs) and World Wide Web catalogs against a checklist of desirable features found that OPAC displays scored 58% and Web displays scored 60%. Discusses weaknesses, focusing on those found in the majority of the displays…
Descriptors: Academic Libraries, Bibliographic Records, Check Lists, Comparative Analysis