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Memory Efficient Ranking.
Peer reviewed Peer reviewed
Moffat, Alistair; And Others – Information Processing & Management, 1994
Describes an approximate document ranking process that uses a compact array of in-memory, low-precision approximations for document length. Combined with another rule for reducing the memory required by partial similarity accumulators, the approximation heuristic allows the ranking of large document collections using less than one byte of memory…
Descriptors: Database Design, Database Management Systems, Full Text Databases, Information Retrieval
Content Evaluation of Textual CD-ROM and Web Databases. Database Searching Series.
Jacso, Peter – 2001
This book provides guidelines for evaluating a variety of database types, including abstracting and indexing, directory, full-text, and page-image databases available in online and/or CD-ROM formats. The book discusses the purpose and techniques of comparing and evaluating the most important characteristics of textual databases, such as their…
Descriptors: Abstracts, Comparative Analysis, Database Design, Databases
Chicano Database on CD-ROM. Product Review.
Peer reviewed Peer reviewed
Carter, Christina E. – Multicultural Review, 1992
With more than 38,000 references to journal articles, books, book chapters, and reports on Mexican Americans, the Chicano database offers the most comprehensive access to information on one of the largest ethnic groups in the United States. It is a model for other ethnic CD-ROM projects. (SLD)
Descriptors: Citations (References), Database Producers, Databases, Ethnic Groups
A Systematic Approach to Compressing a Full-Text Retrieval System.
Peer reviewed Peer reviewed
Bookstein, Abraham; And Others – Information Processing and Management, 1992
Discusses the problems of compressing a large textual database for storage on CD-ROM. A text-compression algorithm is presented, new algorithms for compression of indices are described, and the ARTFL (American and French Research on the Treasury of the French Language) database is used as an example. (14 references) (LRW)
Descriptors: Algorithms, Coding, Full Text Databases, Indexes
Introducing Numeric CD-ROMs in Your Library: Challenges and Issues.
Rieger, Oya Y. – Microcomputers for Information Management, 1993
Focuses on four issues related to providing government numeric databases in libraries: hardware, access software, staff skills, and organizing services. Basic, intermediate, and advanced levels of service and a guide for selecting an appropriate level are presented. Examples of screens from actual searches are included. (Contains eight…
Descriptors: Computer Software, Costs, Government Publications, Library Services
Selecting Electronic Alternatives.
Peer reviewed Peer reviewed
Meyer, Richard W. – Information Technology and Libraries, 1993
Offers a model for choosing among CD-ROM, end user access, mediated online searching, or locally mounted files as alternatives for extending online catalogs and replacing printed indexes. Estimates of demand and comparisons of costs made at Trinity and Clemson Universities provide a quantitative framework for selection. (Contains four references.)…
Descriptors: Academic Libraries, Comparative Analysis, Costs, Databases
End-User Studies in CD-ROM Environment: Work in Progress.
Balaraman, Kamala – Proceedings of the ASIS Annual Meeting, 1991
Describes preliminary results of a study that examined the effect of individual differences on the use of CD-ROM databases by novice undergraduate users. Factors considered include age, sex, native language, major, computer literacy, computer affinity, personality traits, learning style, visual ability, and perceived usefulness of the system. A…
Descriptors: Academic Libraries, Correlation, Databases, Higher Education