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Nicholson, Scott – Information Technology and Libraries, 1997
Discussion of Web databases, or search engines for the Internet, presents a series of questions that can be used to analyze these tools based on library literature. Six search engines are analyzed; collection methods, indexing, and abstracting are compared; and a proposal for a future ideal Web database is included. (Author/LRW)
Descriptors: Abstracting, Comparative Analysis, Databases, Evaluation Methods
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Baeza-Yates, Ricardo; Navarro, Gonzalo – Journal of the American Society for Information Science, 2000
Discusses indexing in large text databases, approximate text searching, and space-time tradeoffs for indexed text searching. Studies the space overhead and retrieval times as functions of the text block size, concludes that an index can be sublinear in space overhead and query time, and applies the analysis to the Web. (Author/LRW)
Descriptors: Databases, Indexes, Indexing, Information Retrieval
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Ellis, David; Ford, Nigel; Furner, Jonathan – Journal of Documentation, 1998
Indexing is the preprocessing of information to enable its retrieval, ranging from classification-based (precoordinate) to keyword searching (postcoordinate) approaches. This article describes a framework for modelling information retrieval systems in terms of sets of objects, relationships, and functions and discusses the application of indexing…
Descriptors: Classification, Databases, Hypermedia, Indexing
Turner, Laura – Book Report, 2001
Focuses on the Deep Web, defined as Web content in searchable databases of the type that can be found only by direct query. Discusses the problems of indexing; inability to find information not indexed in the search engine's database; and metasearch engines. Describes 10 sites created to access online databases or directly search them. Lists ways…
Descriptors: Access to Information, Databases, Indexing, Information Retrieval
Shabajee, Paul; Miller, Libby; Dingley, Andy – 2002
A group of research projects based at HP-Labs Bristol, the University of Bristol (England) and ARKive (a new large multimedia database project focused on the worlds biodiversity based in the United Kingdom) are working to develop a flexible model for the indexing of multimedia collections that allows users to annotate content utilizing extensible…
Descriptors: Access to Information, Biodiversity, Databases, Foreign Countries
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Savoy, Jacques – Information Processing & Management, 2003
Discusses cross-language, multilingual, and bilingual information retrieval on the Web; evaluates retrieval effectiveness of indexing and search strategies based on test collections from CLEF (Cross-Language Evaluation Forum) in English, French, German, and Italian; and suggests and evaluates database merging strategies. Appendices include…
Descriptors: Databases, English, Evaluation Methods, French
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Humphrey, Susanne M. – Journal of the American Society for Information Science, 1999
Describes a fully automated approach for indexing documents that is based on associating textwords in a training set of bibliographic citations with the indexing of journals. Discusses the use of journal descriptors (JDs) in the MEDLINE database that could also be used to search other journal articles, monographs, and Web documents. (Author/LRW)
Descriptors: Automatic Indexing, Citations (References), Databases, Journal Articles
Proceedings of the ASIS Annual Meeting, 1997
Presents abstracts of SIG Sessions. Highlights include digital collections; information retrieval methods; public interest/fair use; classification and indexing; electronic publication; funding; globalization; information technology projects; interface design; networking in developing countries; metadata; multilingual databases; networked…
Descriptors: Abstracts, Classification, Computer System Design, Databases
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Luther, Judy – Against the Grain, 2000
Discusses Web-based electronic journals for the academic market and presents a chart that includes sources of electronic journals and value added. Considers trends in collections, including remote access, outsourcing, hosting content versus linking, and subject portals; trends in access, including indexing, backfiles, and database usage; and…
Descriptors: Academic Libraries, Access to Information, Databases, Electronic Journals
Okamoto, Toshio; Nakagawa, Masaki – 1998
This paper describes the development of a case-based system for information technology (IT) education, to be used in high schools across Japan, so that teachers can share a common knowledge about IT education. The first section covers the study purpose and describes the case-based system, including registration of cases, searching cases, and…
Descriptors: Access to Information, Case Method (Teaching Technique), Class Activities, Computer Software Development