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Savoy, Jacques; Picard, Justin – Information Processing & Management, 2001
Discusses the role of search engines in Web usability and analyzes and evaluates the retrieval effectiveness of various indexing and searching strategies on a new Web text collection. Highlights include preprocessing techniques that might improve retrieval effectiveness; and hyperlinks as useful sources of evidence in improving retrieval…
Descriptors: Algorithms, Indexing, Information Retrieval, Search Strategies

Chen, Hsinchun; Lally, Ann M.; Zhu, Bin; Chau, Michael – Journal of the American Society for Information Science and Technology, 2003
Discussion of the information needs of medical professionals and researchers focuses on the architecture of a Web portal designed to integrate advanced searching and indexing algorithms, an automatic thesaurus, and self-organizing map technologies to provide searchers with fine-grained results. Reports results of evaluation of spider algorithms…
Descriptors: Algorithms, Evaluation Methods, Indexing, Information Needs

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

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

Jacso, Peter – Online Information Review, 2001
Describes indexes to Web resources that have been created by librarians to be more discriminating than the usual Web search engines, some of which are organized by standard classification systems. Includes indexes by solo librarians as well as by groups of librarians, some in public libraries and some in higher education. (LRW)
Descriptors: Classification, Higher Education, Indexing, Librarians
Courtois, Martin P. – Online, 1996
Examines trends in World Wide Web searching; reviews new search services; and describes changes in major Web search services. Highlights include commercial sites, subject access, target audience, custom interfaces, concept searching, and results lists. (LRW)
Descriptors: Audience Analysis, Computer Interfaces, Computer Software Reviews, Indexing

Fast, Karl V.; Campbell, D. Grant – Canadian Journal of Information and Library Science, 2001
Compares the implied ontological frameworks of the Open Archives Initiative Protocol for Metadata Harvesting and the World Wide Web Consortium's Semantic Web. Discusses current search engine technology, semantic markup, indexing principles of special libraries and online databases, and componentization and the distinction between data and…
Descriptors: Comparative Analysis, Data, Indexing, Metadata
Armstrong, Rhonda; Flanagan, Lynn – 1997
This paper presents the most important concepts and techniques to use in successfully searching the major World Wide Web search engines and directories, explains the basics of how search engines work, and describes what is included in their indexes. Following an introduction that gives an overview of Web directories and search engines, the first…
Descriptors: Access to Information, Directories, Indexes, Indexing
Nanfito, Michael – Information Outlook, 1999
Describes the development of Java-based software to use controlled vocabularies and subject headings in the cataloging of Web-based HTML articles on a subject-specific legal resources Web site. Topics include requirements for cataloging and for searching; data structure; software required; and metadata with Dublin Core requirements. (LRW)
Descriptors: Cataloging, Computer Software, Computer Software Development, Indexing

Green, David – Online Information Review, 2000
Explores the interrelation between Web publishing and information retrieval technologies and lists new approaches to Web indexing and searching. Highlights include Web directories; search engines; portalisation; Internet service providers; browser providers; meta search engines; popularity based analysis; natural language searching; links-based…
Descriptors: Electronic Publishing, Futures (of Society), Indexing, Information Retrieval

Yang, Christopher C.; Chung, Alan – Journal of the American Society for Information Science and Technology, 2002
Discusses problems when searching the Web for financial information and presents a personal agent that utilizes user profiles and user relevance feedback to search for Chinese Web financial news articles on behalf of users. Explains the development of a Chinese indexing component and describes experiments that measured the performance of the…
Descriptors: Chinese, Indexing, Measurement Techniques, Relevance (Information Retrieval)

Cohen, Sara; Kanza, Yaron; Kogan, Yakov; Sagiv, Yehoshua; Nutt, Werner; Serebrenik, Alexander – Journal of the American Society for Information Science and Technology, 2002
Describes EquiX, a search language for XML that combines querying with searching to query the data and the meta-data content of Web pages. Topics include search engines; a data model for XML documents; search query syntax; search query semantics; an algorithm for evaluating a query on a document; and indexing EquiX queries. (LRW)
Descriptors: Algorithms, Evaluation Methods, Indexing, Information Retrieval

Epp, Mary Ann – Canadian Journal of Educational Communication, 1997
Describes a study that was conducted to identify, describe, and analyze the document representations of Web sites revealed in the hit list of subject searches conducted by four search engines: AltaVista, infoseek Ultra, Lycos, and Open Text Index. Problems are discussed, and implications for Web page design are considered. (LRW)
Descriptors: Computer Graphics, Design Requirements, Indexing, Information Retrieval
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
Jansen, Bernard J. – 2002
End user searching on the Web has become the primary method of locating images for many people. This study investigates the nature of Web image queries by attempting to map them to known image classification schemes. In this study, approximately 100,000 image queries from a major Web search engine were collected in 1997, 1999, and 2001. A…
Descriptors: Classification, Computer System Design, Indexing, Information Retrieval
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