Discusses the deficiencies of search engines and the importance of metadata and examines three models of metadata retrieval: distributed; distributed data with a centralized index; and centralized union catalog. Highlights include the Z39.50 protocol; the OAI (Open Archives Initiative) protocol; virtual union catalogs; and a pan-European model.…

Discusses subject gateway sites and commercial search engines for the Web and presents an explanation of Google's PageRank algorithm. The principle question addressed is the conditions under which a gateway site will increase the likelihood that a target page is found in search engines. (LRW)

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)

Discussion of scholarly Web pages that are not accessible through standard search engines focuses on the development of automatic extraction techniques that combine lexical and syntactic analyses with heuristics. Topics include information analysis and extraction techniques; citation standards; publication index Web pages; and performance…

Explains desktop metasearch engines, which search the databases of several search engines simultaneously. Reviews two particular versions, the Copernic 2001 Pro and the BullsEye Pro 3, comparing costs, subject categories, display capabilities, and layout for presenting results. (LRW)