Describes how online searchers can use a software tool based on back-of-the-book indexes to assist in dealing with search engine databases compiled by spiders that crawl across the entire Internet or through large Web sites. Discusses human versus machine knowledge, conversion of indexes to mind maps or mini-thesauri, middleware, eXtensible Markup…

Examines the three types of "Aska" services and reviews specific examples. The first claims a user can ask a question in natural language and receive and intelligible response. The second puts the user online with a professional searcher. The third consists of access routes to "experts." Discusses subject-specific expert…