Abstract
This article presents the role of ontologies and Web mining techniques in the construction and maintenance of experts' profiles. This article also discusses the development of contemporary expertise-locator knowledge management systems and, specifically, the implementation details of two such systems: the Searchable Answer Generating Engine (SAGE), and Expert Seeker. SAGE is a Web-based expertise locator system, which searches for researchers in universities in Florida based on specified criteria, including expertise in a specific domain. Expert Seeker's purpose is to search for experts in one of the best-known knowledge organizations, the National Aeronautics and Space Administration. Implementation details, results to date, and future plans for these systems are also presented.
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