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Intelligent Search for Experts Using Fuzzy Abstraction Hierarchy in Knowledge Management Systems

Intelligent Search for Experts Using Fuzzy Abstraction Hierarchy in Knowledge Management Systems

Kun-Woo Yang, Soon-Young Huh
Copyright: © 2007 |Volume: 18 |Issue: 3 |Pages: 21
ISSN: 1063-8016|EISSN: 1533-8010|ISSN: 1063-8016|EISBN13: 9781615200450|EISSN: 1533-8010|DOI: 10.4018/jdm.2007070103
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MLA

Yang, Kun-Woo, and Soon-Young Huh. "Intelligent Search for Experts Using Fuzzy Abstraction Hierarchy in Knowledge Management Systems." JDM vol.18, no.3 2007: pp.48-68. http://doi.org/10.4018/jdm.2007070103

APA

Yang, K. & Huh, S. (2007). Intelligent Search for Experts Using Fuzzy Abstraction Hierarchy in Knowledge Management Systems. Journal of Database Management (JDM), 18(3), 48-68. http://doi.org/10.4018/jdm.2007070103

Chicago

Yang, Kun-Woo, and Soon-Young Huh. "Intelligent Search for Experts Using Fuzzy Abstraction Hierarchy in Knowledge Management Systems," Journal of Database Management (JDM) 18, no.3: 48-68. http://doi.org/10.4018/jdm.2007070103

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Abstract

In knowledge management systems (KMS), managing explicit knowledge is comparatively easy using in-formation technology such as databases. However, tacit knowledge, usually possessed by human experts in unstructured forms such as know-how and experiences, is hard to systemize. Recent research has shown that it is more effective to provide search mechanisms for experts than to directly search for specific knowledge itself in KMS to pinpoint experts with needed knowledge in the organizations so that users can acquire the knowledge from the found experts. In this article, we propose an intelligent search framework to provide search capabilities for experts who not only match search conditions exactly but also belong to the similar or related subject fields according to the user’s needs. In enabling intelligent searches for experts, the Fuzzy Abstraction Hierarchy (FAH) framework has been adopted. Based on FAH, searching for experts with similar or related expertise is facilitated using the subject field hierarchy defined in the system. While adopting FAH, a text categorization approach based on Vector Space Model is also utilized to overcome the limitation of the original FAH framework. To test applicability and practicality of the proposed framework, the prototype system, “Knowledge Portal for Researchers in Science and Technology” sponsored by the Ministry of Science and Technology (MOST) of Korea, has been developed.

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