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Automatic Generation of the Local Level Knowledge Structure of a Single Document Using Clustering Methods

  • Journal of the Korean Society for Information Management
  • Abbr : JKOSIM
  • 2004, 21(3), pp.251~268
  • DOI : 10.3743/KOSIM.2004.21.3.251
  • Publisher : 한국정보관리학회
  • Research Area : Interdisciplinary Studies > Library and Information Science
  • Received : August 17, 2004
  • Accepted : September 10, 2004
  • Published : September 30, 2004

Seung-Hee Han 1 Young-Mee Chung 2

1일본 Keio University
2연세대학교

Accredited

ABSTRACT

The purpose of this study is to generate the local level knowledge structure of a single document, similar to end-of-the-book indexes and table of contents of printed material, through the use of term clustering and cluster representative term selection. Furthermore, it aims to analyze the functionalities of the knowledge structure, and to confirm the applicability of these methods in user-friendly information services. The results of the term clustering experiment showed that the performance of the Ward's method was superior to that of the fuzzy K-means clustering method. In the cluster representative term selection experiment, using the highest passage frequency term as the representative yielded the best performance. Finally, the result of user task-based functionality tests illustrate that the automatically generated knowledge structure in this study functions similarly to the local level knowledge structure presented in printed material.

Citation status

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