Evaluating ontology modularization approaches

  • Authors:
  • Sunju Oh;Heon Y. Yeom;Joongho Ahn

  • Affiliations:
  • Seoul National University, Seoul, Korea;Seoul National University, Seoul, Korea;Seoul National University, Seoul, Korea

  • Venue:
  • Proceedings of the 8th International Conference on Frontiers of Information Technology
  • Year:
  • 2010

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Abstract

Various techniques and methods for ontology modularization have recently been proposed. However, most research on ontology modularization has focused on the modularization technique itself, not on the modularization evaluation. In this research, a novel evaluation framework for ontology modularization is devised. The new framework is designed to measure not only the quality of ontology modules but also the modularization tools. To measure the quality of ontology modules, we introduce module size, module cohesion, and module coupling metrics derived from the theory of software engineering. Moreover, qualitative evaluation for ontology modularization tools is included in the proposed framework. Empirical experiments are performed, and the experimental results indicate that the proposed evaluation framework for ontology modularization is valid and effective. The purpose of the framework is to guide users in selecting an adequate ontology modularization approach.