Sub-ontology modularization for large-scale web ontologies

Authors:
Yuxin Mao;Guiyi Wei
Affiliations:
School of Computer and Information Engineering, Zhejiang Gongshang University, Hangzhou, P.R China;School of Computer and Information Engineering, Zhejiang Gongshang University, Hangzhou, P.R China
Venue:
IRI'09 Proceedings of the 10th IEEE international conference on Information Reuse & Integration
Year:
2009

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Abstract

In this paper, we propose a modularized approach for ontology reuse and sharing. In particular, we refer to the context-specific modules from large-scale ontologies as sub-ontologies. We combine the caching mechanism with ontology reuse to form sub-ontology cache. Semanticbased systems are able to take sub-ontology cache as their local knowledge-bases to support semantic-based activities. We also deal with the optimization problem for sub-ontology cache. We propose to optimize the subontologies in a cache with a semantic-based genetic algorithm. Besides, we evaluate the approach with a large-scale traditional Chinese medicine domain ontology to obtain promising results.