Journal of Information Processing Systems

Korea Information Processing Society (한국정보처리학회)
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An Efficient Web Ontology Storage Considering Hierarchical Knowledge for Jena-based Applications

  • Jeong, Dong-Won (Dept. of Informatics & Statistics, Kunsan National University) ;
  • Shin, Hee-Young (Dept. of Computer Engineering Science & Engineering, Korea University) ;
  • Baik, Doo-Kwon (Dept. of Computer Engineering Science & Engineering, Korea University) ;
  • Jeong, Young-Sik (Dept. of Computer Engineering, Wonkwang University)
  • Published : 2009.03.31
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Abstract

As well as providing various APIs for the development of inference engines and storage models, Jena is widely used in the development of systems or tools related with Web ontology management. However, Jena still has several problems with regard to the development of real applications, one of the most important being that its query processing performance is unacceptable. This paper proposes a storage model to improve the query processing performance of the original Jena storage. The proposed storage model semantically classifies OWL elements, and stores an ontology in separately classified tables according to the classification. In particular, the hierarchical knowledge is managed, which can make the processing performance of inferable queries enhanced and stores information. It enhances the query processing performance by using hierarchical knowledge. For this paper an experimental evaluation was conducted, the results of which showed that the proposed storage model provides a improved performance compared with Jena.

Keywords

References

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