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Query Rewriting and Indexing Schemes for Distributed Systems based on the Semantic Web  

Chae, Kwang-Ju (홍익대학교 컴퓨터공학과)
Kim, Youn-Hee (부천대학 e-비즈니스과)
Lim, Hae-Chull (홍익대학교 컴퓨터공학과)
Publication Information
Journal of KIISE:Computing Practices and Letters / v.14, no.7, 2008 , pp. 718-722 More about this Journal
Abstract
Ontology plays an important role of the Semantic Web to describe meaning and reasoning of resources. Ontology has more rich expressive power through OWL that is a next standard representation language recommended by W3C. As the Semantic Web is widely known, an amount of information resources on the Web is growing rapidly and the related information resources are placed in distributed systems on the Web. So, for providing seamless services without the awareness of far distance, efficient management of the distributed information resources is required. Especially, sear ching fast for local repositories that include data related to user's queries is important to the performance of systems in the distributed environment. In this paper, first, we propose an index structure to search local repositories related to queries in the distributed Semantic Web. Second, we propose a query rewriting strategy to extend given user's query using various expression of OWL. Through the proposed index and query strategy, we can utilize various expressions of OWL and find local repositories related to all query patterns on the Semantic Web.
Keywords
Semantic web; Ontology; Distributed System; Index; Query rewriting strategy;
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  • Reference
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