A 3-Layered Information Integration System based on MDRs and Ontology 


Vol. 10,  No. 2, pp. 247-260, Apr.  2003
10.3745/KIPSTD.2003.10.2.247


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  Abstract

To share and standardize information, especially in the database environments, MDR (Metadata Registry) can be used to integrate various heterogeneous databases within a particular domain. But due to the discrepancies of data element representation between organizations, global information integration is not so easy. And users who are searching integrated information on the Web have limitation to obtain schema information for the underlying source databases. To solve those problems, in this paper, we present a 3-layered Information Integration System (LI2S) based on MDRs and Ontology. The purpose of proposed architecture is to define information integration model, which combine both of the nature of MDRs standard specification and functionality of ontology for the concept and relation. Adopting agent technology to the proposed model plays a key role to support the hierarchical and independent information integration architecture. Ontology is used as for a role of semantic network from which it extracts concept from the user query and the establishment of relationship between MDRs for the data element. MDR and Knowledge Base are used as for the solution of discrepancies of data element representation between MDRs. Based on this architectural concept, LI2S was designed and implemented.

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[IEEE Style]

D. K. Baik, Y. H. Choi, S. K. Park, J. O. Lee, D. W. Jeong, "A 3-Layered Information Integration System based on MDRs and Ontology," The KIPS Transactions:PartD, vol. 10, no. 2, pp. 247-260, 2003. DOI: 10.3745/KIPSTD.2003.10.2.247.

[ACM Style]

Doo Kwon Baik, Yo Han Choi, Sung Kong Park, Jeong Oog Lee, and Dong Won Jeong. 2003. A 3-Layered Information Integration System based on MDRs and Ontology. The KIPS Transactions:PartD, 10, 2, (2003), 247-260. DOI: 10.3745/KIPSTD.2003.10.2.247.

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