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An XML Schema-based Semantic Data Integration  

Kim Dong-Kwang (건국대학교 컴퓨터공학과)
Jeong Karp-Joo (건국대학교 인터넷멀티미디어 공학부)
Shin Hyo-Seop (건국대학교 인터넷미디어공학부)
Hwang Sun-Tae (국민대학교 컴퓨터학부)
Abstract
Cyber-infrastructures for scientific and engineering applications require integrating heterogeneous legacy data in different formats and from various domains. Such data integration raises challenging issues: (1) Support for multiple independently-managed schemas, (2) Ease of schema evolution, and (3) Simple schema mappings. In order to address these issues, we propose a novel approach to semantic integration of scientific data which uses XML schemas and RDF-based schema mappings. In this approach, XML schema al-lows scientists to manage data models intuitively and to use commodity XML DBMS tools. A simple RDF-based ontological representation scheme is used for only structural relations among independently-managed XML schemas from different institutes or domains We present the design and implementation of a prototype system developed for the national cyber-environments for civil engi-neering research activities in Korea (similar to the NEES project in USA) which is called KOCEDgrid (http://www.koced.net).
Keywords
Scientific Data Management; Data Integration; Semantic Integration; XML Schema; Grid;
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