Asia pacific journal of information systems

The Korea Society of Management Information Systems (한국경영정보학회)
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Real-time Data Integration using Ontology and Semantic Mediators

온톨로지와 시맨틱 중재 에이전트를 이용한 실시간 통합 환경 구축에 관한 연구

  • 박진수 (서울대학교 경영대학 경영전문대학원)
  • Published : 2006.12.31
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Abstract

The objective of this research is to develop a formal framework and methodology to facilitate real-time data integration, thus enabling semantic interoperability among distributed and heterogeneous information systems. The proposed approach is based on the concepts of "ontology" and "semantic mediators." An ontology is developed and used to capture the intension (including structure, integrity rules and meta-properties) of the database schema. We also develop the agent communication protocol for semantic reconciliation, which is based on the theory of speech acts and agent communication language. This protocol is used by a set of semantic mediators, which automatically detect and resolve various semantic conflicts at the data- and schema-levels by referring to the ontology. A mediation-based query processing technique is developed to provide uniform and integrated access to the multiple heterogeneous information sources. Prototype tools are being implemented to provide proof of concept for this work.

Keywords

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