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Ontology Mapping Composition for Query Transformation in Distributed Environment

  • Jason J. Jung
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5796)

Abstract

Semantic heterogeneity should be overcome to support automated information sharing process between information systems in ontology-based distributed environments. To do so, traditional approaches have been based on explicit mapping between ontologies from human experts of the domain. However, the manual tasks are very expensive, so that it is difficult to obtain ontology mappings between all possible pairs of information systems. Thereby, in this paper, we propose a system to make the existing mapping information sharable and exchangeable. It means that the proposed system can collect the existing mapping information and aggregate them. Consequently, we can estimate the ontology mappings in an indirect manner. In particular, this paper focuses on query propagation on the distributed networks. Once we have the indirect mapping between systems, the queries can be efficiently transformed to automatically exchange knowledge between heterogeneous information systems.

Keywords

Query transformation Ontology mapping Mapping composition 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Jason J. Jung
    • 1
  1. 1.Knowledge Engineering Laboratory Department of Computer EngineeringYeungnam UniversityKorea

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