A Categorial Context with Default Reasoning Approach to Heterogeneous Ontology Integration

  • Authors:
  • Ruliang Xiao;Shengqun Tang

  • Affiliations:
  • State Key Lab of Software Engineering, Wuhan University, Wuhan 430072, China and Department of Information & Management, Hunan Finance & Economics College, Changsha 410205, China;State Key Lab of Software Engineering, Wuhan University, Wuhan 430072, China

  • Venue:
  • ICCS '07 Proceedings of the 7th international conference on Computational Science, Part II
  • Year:
  • 2007

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Abstract

With context unceasingly changing, available information among ontologies of different information sources is often heterogeneous. It is crucial to develop scalable and efficient ontological formalism. This paper presents a categorial context-based formalism with default reasoning, in which context information is extensively considered, and from the category theory point of view, we syncretize default reasoning and make a categorial context extension to description logics (DL) for heterogeneous ontology integration. The core part of the formalism is a categorial context based on the DL, which captures and explicitly represents the information about contexts, and constructs nonmonotonic default reasoning. Based on the formal framework, a prototype is developed based on JESS, RACER and Protégé OWL plugin, which can integrate different ontologies from multiple distributed sources with context information using default reasoning.