XML application schema matching using similarity measure and relaxation labeling

  • Authors:

  • Shanzhen Yi;Bo Huang;Weng Tat Chan

  • Affiliations:

  • Department of Civil Engineering, National University of Singapore, 10 Kent Ridge, Crescent, Singapore 119260, Singapore;Department of Civil Engineering, National University of Singapore, 10 Kent Ridge, Crescent, Singapore 119260, Singapore;Department of Civil Engineering, National University of Singapore, 10 Kent Ridge, Crescent, Singapore 119260, Singapore

  • Venue:
  • Information Sciences: an International Journal
  • Year:
  • 2005

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Abstract

Information integration for distributed and heterogeneous data sources is still an open challenging, and schema matching is critical in this process. This paper presents an approach to automatic elements matching between XML application schemas using similarity measure and relaxation labeling. The semantic modeling of XML application schema has also been presented. The similarity measure method considers element categories and their properties. In an effort to achieve an optimal matching, contextual constraints are used in the relaxation labeling method. Based on the semantic modeling of XML application schemas, the compatible constraint coefficients are devised in terms of the structures and semantic relationships as defined in the semantic model. To examine the effectiveness of the proposed methods, an algorithm for XML schema matching has been developed, and corresponding computational experiments show that the proposed approach has a high degree of accuracy.