Non-binary evaluation for schema matching

  • Authors:
  • Tomer Sagi;Avigdor Gal

  • Affiliations:
  • Technion --- Israel Institute of Technology, Haifa, Israel;Technion --- Israel Institute of Technology, Haifa, Israel

  • Venue:
  • ER'12 Proceedings of the 31st international conference on Conceptual Modeling
  • Year:
  • 2012

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Abstract

In this work we extend the commonly used binary evaluation of schema matching to support evaluation methods for non-binary matching results as well. We motivate our work with some new applications of schema matching. Non-binary evaluation is formally defined together with two new, non-binary evaluation measures using a vector-space representation of schema matching outcome. We provide an empirical evaluation to support the usefulness of non-binary evaluation and show its superiority to its binary counterpart.