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Bootstrapping Ontology Alignment Methods with APFEL

  • Marc Ehrig
  • Steffen Staab
  • York Sure
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3729)

Abstract

Ontology alignment is a prerequisite in order to allow for interoperation between different ontologies and many alignment strategies have been proposed to facilitate the alignment task by (semi-)automatic means. Due to the complexity of the alignment task, manually defined methods for (semi-)automatic alignment rarely constitute an optimal configuration of substrategies from which they have been built. In fact, scrutinizing current ontology alignment methods, one may recognize that most are not optimized for given ontologies. Some few include machine learning for automating the task, but their optimization by machine learning means is mostly restricted to the extensional definition of ontology concepts. With APFEL (Alignment Process Feature Estimation and Learning) we present a machine learning approach that explores the user validation of initial alignments for optimizing alignment methods. The methods are based on extensional and intensional ontology definitions. Core to APFEL is the idea of a generic alignment process, the steps of which may be represented explicitly. APFEL then generates new hypotheses for what might be useful features and similarity assessments and weights them by machine learning approaches. APFEL compares favorably in our experiments to competing approaches.

Keywords

Support Vector Machine Domain Ontology Alignment Method Alignment Process Similarity Assessment 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Marc Ehrig
    • 1
  • Steffen Staab
    • 2
  • York Sure
    • 1
  1. 1.Institute AIFBUniversity of Karlsruhe 
  2. 2.ISWebUniversity of Koblenz-Landau 

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