Petri Net based approach for merging ontologies in web service composition scenario

نویسندگان

  • Debajyoti Mukhopadhyay
  • Archana Chougule
چکیده

Ontologies are being used for construction of semantically rich service descriptions. In case of Web service composition, techniques for planning, composing, editing, reasoning and analyzing of these descriptions are required. It’s necessary to resolve semantic interoperability between services to achieve Web services coordination and collaboration. Matchmaking and merging of service descriptions is one of the key issues in semantic Web because it is the basis of doing Web service discovery and composition. In this paper we explore a method to merge service descriptions which are prepared as ontologies. We analyze ontologies describing processes related with the Web services using Petri Nets. We take as our starting point, the OWL-S Process Models for describing the Web services capabilities. We define workflow and sequence of processes descriptions for merging ontologies related to Web services participating in the composition. We represent each process description in OWL-S as Petri Net model and show how integrated Petri Net helps to complete ontology merging process. This enables performance improvement in Web service composition process and also helps in verifying the Web service composition.

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تاریخ انتشار 2013