Authorization and Privacy for Semantic Web Services

  • Authors:
  • Lalana Kagal;Massimo Paolucci;Naveen Srinivasan;Grit Denker;Tim Finin;Katia Sycara

  • Affiliations:
  • University of Maryland;Carnegie Mellon University;Carnegie Mellon University;SRI International;University of Maryland;Carnegie Mellon University

  • Venue:
  • IEEE Intelligent Systems
  • Year:
  • 2004

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Abstract

This article addresses the security of Semantic Web Services that are declaratively described in OWL-S. The authors propose ontologies to annotate OWL-S input and output parameters with respect to their security characteristics, including encryption and digital signatures. They incorporate privacy and authentication policies into OWL-S descriptions and requester profiles. The authors have designed and implemented algorithms to check policy compliance and integrated them in the OWL-S Matchmakerýs service selection process. They also discuss extending the OWL-S VM with features for encrypting and signing messages exchanged between a service requester and provider.