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Issue No. 04 - July/August (2004 vol. 19)
ISSN: 1541-1672
pp: 50-56
Lalana Kagal , University of Maryland
Massimo Paolucci , Carnegie Mellon University
Naveen Srinivasan , Carnegie Mellon University
Grit Denker , SRI International
Tim Finin , University of Maryland
Katia Sycara , Carnegie Mellon University
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 Matchmaker?s 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.
Semantic Web Services, Semantic Web, knowledge representation, security, privacy, policy, OWL-S, OWL

G. Denker, K. Sycara, M. Paolucci, T. Finin, N. Srinivasan and L. Kagal, "Authorization and Privacy for Semantic Web Services," in IEEE Intelligent Systems, vol. 19, no. , pp. 50-56, 2004.
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