Authorization and Privacy for Semantic Web Services

Lalana Kagal, Massimo Paolucci, Naveen Srinivasan, Grit Denker, Tim Finin, and Katia Sycara

In this paper we address security of semantic Web services that are declaratively described in OWL-S. We propose ontologies to annotate OWL-S input and output parameters with respect to their security characteristics, including encryption and digital signatures. Moreover, we propose to incorporate privacy and authentication policies into OWL-S descriptions and requester profiles. We designed and implemented algorithms to check policy compliance and integrated them in the service selection process of the OWL-S MatchMaker. We extended the OWL-S VM with features for encrypting and signing messages exchanged between service requester and provider.


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