Dynamic access control policies and web-service composition.

dc.contributor.author	Siewe, Francois
dc.contributor.author	Janicke, Helge
dc.contributor.author	Jones, Kevin
dc.date.accessioned	2010-04-28T14:19:17Z
dc.date.available	2010-04-28T14:19:17Z
dc.date.issued	2005
dc.description.abstract	Service composition is a fundamental technique for develop- ing web-service applications. In general, a single service is not enough to achieve the user’s goal, rather several services, often from different providers, are composed dynamically to satisfy a request. Ensuring se- curity in such a system is challenging and not supported by most of the security frameworks proposed in current literature. This paper presents a formal model for composing security policies dynamically to cope with changes in requirements or occurrences of events. The model can be used to specify the security policies of web-services and to reason about their composition. We illustrate our approach with a simple example from healthcare services.	en
dc.identifier.citation	Siewe, F. Janicke, H. and Jones, K. (2005). Dynamic access control policies and web-service composition.The proceedings of the 1st Young Researcher Workshop on Service-Oriented Computing, Leicester, U.K..	en
dc.identifier.uri	http://hdl.handle.net/2086/3761
dc.language.iso	en	en
dc.peerreviewed	Yes	en
dc.publisher	IEEE	en
dc.researchgroup	Software Technology Research Laboratory (STRL)	en
dc.researchinstitute	Cyber Technology Institute (CTI)	en
dc.title	Dynamic access control policies and web-service composition.	en
dc.type	Conference	en

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