Weiqun Sun

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Service-oriented applications are naturally linked to virtual organizations (VO) that are used as an effective means to support collaboration across multiple autonomous domains. Participating domains of a VO may change their authorization policies for many reasons, which can bring conflicts to the VO's authorization policies and lead to unavailability of(More)
The ability to construct dynamic, flexible virtual organizations becomes one of the most desired features of a distributed application system. This paper proposes an agent-mediated service framework for constructing virtual organizations at the business level. Through dynamic matching between business services and Web services, and the negotiation between(More)
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