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What is Required in Business Collaboration?

Daiqin He, D., Compton, M., Taylor, K. and Yang, J.

    Access control has been studied for sometime, and there are a number of theories and techniques for handling access control for single or centralised systems; however, unique and challenging security issues concerning collaboration in the context of service oriented computing (SOC) have arisen due to the dynamic and loosely coupled nature of the environment in which these collaborations are conducted. Individual organisations usually define their access control policies independently. When a collaboration opportunity arrives, a number of problems arise, such as: determining if the collaboration is possible given the access control policies, defining the policy for the collaboration and deciding under what conditions a service is allowed to be forwarded to other parties. Furthermore, different types of collaboration, in terms of the way collaboration is carried out, require different access control support. In this paper, we propose a model encoded in description logic to capture all the necessary elements for specifying access control policy for collaboration. Based on the model, various inconsistencies between access policies from different business units are identified. The paper also shows how a description logic reasoner can be used to prove that two policies are suitable, or not suitable, for collaboration. The policy model and policies are encoded in a SROIQ knowledge base. Although access control policies focus on a single system or a single business party's requirements, the method presented in this paper allows a logical analysis of the suitability of potential collaboration partners. We believe this work is laying a foundation for access policy development, negotiation and enforcement for cross-organization collaborations.
Cite as: Daiqin He, D., Compton, M., Taylor, K. and Yang, J. (2009). What is Required in Business Collaboration?. In Proc. Twentieth Australasian Database Conference (ADC 2009), Wellington, New Zealand. CRPIT, 92. Bouguettaya, A. and Lin, X., Eds. ACS. 107-116.
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