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Collaborative business processes often consist of services provided by multiple business entities which agree to join a business collaboration. To enable trustworthy and secure consumption and provisioning of services across organizational boundaries, security requirements must be carefully defined so as to be coherent, consistent, and in compliance with designed business processes. However, managing...
Nowadays, most of access control models have been studied extensively in centralized and static environment, and they seldom meet the requirements of some dynamic collaborative environments, such as Grid, P2P and ad-hoc network. In this paper, the trust mechanism of the agents in collaborative environments is analyzed, a suitable method is introduced for calculating the agentpsilas trust in collaborative...
Proliferation of collaboration environments brings new issues to the area of security. In this paper, we briefly describe the characteristics of security associated with collaboration environments. We also discuss and analyze several schemes in different areas of security, including access control, secure group communication, and security management. Another contribution of this paper is a proposed...
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