We propose role-based cascaded delegation, a model for delegation of authority in decentralized trust management systems. We show that role-based cascaded delegation combines the ...
Roberto Tamassia, Danfeng Yao, William H. Winsboro...
The ability to coordinate effectively is critical for agents to accomplish their goals in a multi-agent system. A number of researchers have modeled the coordination problem for m...
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
Technology adoption is well defined in e-business. The environment within which leaders must act in government is significantly different that that navigated by business leaders. ...
In the form of topic discussions, users interact with each other to share knowledge and exchange information in online forums. Modeling the evolution of topic discussion reveals h...
Hao Wu, Jiajun Bu, Chun Chen, Can Wang, Guang Qiu,...