Trust Management within Virtual Communities: Adaptive and Socially-Compliant Trust Model
Résumé
Recent years have witnessed increasing interest of people in sharing, collaborating and interacting in many different ways among new social structures called Virtual Communities (VC). They represent aggrega- tions of entities with common interests, goals, practices or values. VCs are particularly complex environments wherein trust became, rapidly, a prerequisite for the decision-making process, and where traditional trust establishment techniques are regularly challenged. In our work we are considering how individual and collective trust policies can be managed, adapted and combined. To this aim, we propose an Adaptive and Socially-Compliant Trust Management System (ASC-TMS) based on multi-agent technologies. In this framework, policies are used as concrete implementations of trust models in order to specify both (i) user-centred (i.e. personal) and community-centred (i.e. collective) trust requirements. Agents are used to manage and combine these different policies in a decentralized and flexible way. We describe the functionalities and the architecture that supports them and discuss also a prototype implementation.
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