Some thoughts on using argumentation to handle trust
CLIMA'11 Proceedings of the 12th international conference on Computational logic in multi-agent systems
Toward an argumentation-based dialogue framework for human-robot collaboration
Proceedings of the 14th ACM international conference on Multimodal interaction
An argumentation-based dialogue system for human-robot collaboration
Proceedings of the 2013 international conference on Autonomous agents and multi-agent systems
ArgTrust: decision making with information from sources of varying trustworthiness
Proceedings of the 2013 international conference on Autonomous agents and multi-agent systems
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Trust is a mechanism for managing the uncertainty about autonomous entities and the information they store, and so can play an important role in any decentralized system. As a result, trust has been widely studied in multi-agent systems and related fields such as the semantic web. Here, we introduce a formal system of argumentation that can be used to reason using information about trust. This system is described as a set of graphs, which makes it possible to combine our approach with conventional representations of trust between individuals where the relationships between individuals are given in the form of a graph. The resulting system can easily relate the grounds of an argument to the agent that supplied the information, and can be used as the basis to compute Dungian notions of acceptability that take trust into account. We explore some of the properties of these argumentation graphs, examine the computation of trust and belief in the graphs and illustrate the capabilities of the system on an example from the trust literature.