Palmisano, Ignazio, Doran, Paul, Tamma, Valentina and Payne, Terry
Flexible agreement mechanism for dynamic meaning negotiation.
At The 9th International Conference on Autonomous Agents and Multiagent Systems
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Effective communication in open environments relies on the ability of agents to reach a mutual understanding of the exchanged message by reconciling the vocabulary (ontology) used. Various approaches have considered how mutually acceptable mappings between corresponding concepts in the agents' own ontologies may be determined dynamically through argumentation-based negotiation (such as Meaning-based Argumentation). We demonstrate that the existing argument generation procedure causes the agents to pose overly restrictive arguments. Thus, a more relaxed argument procedure is proposed whereby the agents are allowed to express a private threshold for each individual value. We empirically demonstrate that the relaxed argument generation procedure produces larger agreed alignments. Furthermore, the alignments are fitter for purpose, better enabling agent communication, than the alignments obtained with the existing strict argument generation procedure and are comparable to the alignments obtained when the agents accept all the proposed mappings.
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