Cooperating agents: a unified theory of communication and social structure
Distributed Artificial Intelligence (Vol. 2)
Artificial intelligence: a modern approach
Artificial intelligence: a modern approach
Formalising the contract net as a goal-directed system
MAAMAW '96 Proceedings of the 7th European workshop on Modelling autonomous agents in a multi-agent world : agents breaking away: agents breaking away
Multiagent perspectives to agile scheduling
BASYS '98 Proceedings of the 3rd IEEE/IFIP international conference on Intelligent systems for manufacturing : multi-agent systems and virtual organizations: multi-agent systems and virtual organizations
A Concept for Supporting the Formation of Virtual Corporations through Negotiation
WETICE '99 Proceedings of the 8th Workshop on Enabling Technologies on Infrastructure for Collaborative Enterprises
Advantages of a leveled commitment contracting protocol
AAAI'96 Proceedings of the thirteenth national conference on Artificial intelligence - Volume 1
Dynamic resource selection heuristics for a non-reserved bidding-based Grid environment
Future Generation Computer Systems
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Being easily understood and implemented for resource allocation or task assignment, FIPA Contract Net Protocol (CNP) has been widely applied to kinds of Multi-Agent System (MAS). Basing on a typical extension to the original CNP, which was named as Contract Net with Confirmation Protocol (CNCP), this paper made two further extensions to CNP by the ideas of Threshold and Degree of Availability (DoA). CNCP enabled the agents to make proposals or accept offers in a continuous time, but it also increased the risk of getting sub-optimal deal or nothing for individual agent. Our research is just aiming at relieving this risk. The idea of threshold comes from the fact that: no matter how much proposals one agent sent out, it will get only one task to do at last. By setting a proper threshold, we can save many unnecessary computational costs in making or evaluating proposals. The concept of DoA is derived from the principle of Maximum Expected-Utility (MEU). With this concept, one agent will evaluate proposals not only by the required costs, it also takes the DoA of a participant as an important factor in choosing its best deal, so initiators can act in a more rational way. We also presented an under-consideration idea "Deadline", which might become another feasible way to increase system effectiveness and efficiency.