MAGNET: A Multi-Agent Contracting System for Plan Execution

John Collins, Maksim Tsvetovatyy, Bamshad Mobasher, and Maria Gini

We present a system for multi-agent contract negotiation, implemented as a generalized market architecture called MAGNET. MAGNET provides support for a variety of types of transactions, from simple buying and selling of goods and services to complex multi-agent contract negotiations. In the latter case, MAGNET is designed to negotiate contracts based on temporal and precedence constraints, and includes facilities for dealing with time-based contingencies. In contrast with other approaches to multi-agent negotiation, we introduce an explicit intermediary into the negotiation process, which helps in controlling fraud and discouraging counterspeculation.

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