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Optimal Multi-Agent Scheduling with Constraint Programming

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journal contribution
posted on 16.07.2004, 00:00 by Willem-Jan Van HoeveWillem-Jan Van Hoeve, Carla P. Gomes, Bart Selman, Michele Lombardi
We consider the problem of computing optimal schedules in multi-agent systems. In these problems, actions of one agent can influence the actions of other agents, while the objective is to maximize the total `quality' of the schedule. More specifically, we focus on multiagent scheduling problems with time windows, hard and soft precedence relations, and a nonlinear objective function. We show how we can model and efficiently solve these problems with constraint programming technology. Elements of our proposed method include constraint-based reasoning, search strategies, problem decomposition, scheduling algorithms, and a linear programming relaxation. We present experimental results on realistic problem instances to display the different elements of the solution process.




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