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2008

From One to Many: Planning for Loosely Coupled Multi-Agent Systems

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From One to Many: Planning for Loosely Coupled Multi-Agent Systems
Loosely coupled multi-agent systems are perceived as easier to plan for because they require less coordination between agent sub-plans. In this paper we set out to formalize this intuition. We establish an upper bound on the complexity of multi-agent planning problems that depends exponentially on two parameters quantifying the level of agents' coupling, and on these parameters only. The first parameter is problemindependent, and it measures the inherent level of coupling within the system. The second is problem-specific and it has to do with the minmax number of action-commitments per agent required to solve the problem. Most importantly, the direct dependence on the number of agents, on the overall size of the problem, and on the length of the agents' plans, is only polynomial. This result is obtained using a new algorithmic methodology which we call "planning as CSP+planning". We believe this to be one of the first formal results to both quantify the notion of a...
Ronen I. Brafman, Carmel Domshlak
Added 02 Oct 2010
Updated 02 Oct 2010
Type Conference
Year 2008
Where AIPS
Authors Ronen I. Brafman, Carmel Domshlak
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