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A Translation-Based Approach to Contingent Planning

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Proceedings of the Twenty-First International Joint Conference on Artificial Intelligence. Pages 1623-1627.

Abstract

The problem of planning in the presence of sensing has been addressed in recent years as a non-deterministic search problem in belief space. In this work, we use ideas advanced recently for compiling conformant problems into classical ones for introducing a different approach where contingent problems P are mapped into non-deterministic problems X(P) in state space. We also identify a contingent width parameter, and show that for problems P with bounded contingent width, the translation is sound, polynomial, and complete. We then solve X(P) by using a relaxation X+(P) that is a classical planning problem. The formulation is tested experimentally over contingent benchmarks where it is shown to yield a planner that scales up better than existing contingent planners.Alexandre Albore, Héctor Palacios, Héctor Geffner

Alexandre Albore, Héctor Palacios, and Hector Geffner. 2009. A Translation-Based Approach to Contingent Planning. In Proceedings of the Twenty-First International Joint Conference on Artificial Intelligence, IJCAI-09. IJCAI, 1623–1627. https://ijcai.org/proceedings/2009/271
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