Preallocation and Planning under Stochastic Resource Constraints

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Abstract

Resource constraints frequently complicate multi-agent planning problems. Existing algorithms for resource-constrained, multi-agent planning problems rely on the assumption that the constraints are deterministic. However, frequently resource constraints are themselves subject to uncertainty from external influences. Uncertainty about constraints is especially challenging when agents must execute in an environment where communication is unreliable, making on-line coordination difficult. In those cases, it is a significant challenge to find coordinated allocations at plan time depending on availability at run time. To address these limitations, we propose to extend algorithms for constrained multi-agent planning problems to handle stochastic resource constraints. We show how to factorize resource limit uncertainty and use this to develop novel algorithms to plan policies for stochastic constraints. We evaluate the algorithms on a search-and-rescue problem and on a power-constrained planning domain where the resource constraints are decided by nature. We show that plans taking into account all potential realizations of the constraint obtain significantly better utility than planning for the expectation, while causing fewer constraint violations.
Original languageEnglish
Title of host publicationProceedings of the 32th AAAI Conference on Artificial Intelligence
EditorsS. McIlraith , K. Weinberger
PublisherAssociation for the Advancement of Artificial Intelligence (AAAI)
Pages4662-4669
Number of pages8
ISBN (Print)978-1-57735-800-8
Publication statusPublished - Jan 2018
EventThe 32nd AAAI Conference on Artificial Intelligence (AAAI-18): The Thirtieth Innovative Applications of Artificial Intelligence Conference, The Eighth AAAI Symposium on Educational Advances in Artificial Intelligence - New Orleans, United States
Duration: 2 Feb 20187 Feb 2018
Conference number: 32nd

Conference

ConferenceThe 32nd AAAI Conference on Artificial Intelligence (AAAI-18)
CountryUnited States
CityNew Orleans
Period2/02/187/02/18

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