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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence / EAAI-20

Frontier Search and Plan Reconstruction in Oversubscription Planning

February 1, 2023

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Authors

Daniel Muller

Technion-Israel Institute of Technology


DOI:

10.1609/aaai.v33i01.33019999


Abstract:

Oversubscription planning (OSP) is the problem of choosing an action sequence which reaches a state with a high utility, given a budget for total action cost. This formulation allows us to handle situations with under-constrained resources, which do not allow us to achieve all possible goal facts. In optimal OSP, the task is further constrained to finding a path which achieves a state with maximal utility. An incremental BFBB search algorithm with landmark-based approximations, proposed for OSP heuristic search to address tasks with non-negative and 0-binary utility functions. Incremental BFBB maintained with the best solution so far and a set of reference states, extended with all the non-redundant value-carrying states discovered during the search. Each iteration requires search re-start in order to exploit the new knowledge obtained along the search. Recent work proposed an approach of relative estimation of achievements with value-driven landmarks to address arbitrary utility functions, which incrementally improves the best existing solution so far eliminating the need to maintain a set of reference states. We now propose a progressive frontier search algorithm, which alleviates the need to re-start from scratch once new information is acquired by capturing the frontier achieved at the end of each iteration which is used as a dynamic reference point to continue the search, leading to improved efficiency of the search.

Topics: AAAI

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HOW TO CITE:

Daniel Muller Frontier Search and Plan Reconstruction in Oversubscription Planning Proceedings of the AAAI Conference on Artificial Intelligence (2019) 9999-10000.

Daniel Muller Frontier Search and Plan Reconstruction in Oversubscription Planning AAAI 2019, 9999-10000.

Daniel Muller (2019). Frontier Search and Plan Reconstruction in Oversubscription Planning. Proceedings of the AAAI Conference on Artificial Intelligence, 9999-10000.

Daniel Muller. Frontier Search and Plan Reconstruction in Oversubscription Planning. Proceedings of the AAAI Conference on Artificial Intelligence 2019 p.9999-10000.

Daniel Muller. 2019. Frontier Search and Plan Reconstruction in Oversubscription Planning. "Proceedings of the AAAI Conference on Artificial Intelligence". 9999-10000.

Daniel Muller. (2019) "Frontier Search and Plan Reconstruction in Oversubscription Planning", Proceedings of the AAAI Conference on Artificial Intelligence, p.9999-10000

Daniel Muller, "Frontier Search and Plan Reconstruction in Oversubscription Planning", AAAI, p.9999-10000, 2019.

Daniel Muller. "Frontier Search and Plan Reconstruction in Oversubscription Planning". Proceedings of the AAAI Conference on Artificial Intelligence, 2019, p.9999-10000.

Daniel Muller. "Frontier Search and Plan Reconstruction in Oversubscription Planning". Proceedings of the AAAI Conference on Artificial Intelligence, (2019): 9999-10000.

Daniel Muller. Frontier Search and Plan Reconstruction in Oversubscription Planning. AAAI[Internet]. 2019[cited 2023]; 9999-10000.


ISSN: 2374-3468


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