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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 27 / No. 1: Twenty-Seventh AAAI Conference on Artificial Intelligence

Planning with Multi-Valued Landmarks

March 8, 2023

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Authors

Lei Zhang

Nanjing University


Chong-Jun Wang

Nanjing University


Jun Wu

Nanjing University


Meilin Liu

Wright State University


Jun-Yuan Xie

Nanjing University


DOI:

10.1609/aaai.v27i1.8520


Abstract:

Landmark heuristics are perhaps the most accurate current known admissible heuristics for optimal planning. A disjunctive action landmark can be seen a form of at-least-one constraint on the actions it contains. In many domains, some critical propositions have to be established for a number of times.Propositional landmarks are too weak to express this kind of constraints.In this paper, we propose to generalize landmarks to multi-valued landmarks to represent the more general cardinality constraints. We present a class of local multi-valued landmarks that can be efficiently extracted from propositional landmarks.By encoding multi-valued landmarks into CNF formulas, we can also use SAT solvers to systematically extract multi-valued landmarks.Experiment evaluations show that multi-valued landmark based heuristics are more close to $h^*$ andcompete favorably with the state-of-the-art of admissible landmark heuristics on benchmark domains.

Topics: AAAI

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HOW TO CITE:

Lei Zhang|| Chong-Jun Wang|| Jun Wu|| Meilin Liu|| Jun-Yuan Xie Planning with Multi-Valued Landmarks Proceedings of the AAAI Conference on Artificial Intelligence, 27 (2013) 1653.

Lei Zhang|| Chong-Jun Wang|| Jun Wu|| Meilin Liu|| Jun-Yuan Xie Planning with Multi-Valued Landmarks AAAI 2013, 1653.

Lei Zhang|| Chong-Jun Wang|| Jun Wu|| Meilin Liu|| Jun-Yuan Xie (2013). Planning with Multi-Valued Landmarks. Proceedings of the AAAI Conference on Artificial Intelligence, 27, 1653.

Lei Zhang|| Chong-Jun Wang|| Jun Wu|| Meilin Liu|| Jun-Yuan Xie. Planning with Multi-Valued Landmarks. Proceedings of the AAAI Conference on Artificial Intelligence, 27 2013 p.1653.

Lei Zhang|| Chong-Jun Wang|| Jun Wu|| Meilin Liu|| Jun-Yuan Xie. 2013. Planning with Multi-Valued Landmarks. "Proceedings of the AAAI Conference on Artificial Intelligence, 27". 1653.

Lei Zhang|| Chong-Jun Wang|| Jun Wu|| Meilin Liu|| Jun-Yuan Xie. (2013) "Planning with Multi-Valued Landmarks", Proceedings of the AAAI Conference on Artificial Intelligence, 27, p.1653

Lei Zhang|| Chong-Jun Wang|| Jun Wu|| Meilin Liu|| Jun-Yuan Xie, "Planning with Multi-Valued Landmarks", AAAI, p.1653, 2013.

Lei Zhang|| Chong-Jun Wang|| Jun Wu|| Meilin Liu|| Jun-Yuan Xie. "Planning with Multi-Valued Landmarks". Proceedings of the AAAI Conference on Artificial Intelligence, 27, 2013, p.1653.

Lei Zhang|| Chong-Jun Wang|| Jun Wu|| Meilin Liu|| Jun-Yuan Xie. "Planning with Multi-Valued Landmarks". Proceedings of the AAAI Conference on Artificial Intelligence, 27, (2013): 1653.

Lei Zhang|| Chong-Jun Wang|| Jun Wu|| Meilin Liu|| Jun-Yuan Xie. Planning with Multi-Valued Landmarks. AAAI[Internet]. 2013[cited 2023]; 1653.


ISSN: 2374-3468


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