Planning in polynomial time: the SAS-PUBS class
Computational Intelligence
New admissible heuristics for domain-independent planning
AAAI'05 Proceedings of the 20th national conference on Artificial intelligence - Volume 3
Domain-independent construction of pattern database heuristics for cost-optimal planning
AAAI'07 Proceedings of the 22nd national conference on Artificial intelligence - Volume 2
AAAI'08 Proceedings of the 23rd national conference on Artificial intelligence - Volume 2
Journal of Artificial Intelligence Research
Additive pattern database heuristics
Journal of Artificial Intelligence Research
The fast downward planning system
Journal of Artificial Intelligence Research
A general theory of additive state space abstractions
Journal of Artificial Intelligence Research
Branching and pruning: An optimal temporal POCL planner based on constraint programming
Artificial Intelligence
Cost-optimal planning with landmarks
IJCAI'09 Proceedings of the 21st international jont conference on Artifical intelligence
Understanding planning tasks: domain complexity and heuristic decomposition
Understanding planning tasks: domain complexity and heuristic decomposition
Optimal admissible composition of abstraction heuristics
Artificial Intelligence
Strengthening Landmark Heuristics via Hitting Sets
Proceedings of the 2010 conference on ECAI 2010: 19th European Conference on Artificial Intelligence
Sound and Complete Landmarks for And/Or Graphs
Proceedings of the 2010 conference on ECAI 2010: 19th European Conference on Artificial Intelligence
Implicit abstraction heuristics
Journal of Artificial Intelligence Research
Directed model checking with distance-preserving abstractions
SPIN'06 Proceedings of the 13th international conference on Model Checking Software
IJCAI'11 Proceedings of the Twenty-Second international joint conference on Artificial Intelligence - Volume Volume Three
An admissible heuristic for SAS+ planning obtained from the state equation
IJCAI'13 Proceedings of the Twenty-Third international joint conference on Artificial Intelligence
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Abstractions and landmarks are two of the key mechanisms for devising admissible heuristics for domain-independent planning. Here we aim at combining them by integrating landmark information into abstractions. We propose a concrete scheme for compiling landmarks into the problem specification. This scheme, which preserves all reachable properties of the original problem, is especially suited to implicit abstraction heuristics. Our formal and empirical analysis shows that landmark information can substantially improve the quality of heuristic estimates.