The LAMA Planner: Guiding Cost-Based Anytime Planning with Landmarks

@article{Richter2010TheLP,
  title={The LAMA Planner: Guiding Cost-Based Anytime Planning with Landmarks},
  author={Silvia Richter and Matthias Westphal},
  journal={J. Artif. Intell. Res.},
  year={2010},
  volume={39},
  pages={127-177}
}
LAMA is a classical planning system based on heuristic forward search. [...] Key Method The latter is employed to combine the landmark heuristic with a variant of the well-known FF heuristic. Both heuristics are cost-sensitive, focusing on high-quality solutions in the case where actions have non-uniform cost. A weighted A* search is used with iteratively decreasing weights, so that the planner continues to search for plans of better quality until the search is terminated. LAMA showed best performance among…Expand Abstract

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