@inproceedings{drexler-et-al-kr2021,
  author       = {Dominik Drexler and Jendrik Seipp and Hector Geffner},
  title        = {Expressing and Exploiting the Common Subgoal Structure of Classical
    Planning Domains Using Sketches},
  pages        = {258--268},
  editor       = {Esra Erdem and Meghyn Bienvenu and Gerhard Lakemeyer},
  booktitle    = {Proceedings of the Eighteenth International Conference on Principles of
    Knowledge Representation and Reasoning (KR 2021)},
  publisher    = {IJCAI Organization},
  year         = 2021,
}