@inproceedings{stahlberg-et-al-kr2022,
  author       = {Simon St{\aa}hlberg and Blai Bonet and Hector Geffner},
  title        = {Learning Generalized Policies without Supervision Using {GNNs}},
  pages        = {474--483},
  editor       = {Gabriele Kern-Isberner and Gerhard Lakemeyer and Thomas Meyer},
  booktitle    = {Proceedings of the Nineteenth International Conference on Principles of
    Knowledge Representation and Reasoning (KR 2022)},
  publisher    = {IJCAI Organization},
  year         = 2022,
}