@inproceedings{stahlberg-et-al-kr2022, author = {Simon St{\aa}hlberg and Blai Bonet and Hector Geffner}, title = {Learning Generalized Policies without Supervision Using {GNNs}}, booktitle = {Proceedings of the Nineteenth International Conference on Principles of Knowledge Representation and Reasoning (KR 2022)}, year = 2022, }