@inproceedings{drexler-et-al-kr2023, author = {Dominik Drexler and Jendrik Seipp and Hector Geffner}, title = {Learning Hierarchical Policies by Iteratively Reducing the Width of Sketch Rules}, booktitle = {Proceedings of the Twentieth International Conference on Principles of Knowledge Representation and Reasoning (KR 2023)}, year = 2023, }