@inproceedings{ijcai2019p844,
  title     = {Learning Hierarchical Symbolic Representations to Support Interactive Task Learning and Knowledge Transfer},
  author    = {Kirk, James R. and Laird, John E.},
  booktitle = {Proceedings of the Twenty-Eighth International Joint Conference on
               Artificial Intelligence, {IJCAI-19}},
  publisher = {International Joint Conferences on Artificial Intelligence Organization},
  pages     = {6095--6102},
  year      = {2019},
  month     = {7},
  doi       = {10.24963/ijcai.2019/844},
  url       = {https://doi.org/10.24963/ijcai.2019/844},
}