@inproceedings{ijcai2017p718,
  author    = {Till Mossakowski and Reinhard Moratz},
  title     = {Relations Between Spatial Calculi About Directions and Orientations (Extended Abstract)},
  booktitle = {Proceedings of the Twenty-Sixth International Joint Conference on
               Artificial Intelligence, {IJCAI-17}},
  pages     = {5040--5044},
  year      = {2017},
  doi       = {10.24963/ijcai.2017/718},
  url       = {https://doi.org/10.24963/ijcai.2017/718},
}