@inproceedings{ijcai2016p158,
  title     = {Querying Data Graphs with Arithmetical Regular Expressions},
  author    = {Grabon, Maciej and Michaliszyn, Jakub and Otop, Jan and Wieczorek, Piotr},
  booktitle = {Proceedings of the Twenty-Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-16}},
  publisher = {AAAI Press / International Joint Conferences on Artificial Intelligence},
  editor    = {Subbarao Kambhampati},
  pages     = {1088--1093},
  year      = {2016},
  month     = {7},
  url       = {https://ijcai.org/proceedings/2016/158},
}