@inproceedings{ijcai2019p175,
  title     = {Direction-Optimizing Breadth-First Search with External Memory Storage},
  author    = {Hu, Shuli and Sturtevant, Nathan R.},
  booktitle = {Proceedings of the Twenty-Eighth International Joint Conference on
               Artificial Intelligence, {IJCAI-19}},
  publisher = {International Joint Conferences on Artificial Intelligence Organization},
  pages     = {1258--1264},
  year      = {2019},
  month     = {7},
  doi       = {10.24963/ijcai.2019/175},
  url       = {https://doi.org/10.24963/ijcai.2019/175},
}