@inproceedings{ijcai2005p23,
  title     = {Efficient Distributed "Hormone" Graph Gradients},
  author    = {Østergaard, Esben Hallundbæk},
  booktitle = {Proceedings of the Nineteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-05}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  pages     = {1489--1493},
  year      = {2005},
  url       = {https://ijcai.org/proceedings/2005/23},
}