@inproceedings{ijcai2009p267,
  title     = {Wikispeedia: An Online Game for Inferring Semantic Distances between Concepts},
  author    = {West, Robert and Pineau, Joelle and Precup, Doina},
  booktitle = {Proceedings of the Twenty-First International Joint Conference on
               Artificial Intelligence, {IJCAI-09}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Hiroaki Kitano},
  pages     = {1598--1602},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/267},
}