@inproceedings{ijcai2009p141,
  title     = {Circumscriptive Event Calculus as Answer Set Programming},
  author    = {Kim, Tae-Won and Lee, Joohyung and Palla, Ravi},
  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     = {823--828},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/141},
}