@inproceedings{ijcai2007p80,
  title     = {Surprise as Shortcut for Anticipation: Clustering Mental States in Reasoning},
  author    = {Piunti, Michele and Castelfranchi, Cristiano and Falcone, Rino},
  booktitle = {Proceedings of the Twentieth International Joint Conference on
               Artificial Intelligence, {IJCAI-07}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Ramon López de Mántaras},
  pages     = {507--511},
  year      = {2007},
  url       = {https://ijcai.org/proceedings/2007/80},
}