@inproceedings{ijcai2013p181,
  title     = {Definability of Horn Revision from Horn Contraction},
  author    = {Zhuang, Zhi Qiang and Pagnucco, Maurice and Zhang, Yan},
  booktitle = {Proceedings of the Twenty-Third International Joint Conference on
               Artificial Intelligence, {IJCAI-13}},
  publisher = {AAAI Press / International Joint Conferences on Artificial Intelligence},
  editor    = {Francesca Rossi},
  pages     = {1205--1211},
  year      = {2013},
  month     = {8},
  url       = {https://ijcai.org/proceedings/2013/181},
}