@inproceedings{ccjz15:aaai,
  title = "Binarisation via dualisation for valued constraints",
  author = "David A. Cohen and Martin C. Cooper and Peter Jeavons and Stanislav \v{Z}ivn\'y",
  year = "2015",
  booktitle = "Proceedings of the Twenty-Ninth {AAAI} Conference on Artificial Intelligence",
  pages = "3731--3737",
  publisher = "AAAI Press",
  url = "http://www.aaai.org/ocs/index.php/AAAI/AAAI15/paper/view/9328/9699",
}
@inproceedings{ccjz15:ijcai,
  title = "Tractable Classes of Binary {C}{S}{P}s Defined by Excluded Topological Minors",
  author = "David A. Cohen and Martin C. Cooper and Peter Jeavons and Stanislav \v{Z}ivn\'y",
  year = "2015",
  booktitle = "Proceedings of the 24th International Joint Conference on Artificial Intelligence (IJCAI'15)",
  pages = "1945--1951",
  publisher = "AAAI Press",
  url = "http://ijcai.org/papers15/Papers/IJCAI15-276.pdf",
}