Cohen, David, Martin Cooper, Peter Jeavons, and Stanislav Zivny. “Binarisation via Dualisation for Valued Constraints”. Proceedings of the AAAI Conference on Artificial Intelligence 29, no. 1 (March 4, 2015). Accessed August 13, 2022. https://ojs.aaai.org/index.php/AAAI/article/view/9749.