Peter Jonsson, Fredrik Kuivinen, Johan Thapper. Min CSP on Four Elements: Moving beyond Submodularity. In Jimmy Ho-Man Lee, editor, Principles and Practice of Constraint Programming - CP 2011 - 17th International Conference, CP 2011, Perugia, Italy, September 12-16, 2011. Proceedings. Volume 6876 of Lecture Notes in Computer Science, pages 438-453, Springer, 2011. [doi]
Abstract is missing.