Thierry Petit. Focus : A Constraint for Concentrating High Costs. In Michela Milano, editor, Principles and Practice of Constraint Programming - 18th International Conference, CP 2012, Québec City, QC, Canada, October 8-12, 2012. Proceedings. Volume 7514 of Lecture Notes in Computer Science, pages 577-592, Springer, 2012. [doi]
Abstract is missing.