Thom W. Frühwirth. Constraint handling rules: the story so far. In Annalisa Bossi, Michael J. Maher, editors, Proceedings of the 8th International ACM SIGPLAN Conference on Principles and Practice of Declarative Programming, July 10-12, 2006, Venice, Italy. pages 13-14, ACM, 2006. [doi]
Abstract is missing.