%0 Journal Article %A Van Hoeve, Willem-Jan %D 2009 %T The alldifferent Constraint: A Survey %U https://kilthub.cmu.edu/articles/journal_contribution/The_alldifferent_Constraint_A_Survey/6708308 %R 10.1184/R1/6708308.v1 %2 https://kilthub.cmu.edu/ndownloader/files/12237377 %K Business %K Management %X The constraint of difference is known to the constraint programming community since Lauriere introduced Alice [11] in 1978. Since then, several solving strategies have been designed for this constraint. In this paper we give both a practical overview and an abstract comparison of these different strategies. %I Carnegie Mellon University