@inproceedings{flener:Reform02,
         title = "Matrix Modelling: Exploiting Common Patterns in 
                  Constraint Programming",
         author = "Flener, P. and Frisch, A.M. and Hnich, B. and
                   Kiziltan, Z. and Miguel, I. and Walsh, T.",
         booktitle = "Proceedings of the International Workshop
                      on Reformulating Constraint Satisfaction Problems",
         editor = "Frisch, A.M.",
         pages = {27--41},
         year = 2002}