@INPROCEEDINGS{michalowskiCPDC07,
  author = {Martin Michalowski},
  title = {Exploiting Problem Data to Refine Models of Constraint Problems},
  booktitle = {Proceedings of the 13th International Conference on Principles and Practice of Constraint Programming (CP-07), Doctoral Programme},
  year = {2007},
  pages = xx-xx
}