@inproceedings{ hsu-cp08,
  author    = {Eric I. Hsu and Christian Muise and J. Christopher Beck
               and Sheila A. McIlraith},
  title     = {Probabilistically Estimating Backbones and Variable
               Bias},
  booktitle = {Proceedings of 14th International Conference on
               Principles and Practice of Constraint Programming
               (CP '08), Sydney, Australia},
  year      = {2008}
}