@article{consistencytechniquesforflowbased,
  title = {Consistency Techniques for Flow-Based Projection-Safe Global Cost Functions in Weighted Constraint Satisfaction},
  author = {J. H. M. Lee and Ka Lun Leung},
  year = {2014},
  eprint = {1401.4605},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1401.4605v1},
}