@conference{603,
  author = {Louise Leenen and Tommie Meyer and P. Harvey and Aditya Ghose},
  title = {A Relaxation of a Semiring Constraint Satisfaction Problem Using Combined Semirings},
  year = {2006},
  journal = {Proceedings of the 9th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2006)},
  month = {August 2006},
  publisher = {Springer},
  address = {Guilin, China},
}