@inproceedings{ijcai1997p52,
  title     = {Semiring-based Constraint Logic Programming},
  author    = {Bistarelli, Stefano and Montanari, Ugo and Rossi, Francesca},
  booktitle = {Proceedings of the Fifteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-97}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Martha E. Pollack},
  pages     = {352--356},
  year      = {1997},
  note      = {Constraint Satisfaction},
  url       = {https://ijcai.org/proceedings/1997/52},
}