Semiring-Based CSPs and Valued CSPs: Basic Properties and Comparison. Bistarelli, S., Fargier, H., Montanari, U., Rossi, F., Schiex, T., & Verfaillie, G. In Jampel, M., Freuder, E. C., & Maher, M. J., editors, Over-Constrained Systems, volume 1106, of Lecture Notes in Computer Science, pages 111–150, 1995. Springer.
Semiring-Based CSPs and Valued CSPs: Basic Properties and Comparison [link]Paper  doi  bibtex   
@inproceedings{DBLP:conf/cp/BistarelliFMRSV95,
  author       = {Stefano Bistarelli and
                  H{\'{e}}l{\`{e}}ne Fargier and
                  Ugo Montanari and
                  Francesca Rossi and
                  Thomas Schiex and
                  G{\'{e}}rard Verfaillie},
  editor       = {Michael Jampel and
                  Eugene C. Freuder and
                  Michael J. Maher},
  title        = {Semiring-Based CSPs and Valued CSPs: Basic Properties and Comparison},
  booktitle    = {Over-Constrained Systems},
  series       = {Lecture Notes in Computer Science},
  volume       = {1106},
  pages        = {111--150},
  publisher    = {Springer},
  year         = {1995},
  url          = {https://doi.org/10.1007/3-540-61479-6\_19},
  doi          = {10.1007/3-540-61479-6\_19},
  timestamp    = {Tue, 23 Jan 2024 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/cp/BistarelliFMRSV95.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}

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