@inproceedings{ijcai2009p110,
  title     = {Qualitative CSP, Finite CSP, and SAT: Comparing Methods for Qualitative Constraint-based Reasoning},
  author    = {Westphal, Matthias and Wölfl, Stefan},
  booktitle = {Proceedings of the Twenty-First International Joint Conference on
               Artificial Intelligence, {IJCAI-09}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Hiroaki Kitano},
  pages     = {628--632},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/110},
}