@inproceedings{ijcai1999p68,
  title     = {Constraint Propagation and Value Acquisition: Why we should do it Interactively},
  author    = {Lamma, Evelina and Mello, Paola and Milano, Michela and Cucchiara, Rita and Gavanelli, Marco and Piccardi, Massimo},
  booktitle = {Proceedings of the Sixteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-99}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Thomas Dean},
  pages     = {468--476},
  year      = {1999},
  note      = {Constraint Satisfaction},
  url       = {https://ijcai.org/proceedings/1999/68},
}