@inproceedings{ijcai2003p173,
  title     = {Maximizing Flexibility: A Retraction Heuristic for Oversubscribed Scheduling Problems},
  author    = {Kramer, Laurence A. and Smith, Stephen F.},
  booktitle = {Proceedings of the Eighteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-03}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Georg Gottlob},
  pages     = {1218--1222},
  year      = {2003},
  url       = {https://ijcai.org/proceedings/2003/173},
}