@InProceedings{duboue-mckeown:2001:ACL,
  author    = {Pablo A. Duboue  and  Kathleen R. McKeown},
  title     = {Empirically Estimating Order Constraints for Content Planning in Generation},
  booktitle = {Proceedings of 39th Annual Meeting of the Association for Computational Linguistics},
  month     = {July},
  year      = {2001},
  address   = {Toulouse, France},
  publisher = {Association for Computational Linguistics},
  pages     = {172--179},
  url       = {http://www.aclweb.org/anthology/P01-1023},
  doi       = {10.3115/1073012.1073035}
}