@InProceedings{och-weber:1998:ACLCOLING,
  author    = {Franz Josef Och  and  Hans Weber},
  title     = {Improving Statistical Natural Language Translation with Categories and Rules},
  booktitle = {Proceedings of the 36th Annual Meeting of the Association for Computational Linguistics and 17th International Conference on Computational Linguistics, Volume 2},
  month     = {August},
  year      = {1998},
  address   = {Montreal, Quebec, Canada},
  publisher = {Association for Computational Linguistics},
  pages     = {985--989},
  url       = {http://www.aclweb.org/anthology/P98-2162},
  doi       = {10.3115/980691.980731}
}