@inproceedings{xu-chelba-jelinek:2002:ACL,
  author    = {Xu, Peng  and  Chelba, Ciprian  and  Jelinek, Frederick},
  title     = {A Study on Richer Syntactic Dependencies for Structured Language Modeling},
  booktitle = {Proceedings of the 40th Annual Meeting of the Association for Computational Linguistics (ACL)},
  year      = 2002,
  pages     = {191--198}
}