@InProceedings{corston-oliver-dolan:1999:ACL,
  author    = {Simon H. Corston-Oliver  and  William B. Dolan},
  title     = {Less is more: Eliminating index terms from subordinate clauses},
  booktitle = {Proceedings of the 37th Annual Meeting of the Association for Computational Linguistics},
  month     = {June},
  year      = {1999},
  address   = {College Park, Maryland, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {349--356},
  url       = {http://www.aclweb.org/anthology/P99-1045},
  doi       = {10.3115/1034678.1034734}
}