@InProceedings{riezler-EtAl:2007:ACLMain,
  author    = {Riezler, Stefan  and  Vasserman, Alexander  and  Tsochantaridis, Ioannis  and  Mittal, Vibhu  and  Liu, Yi},
  title     = {Statistical Machine Translation for Query Expansion in Answer Retrieval},
  booktitle = {Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {464--471},
  url       = {http://www.aclweb.org/anthology/P07-1059}
}