@inproceedings{Li:2003:MLSUM,
  author = {Li, Wei  and  Srihari, Rohini  and  Niu, Cheng  and  Li, Xiaoge},
  title  = {Question Answering on a Case Insensitive Corpus},
  booktitle = {Proceedings of the ACL 2003 Workshop on Multilingual Summarization and Question Answering},
  editor = {Abraham Ittycheriah, Tsuneaki Kato, Chin-Yew Lin and Yutaka Sasaki},
  url    = {http://www.aclweb.org/anthology/W03-1211.pdf},
  year   = 2003,
  pages  = {84--93}
}