@InProceedings{zhang-EtAl:2011:IJCNLP-20114,
  author    = {Zhang, Yaoyun  and  Wang, Xiaolong  and  Wang, Xuan  and  Xu, Ruifeng  and  Xu, Jun  and  Fan, ShiXi},
  title     = {Diversifying Information Needs in Results of Question Retrieval},
  booktitle = {Proceedings of 5th International Joint Conference on Natural Language Processing},
  month     = {November},
  year      = {2011},
  address   = {Chiang Mai, Thailand},
  publisher = {Asian Federation of Natural Language Processing},
  pages     = {1432--1436},
  url       = {http://www.aclweb.org/anthology/I11-1168}
}