@InProceedings{yan-EtAl:2010:Short,
  author    = {Yan, Tingxu  and  Maxwell, Tamsin  and  Song, Dawei  and  Hou, Yuexian  and  Zhang, Peng},
  title     = {Event-Based Hyperspace Analogue to Language for Query Expansion},
  booktitle = {Proceedings of the ACL 2010 Conference Short Papers},
  month     = {July},
  year      = {2010},
  address   = {Uppsala, Sweden},
  publisher = {Association for Computational Linguistics},
  pages     = {120--125},
  url       = {http://www.aclweb.org/anthology/P10-2022}
}