@InProceedings{metzler-cai-hovy:2012:NAACL-HLT,
  author    = {Metzler, Donald  and  Cai, Congxing  and  Hovy, Eduard},
  title     = {Structured Event Retrieval over Microblog Archives},
  booktitle = {Proceedings of the 2012 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies},
  month     = {June},
  year      = {2012},
  address   = {Montr\'{e}al, Canada},
  publisher = {Association for Computational Linguistics},
  pages     = {646--655},
  url       = {http://www.aclweb.org/anthology/N12-1083}
}