@InProceedings{zhou-xue:2012:LAWVI,
  author    = {Zhou, Yuping  and  Xue, Nianwen},
  title     = {Exploring Temporal Vagueness with Mechanical Turk},
  booktitle = {Proceedings of the Sixth Linguistic Annotation Workshop},
  month     = {July},
  year      = {2012},
  address   = {Jeju, Republic of Korea},
  publisher = {Association for Computational Linguistics},
  pages     = {124--128},
  url       = {http://www.aclweb.org/anthology/W12-3616}
}