@InProceedings{zhang-EtAl:2009:NAACLHLT09-Short,
  author    = {Zhang, Ruiqiang  and  Chang, Yi  and  Zheng, Zhaohui  and  Metzler, Donald  and  Nie, Jian-yun},
  title     = {Search Engine Adaptation by Feedback Control Adjustment for Time-sensitive Query},
  booktitle = {Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics, Companion Volume: Short Papers},
  month     = {June},
  year      = {2009},
  address   = {Boulder, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {165--168},
  url       = {http://www.aclweb.org/anthology/N/N09/N09-2042}
}