@InProceedings{zhai:2007:tutorial,
  author    = {Zhai, ChengXiang},
  title     = {Statistical Language Models for Information Retrieval},
  booktitle = {Proceedings of the Human Language Technology Conference of the NAACL, Companion Volume: Tutorial Abstracts},
  month     = {April},
  year      = {2007},
  address   = {Rochester, New York},
  publisher = {Association for Computational Linguistics},
  pages     = {3--4},
  url       = {http://www.aclweb.org/anthology/N/N07/N07-5002}
}