@inproceedings{CraswellH04,
  author = {Nick Craswell and David Hawking},
  title = {Overview of the {TREC-2004 Web Track}},
  booktitle = {Proceedings of {TREC-2004}},
  location = {Gaithersburg, MD},
  month = {November},
  year = {2004},
  note = {\url{http://trec.nist.gov/pubs/trec13/papers/WEB.OVERVIEW.pdf}}
}