@inproceedings{HawkingBC99,
  author = {David Hawking and Peter Bailey and Nick Craswell},
  title = {{ACSys TREC-8 experiments}},
  booktitle = {{Proceedings of TREC-8}},
  location = {Gaithersburg, MD},
  month = {November},
  year = {1999},
  note = {\url{https://david-hawking.net/pubs/hawking_trec99.pdf}}
}