@inproceedings{Hawking04,
  author = {David Hawking},
  title = {Challenges in Enterprise Search},
  booktitle = {Proceedings of the {Australasian Database Conference ADC2004}},
  year = {2004},
  location = {Dunedin, New Zealand},
  month = {January},
  pages = {15-26},
  note = {Invited paper: \url{http://es.csiro.au/pubs/hawking_adc04keynote.pdf}}
}