@inproceedings{Hawking00a,
  title = {ACSys/CSIRO TREC-9 Experiments},
  author = {David Hawking},
  year = {2000},
  url = {http://trec.nist.gov/pubs/trec9/papers/acsys.pdf},
  researchr = {https://researchr.org/publication/Hawking00a},
  cites = {0},
  citedby = {0},
  booktitle = {TREC},
}