@inproceedings{TangHCG05,
  author = {Thanh Tang and David Hawking and Nick Craswell and Kathleen Griffiths},
  title = {Focused crawling for both relevance and quality of medical 
           information},
  booktitle = {Proceedings of CIKM 2005},
  year = {2005},
  pages = {147-154},
  location = {Bremen, Germany},
  note = {\url{https://david-hawking.net/pubs/tang_cikm05.pdf}}
}