@InProceedings{JonesHTS11,
  author =       {Timothy Jones and David Hawking and Paul Thomas and Ramesh Sankaranarayana},
  title =  	 {Relative effect of spam and irrelevant documents on user interaction with search engines},
  booktitle = {Proceedings of CIKM},
  pages =        {2113--2116},
  month =        {Oct},
  year = 	 {2011},
  location =     {Glasgow},
  note = 	 {\url{http://david-hawking.net/pubs/jones_cikm11.pdf}}
}