@InProceedings{ThomasSM13,
  author = 	 {Paul Thomas and Falk Scholer and Alistair Moffat},
  title = 	 {Fading away: Dilution and user behaviour},
  booktitle = {Proceedings of EuroHCIR},
  year = 	 2013,
  location =     {Dublin},
  note = 	 {\url{http://es.csiro.au/pubs/thomas_eurohcir13.pdf}}
}