@InProceedings{white_clarke_cucerzan:qs,
  author =       {R.W. White and C.L.A. Clarke and S. Cucerzan},
  title =        {Comparing Query Logs and Pseudo-Relevance Feedback for Web-Search Query Refinement},
  booktitle =    {Proceedings of SIGIR 2007},
  pages =        {831--832},
  year =         2007,
  url =          http://research.microsoft.com/users/silviu/Papers/sigir07-3.pdf
}