@Article{joachims2007evaluating,
  author = {Joachims, Thorsten and Granka, Laura and Pan, Bing and Hembrooke, Helene and Radlinski, Filip and Gay, Geri},
  title  = {Evaluating the accuracy of implicit feedback from clicks and query reformulations in Web search},
  journal = {ACM Trans. Inf. Syst.},
  year   = {2007},
  number = {2},
  url    = {http://portal.acm.org/citation.cfm?id=1229181},
  doi = {10.1145/1229179.1229181},
  const  = {\ text}
}
@Inproceedings{joachims2005accurately,
  author = {Joachims, Thorsten and Granka, Laura and Pan, Bing and Hembrooke, Helene and Gay, Geri},
  title  = {Accurately interpreting clickthrough data as implicit feedback},

  year   = {2005},
  number = {},
  url    = {http://doi.acm.org/10.1145/1076034.1076063},
  doi = {10.1145/1076034.1076063},
  const  = {\ text}
}
@Inproceedings{joachims2005accurately,
  author = {Joachims, Thorsten and Granka, Laura and Pan, Bing and Hembrooke, Helene and Gay, Geri},
  title  = {Accurately interpreting clickthrough data as implicit feedback},

  year   = {2005},
  number = {},
  url    = {http://portal.acm.org/citation.cfm?id=1076063},
  doi = {10.1145/1076034.1076063},
  const  = {\ text}
}