@article{DBLP:journals/ipm/GunsLL12,
  author    = {Raf Guns and
               Christina Lioma and
               Birger Larsen},
  title     = {The tipping point: F-score as a function of the number of retrieved
               items},
  journal   = {Inf. Process. Manage.},
  volume    = {48},
  number    = {6},
  pages     = {1171--1180},
  year      = {2012},
  url       = {http://dx.doi.org/10.1016/j.ipm.2012.02.009},
  doi       = {10.1016/j.ipm.2012.02.009},
  timestamp = {Mon, 24 Sep 2012 20:58:28 +0200},
  biburl    = {http://dblp.uni-trier.de/rec/bib/journals/ipm/GunsLL12},
  bibsource = {dblp computer science bibliography, http://dblp.org}
}