@article{DBLP:journals/corr/ZengZLSZ14,
  author    = {Wei Zeng and
               An Zeng and
               Hao Liu and
               Ming{-}Sheng Shang and
               Tao Zhou},
  title     = {Uncovering the information core in recommender systems},
  journal   = {CoRR},
  volume    = {abs/1402.6132},
  year      = {2014},
  url       = {http://arxiv.org/abs/1402.6132},
  timestamp = {Wed, 05 Mar 2014 14:43:44 +0100},
  biburl    = {http://dblp.uni-trier.de/rec/bib/journals/corr/ZengZLSZ14},
  bibsource = {dblp computer science bibliography, http://dblp.org}
}