@article{<a href="http://dblp.uni-trier.de/db/about/bibtex.html">DBLP</a>:journals/pvldb/CaoSTC12,
  author    = {Caleb Chen Cao and
               Jieying She and
               Yongxin Tong and
               Lei Chen},
  title     = {Whom to Ask? Jury Selection for Decision Making Tasks on
               Micro-blog Services},
  journal   = {PVLDB},
  volume    = {5},
  number    = {11},
  year      = {2012},
  pages     = {1495-1506},
  ee        = {http://vldb.org/pvldb/vol5/p1495_calebchencao_vldb2012.pdf},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}