@article{<a href="http://dblp.uni-trier.de/db/about/bibtex.html">DBLP</a>:journals/pvldb/BahmaniMVKV12,
  author    = {Bahman Bahmani and
               Benjamin Moseley and
               Andrea Vattani and
               Ravi Kumar and
               Sergei Vassilvitskii},
  title     = {Scalable K-Means++},
  journal   = {PVLDB},
  volume    = {5},
  number    = {7},
  year      = {2012},
  pages     = {622-633},
  ee        = {http://vldb.org/pvldb/vol5/p622_bahmanbahmani_vldb2012.pdf},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}