@article{KangTF11,
  author    = {U. Kang and
               Charalampos E. Tsourakakis and
               Christos Faloutsos},
  title     = {PEGASUS: mining peta-scale graphs},
  journal   = {Knowl. Inf. Syst.},
  volume    = {27},
  number    = {2},
  year      = {2011},
  pages     = {303-325},
  ee        = {http://dx.doi.org/10.1007/s10115-010-0305-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}