@inproceedings{Pitoura_08,
  author    = {Theoni Pitoura and Peter Triantafillou},
  title     = {Self-Join Size Estimation in Large-scale Distributed Data
               Systems},
  booktitle = {ICDE},
  year      = {2008},
  pages     = {764-773},
  URL       = {http://netcins.ceid.upatras.gr/papers/ICDE08_conference_0327.pdf},

}