@proceedings{DBLP:conf/hpdc/2009upgrade,
  editor    = {Giancarlo Fortino and
               Carlo Mastroianni and
               Al-Mukaddim Khan Pathan and
               Athena Vakali},
  title     = {Proceedings of the 4th Workshop on the Use of P2P, GRID
               and Agents for the Development of Content Networks, UPGRADE-CN'09,
               jointly held with the 18th International Symposium on High-Performance
               Distributed Computing (HPDC-18 2009), 10 June 2009, Garching
               near Munich, Germany},
  booktitle = {UPGRADE-CN},
  publisher = {ACM},
  year      = {2009},
  isbn      = {978-1-60558-591-8},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}