@Proceedings{Riehle2014,
  title        = {Proceedings of the International Symposium on Open Collaboration, OpenSym 2014, Berlin, {Germany}, {August} 27 - 29, 2014},
  editor       = {Dirk Riehle and Jesus M. Gonzalez{-}Barahona and Gregorio Robles and Kathrin M. M{\"o}slein and Ina Kathrin Schieferdecker and Ulrike Cress and Astrid Wichmann and Brent Hecht and Nicolas Jullien},
  isbn         = {978-1-4503-3016-9},
  publisher    = {{ACM}},
  doi          = {10.1145/2641580},
  year         = {2014},
  type			= {book}
}