@book{OPUS4-7230,
  title     = {Proceedings of the 8th Ph.D. retreat of the HPI research school on service-oriented systems engineering},
  editor    = {Christoph Meinel and Hasso Plattner and J{\"u}rgen Roland Friedrich D{\"o}llner and Mathias Weske and Andreas Polze and Robert Hirschfeld and Felix Naumann and Holger Giese and Patrick Baudisch},
  number    = {95},
  isbn      = {978-3-86956-320-6},
  year      = {2015},
}