@misc{ leitner:costOpt,
  title = {Cost-Based Optimization of Service Compositions}
}
,
  url = {http://www.infosys.tuwien.ac.at/staff/leitner/TUV-1841-2011-01.pdf}
}
,
  author = {Leitner, Philipp and Hummer, Waldemar and Dustdar, Schahram}
}
,
  year = {2011}
}
,
  howpublished = {Technical Report (TUV-1841-2011-01), Vienna University of Technology}
}
,
  type = {4. Technical Reports}
}