@InProceedings{costa05:semi,
  author =       {Paolo Costa and Gian Pietro Picco},
  title =        {{Semi-probabilistic Content-based Publish-subscribe}},
  booktitle = {Proceedings of the 25$^{th}$ International Conference on Distributed Computing Systems (ICDCS05)},
  pages =     {575--585},
  year =      2005,
  OPTeditor =    {},
  OPTvolume =    {},
  OPTnumber =    {},
  OPTseries =    {},
  address =   {Columbus (OH, USA)},
  month =     jun,
  OPTorganization = {},
  publisher = {IEEE Computer Society Press}
}