@inproceedings{DBLP:conf/ppdp/AlbertiGLCMM06,
  author    = {Marco Alberti and
               Marco Gavanelli and
               Evelina Lamma and
               Federico Chesani and
               Paola Mello and
               Marco Montali},
  title     = {An abductive framework for a-priori verification of web
               services},
  booktitle = {PPDP},
  year      = {2006},
  pages     = {39-50},
  ee        = {http://doi.acm.org/10.1145/1140335.1140342},
  crossref  = {DBLP:conf/ppdp/2006},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/ppdp/2006,
  editor    = {Annalisa Bossi and
               Michael J. Maher},
  title     = {Proceedings of the 8th International ACM SIGPLAN Conference
               on Principles and Practice of Declarative Programming, July
               10-12, 2006, Venice, Italy},
  booktitle = {PPDP},
  publisher = {ACM},
  year      = {2006},
  isbn      = {1-59593-388-3},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}