@inproceedings{DBLP:conf/rr/GottlobLS11,
  title = "Conjunctive Query Answering in Probabilistic Datalog+⁄− Ontologies",
  author = "Georg Gottlob and Thomas Lukasiewicz and Gerardo I. Simari",
  year = "2011",
  booktitle = "Proceedings of the 5th International Conference on Web Reasoning and Rule Systems, RR 2011, Galway, Ireland, August 29-30, 2011",
  editor = "Sebastian Rudolph and Claudio Gutierrez",
  isbn = "978-3-642-23579-5",
  pages = "77-92",
  publisher = "Springer",
  series = "Lecture Notes in Computer Science",
  url = "http://dx.doi.org/10.1007/978-3-642-23580-1_7",
  volume = "6902",
}