@article{DBLP:journals/amai/LSM13, title = "Query Answering under Probabilistic Uncertainty in Datalog+⁄− Ontologies", author = "Georg Gottlob and Thomas Lukasiewicz and Maria Vanina Martinez and Gerardo I. Simari", year = "2013", journal = "Annals of Mathematics and Artificial Intelligence", month = "September", number = "1", pages = "37-72", url = "http://dx.doi.org/10.1007/s10472-013-9342-1", volume = "69", }