@article{DBLP:journals/sigmod/CaliGLP11,
  title = "A Logical Toolbox for Ontological Reasoning",
  author = "Andrea Cal\`{\i} and Georg Gottlob and Thomas Lukasiewicz and Andreas Pieris",
  year = "2011",
  journal = "SIGMOD Record",
  number = "3",
  pages = "5--14",
  url = "http://dx.doi.org/10.1145/2070736.2070738",
  volume = "40",
}