@inbook{DBLP:books/sp/virgilio09/CaliGL09,
  title = "Semantic Web Information Management - A Model-Based Perspective",
  author = "Andrea Cal\`{\i} and Georg Gottlob and Thomas Lukasiewicz",
  year = "2009",
  booktitle = "Semantic Web Information Management",
  editor = "Roberto De Virgilio and Fausto Giunchiglia and Letizia Tanca",
  isbn = "978-3-642-04328-4",
  pages = "249-279",
  publisher = "Springer",
  url = "http://dx.doi.org/10.1007/978-3-642-04329-1_12",
}