@article{DBLP:journals/jws/FGGL11,
  title = "Semantic Web Search Based on Ontological Conjunctive Queries",
  author = "Bettina Fazzinga and Giorgio Gianforme and Georg Gottlob and Thomas Lukasiewicz",
  year = "2011",
  journal = "Journal of Web Semantics",
  month = "December",
  pages = "453-473",
  url = "http://dx.doi.org/10.1016/j.websem.2011.08.003",
  volume = "9",
}