@article{DBLP:journals/semweb/CalvaneseL13,
  title = "Preface",
  author = "Diego Calvanese and Thomas Lukasiewicz",
  year = "2013",
  journal = "Semantic Web",
  number = "4",
  pages = "349",
  url = "http://dx.doi.org/10.3233/SW-130124",
  volume = "4",
}