@misc{OWL2-profiles,
  title = "OWL 2 Web Ontology Language: Profiles",
  author = "Boris Motik and Bernardo Cuenca Grau and Ian Horrocks and Zhe Wu and Achille Fokoue and Carsten Lutz",
  year = "2009",
  howpublished = "World Wide Web Consortium (W3C) Recommendation",
}