@article{lebo2013prov,
  title = "Prov-o: The prov ontology",
  author = "Lebo, Timothy and Sahoo, Satya and McGuinness, Deborah and Belhajjame, Khalid and Cheney, James and Corsar, David and Garijo, Daniel and Soiland-Reyes, Stian and Zednik, Stephan and Zhao, Jun",
  year = "2013",
  journal = "W3C Recommendation, http://www. w3. org/TR/prov-o/(accessed 30 Apr 2013)",
}