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   PROV-O: The PROV Ontology.  Technical Report. UNSPECIFIED.