PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Presently, CCO holds more that 20,000 concepts (more than 1,000 bio-molecules and over 9,000 interactions) and more than 20 types of relation
http://www.w3.org/ns/prov#wasQuotedFrom
  • nih.gov