PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The companies reported that both they and the research institutions made considerable contributions to the R&D, such as knowledge or expertise essential to the project.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gao.gov