PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There is a European Union directive concerning the marketing of forest reproductive material which has categories and types of material that are similar to the OECD scheme, and is based on it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fao.org