PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This innovation differs from RML and IKSL in that it is not prepaid; the system is a search engine, and the user pays for each query at the point of purchase.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ictinagriculture.org