PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • All soil is made up of three basic sort of particles---sand, silt, and clay---to varying proportions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • equiculture.org