PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Coal is composed mainly of carbon (50-98 percent), hydrogen (3-13 percent) and oxygen, with lesser amounts of nitrogen, sulphur and other elements.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newscotland1398.ca