PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To account for the origin of sulphur in animal organisms, it is necessary to go back to the soils, to those salts, such as gypsum, sulphate of ammonia, etc., which contain sulphur in combination.
http://www.w3.org/ns/prov#wasQuotedFrom
  • unc.edu