PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It may sound like something out of a British murder mystery, but arsenic is a naturally occurring element that can contaminate groundwater.
http://www.w3.org/ns/prov#wasQuotedFrom
  • organicauthority.com