PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They had to endure terrible working conditions, including 12- to 14-hour days and low wages.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newworldencyclopedia.org