PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In China, municipal water used in the manufacturing process is often contaminated with heavy metals, pesticides and other chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com