PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Emissions from such boilers are the second-biggest source, behind power plants, of harmful toxins such as mercury and lead.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pressherald.com