PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The U.S. Consumer Product Safety Commission (CPSC) and the Centers for Disease Control and Prevention (CDC) are urging consumers to schedule a professional inspection of all fuelburning heating systems, including furnaces, boilers, fireplaces, wood stoves, water heaters, chimneys, flues and vents.
http://www.w3.org/ns/prov#wasQuotedFrom
  • azlibrary.gov