PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Boilers and process heaters are common components of a wide variety of industrial facilities ??? refineries, pulp and lumber mills, food processors, chemical manufacturers, smelters, glass makers, and other factories ??? as well as large institutional facilities like universities and hospitals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com