PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In connection with manufacturing of synthesis gas from powdered coal and the like, there is a necessity for cooling the hot synthesis gas, and it must be done in a gas cooler.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com