PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • First, propane???s high octane rating and other properties make it perfect for spark-ignited internal combustion engines.
http://www.w3.org/ns/prov#wasQuotedFrom
  • investorplace.com