PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Demand has been consistent for pipes from several sectors, including oil & gas, ship-building, food and construction & infrastructure.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tradearabia.com