PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The proposed plant, called a cracker in the industry, would take ethane out of natural gas and convert it into the basic materials for literally hundreds of consumer and industrial materials, including plastics, fertilizers and antifreeze.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tribtoday.com