PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • No matter how often the myth of eternal low prices is repeated, the reality is that natural gas is a volatile commodity with a volatile price history that is partially based on its gaseous nature.
http://www.w3.org/ns/prov#wasQuotedFrom
  • atomicinsights.com