PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The 22nd-highest-volume industrial chemical (10.89 billion pounds produced in 1995), carbon dioxide is a colorless and odorless gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • firehouse.com