PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The liquid feedstream comprises a mixture of C4 -C6 hydrocarbons and impurities including at least one of sulfur compounds, oxygenates, and olefins.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com