PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In addition the process uses less energy and consumables such as water, so there is a clear advantage, he claims, adding: Propylene [prices] follow crude, whereas glycerine is a byproduct of biodiesel production.
http://www.w3.org/ns/prov#wasQuotedFrom
  • icis.com