PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On the other hand, the transesterification of crude oil is a process which uses chemicals like methanol and catalysts such as caustic soda.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mixph.com