PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The pyrolysis feedstock may be any suitable wood product, but is preferably hardwoods such as maple, hickory, birch, oak, beech or poplar.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com