PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Researchers at TECNARO mix lignin with fine natural fibers made of wood, hemp or flax and natural additives such as wax.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mongabay.com