PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On the other hand, maple syrup and maple sugar, also derived from trees, would be ???agricultural commodities.??? Rayon, which is a fiber derived from trees or other plants, falls out of category two because it is not a natural fiber???i.e., it must be chemically processed from cellulose before it becomes fiber.
http://www.w3.org/ns/prov#wasQuotedFrom
  • federalregister.gov