PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is well known that artificial textile fibers can be prepared from vegetable and animal protein, such as soy protein, corn protein, peanut protein, casein and keratin.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com