PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Collagen can be extracted from various structural tissues as is known in the art and reformed into sheets or tubes, or other shapes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es