PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Calcium phosphate, especially hydroxylapatite has been found to be useful as a biomaterial such as osseous filling materials and as a packing material for a liquid chromatography.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com