PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Aside from the classic metal/ plastic and titanium /acetate frame materials, plastic, eco friendly glasses frame materials are now available, including plastics created from sustainable sources, like oil from castor beans.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wordpress.com