PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 3D printers are becoming compatible with new materials all the time, including metals, paper, resin and even pizza ingredients.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gigaom.com