PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • CSIRO???s John Barnes says standard laser 3D printers, which need to run chillers and other equipment, are far less efficient than the electron-beam units CSIRO uses for titanium printing.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ecosmagazine.com