PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The process is highly scalable allowing complex parts ?? using composite materials such as copper and aluminum ?? to be created in a single step.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org