PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It???s a much more flexible and stronger material than ABS or PLA, and its self-lubricating qualities lend itself well to gears and other mechanical parts.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hackaday.com