PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This brings me to the idea to design gadgets which are powered by air, e.g. using a vacuum cleaner.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thingiverse.com