PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Any mechanical system would be more prone to failure, so having a way for the user to interact with the lamp without any mechanical parts such as a button or lever would be a good design, something the people of The Long Now Foundation have to ponder.
http://www.w3.org/ns/prov#wasQuotedFrom
  • forgetomori.com