PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Electric current sufficient to light a string of LEDs, activate an e-paper display or even trigger action by a computer can be generated by tapping or rubbing simple, flexible generators made of paper, thin sheets of plastic and other everyday materials, researchers at Disney Research, Pittsburgh, have demonstrated.
http://www.w3.org/ns/prov#wasQuotedFrom
  • eurekalert.org