PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A non-exhaustive list of examples of a machine-readable medium would include: an electrical connection having one or more wires, a portable magnetic or optical disk, a volatile memory such as a Random Access Memory ???RAM???, a Read-Only Memory ???ROM???, an Erasable Programmable Read-Only Memory (EPROM or Flash memory), or an optical fiber.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com