PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Description of the Related Art Conventionally, when a plurality of electronic devices are connected to one another through wiring or simultaneously used, those electronic devices are typically mounted on a rack (a structure for accommodating the devices such as a shelf, support, or the like) to reduce setting space or improve working efficiency.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com