PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • BACKGROUND OF THE INVENTION [0002] Conventional clamshell type laptop computers have an upper display unit rotatably connected to a main module that holds a processor unit, a keyboard, a pointing device, data storage devices, and other peripherals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com