PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While downloading home screens is free, you???ll notice that the greyed out icons denote apps that aren???t yet installed ??? this can be anything such as a free one like Path, or a paid-for one, in which case if you want to use the home screen as designed, you???ll need to pay for the app. You also have the option of simply making the shortcut point at something else.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thenextweb.com