PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The public display of flags to mark other events, such as the election of the president or the death of a prominent politician (whereupon flags would be at half-mast), can be declared at the discretion of the Federal Ministry of the Interior.[16] When flags are required to be flown at half-mast, vertical flags are not lowered.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org