PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the future, it???s possible that governments and other institutions might call on Facebook to help warn people of impending tsunamis or tornados, tainted food products, fleeing suspects in violent crimes, or even terrorist attacks.
http://www.w3.org/ns/prov#wasQuotedFrom
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