PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • WARN also provided broad discretion to mobile operators about what alerts they would have to pass on to customers, and mobile companies could also offer subscribers the capability of preventing the subscriber's device from receiving such alerts, or classes of such alerts, other than an alert issued by the President.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arstechnica.com