PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The system is designed to have three types of messages - AMBER Alerts, imminent threat messages including weather alerts, and presidential messages.
http://www.w3.org/ns/prov#wasQuotedFrom
  • timesrepublican.com