PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Catastrophes can be caused by various events, including hurricanes, typhoons, earthquakes, hailstorms, floods, explosions, severe winter weather, fires, and other natural or man-made disasters.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov