PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The size and severity of the event caused call centers and web sites to be overwhelmed with demand, and drove several government agencies to revert to social media such as Facebook and Twitter to send out information as well as to monitor how that was being used by citizens to share relevant information about how the situation was developing.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gartner.com