PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It includes, as mentioned, news feed items like photos, events, videos, posted items and other information that your friends are creating.
http://www.w3.org/ns/prov#wasQuotedFrom
  • venturebeat.com