PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In practice, that means if there was a story in your News Feed before, but you missed it because you didn't scroll down to see it, Facebook will put it up top the next time you visit the site if Facebook believes that story is more relevant to you than all the new ones created since you last checked the site.
http://www.w3.org/ns/prov#wasQuotedFrom
  • businessinsider.com