PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The activity feed displays stories when users interact with content on your site, such as like, watch, read, play or any custom action.
http://www.w3.org/ns/prov#wasQuotedFrom
  • joomla.org