PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This doesn???t mean tagging tweets (although it might be a starting point), but e.g. relating them to content that has been previously published or promoting it based on who forwarded it to whom and what relation that group has to your social context.
http://www.w3.org/ns/prov#wasQuotedFrom
  • businessgametime.com