PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • @Tony - I think the overlap of audiences is a contributing factor, and applies to blogs also eg there is no point me just linking to something that Downes has linked to, because my readership is likely a subset of his (although adding commentary is valid).
http://www.w3.org/ns/prov#wasQuotedFrom
  • typepad.co.uk