PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Reviews can be given a rating by readers (who are themselves REs), hence reviewrs will get objectively evaluated and will be assigned a kind of ???karma??? that indicates the average usefulness of their reviews (many sites such as Slashdot and Amazon have such a feature).
http://www.w3.org/ns/prov#wasQuotedFrom
  • homolog.us