PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The only relevant standard is whether aggregators will harvest my feed if it is missing this tag.Another way it could make matters worse is that, if the globally unique identifier is not a URL, then each post must be submitted to a central registration process in order to acquire such an identifier (or at the very least, each post-producing site must do so).
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com