PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • All of the above would require the user to opt in, legally speaking, in the US anyway, unless of course there is a warrant.
http://www.w3.org/ns/prov#wasQuotedFrom
  • modmyi.com