PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Commercial speech, which applies primarily to ads or other speech where the goal is to sell a product or service, enjoys less protection under the First Amendment and can permissibly be restricted in ways which are not acceptable when it comes to, say, political speech.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thefire.org