PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In other words, to avoid prosecution, website operators and other content providers would be put in the position of either removing content that might be deemed ???harmful to minors,??? or putting it behind a firewall and limiting access via some kind of age-verification technology.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pbs.org