PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These blocked categories are the usual porn and gambling sites, but also discussion forums" and anything weapon/bomb related except sites related to the gun control issue.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thehighroad.org