PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some school districts -- most notably New York City's -- have limited contact by public school teachers with students on Facebook and Twitter, except on pages set up for classroom use.[1]
http://www.w3.org/ns/prov#wasQuotedFrom
  • conservapedia.com