PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some schools may opt to place an outright ban on social-media access at school as well as prohibit friending parents, students and other employees.
http://www.w3.org/ns/prov#wasQuotedFrom
  • diigo.com