PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Parents, teachers, or caregivers can use blocking software to prevent access to certain Web sites and other information available over the Internet. (See also Client-based filter and Filtering software)
http://www.w3.org/ns/prov#wasQuotedFrom
  • getnetwise.org