PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This situation becomes even more difficult when children use consumer devices and services away from home such as at school or at an Internet caf???.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com