PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In general, children ages 8 to 18 spend more time (44.5 hours per week) in front of computers, televisions and game screens than any other activity in their lives except sleeping, according to studies by the Kaiser Family Foundation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ning.com