PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Experts recommend limiting screen time, including TV, DVDs, video games, smartphones, tablets, and computers, to no more than 2 hours per day.
http://www.w3.org/ns/prov#wasQuotedFrom
  • allkids.org