PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In a 2002 poll, the National Sleep Foundation found that the average American adult was sleeping 6.9 hours a night, leading to fatigue, exhaustion and other symptoms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • drpepi.com