PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The researchers controlled how many hours of sleep participants got, as well as when they slept, and other factors such as activities and diet.
http://www.w3.org/ns/prov#wasQuotedFrom
  • medicalxpress.com