PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • And when we think of a way to understand sleep and wakefulness better, it is natural to think of biologists, behavioral scientists, neuroscientists and even mattress makers who for years have studied all kinds of animals and approaches to help us get a better night's sleep.
http://www.w3.org/ns/prov#wasQuotedFrom
  • medicalxpress.com