PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • During this procedure, a variety of physiological functions are externally detected and recorded during sleep, such as the electrical activity in the brain, eye movement, muscle activity, heart rate, respiratory effort, and blood oxygen levels.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com