PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The condition is more likely to arise if you are under stress and/or have disturbed sleep cycles due to shift work, narcolepsy, sleep deprivation, jet lag, and other sleep disorders.
http://www.w3.org/ns/prov#wasQuotedFrom
  • world-of-lucid-dreaming.com