PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The four most common sleep disorders are insomnia, sleep apnea, narcolepsy and restless leg syndrome (RLS).
http://www.w3.org/ns/prov#wasQuotedFrom
  • adena.org