PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Caffeine is a stimulant and may cause poor sleep.Nicotine (from smoking) is a stimulant, and it would help not to smoke.Street drugsStreet drugs (for example, ecstasy, cocaine, cannabis and amfetamines) can affect sleep.Prescribed medicinesSome medicines sometimes interfere with sleep.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patient.co.uk