PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • classes of drugs: opioid-based painkillers, such as Vicodin, OxyContin, percocet and the like and benzodiazepines.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newzwen.com