PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In 2007, a team of researchers led by David Nutt of Bristol University in the U.K. said alcohol was the fifth most dangerous out of 20 harmful substances including heroin and cocaine, more harmful than illegal drugs such as amphetamines, marijuana and ecstasy, which are banned in most countries.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chosun.com