PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Alcohol and opiates are more likely to cause physical symptoms compared to drugs such as cocaine and ecstasy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com