PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For decades, medications have been used to treat the symptoms of ADHD. The medications that seem to be the most effective are a class of drugs known as stimulants, such as Ritalin.
http://www.w3.org/ns/prov#wasQuotedFrom
  • infoplease.com