PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The ancient Greeks used the herb St. John's wort to treat a variety of medical conditions, including depression, and today it???s one of the most commonly used supplements in the United States.
http://www.w3.org/ns/prov#wasQuotedFrom
  • charismamag.com