PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Be aware of the caffeine content in foods and beverages such as coffee, tea, soft drinks, cocoa and chocolate.
http://www.w3.org/ns/prov#wasQuotedFrom
  • drug3k.com