PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This partially digested material is usually acidic and can irritate the esophagus, causing heartburn and other symptoms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • drug3k.com