PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A drug used to treat rheumatoid arthritis, childhood leukemia, and other conditions is in short supply, and many patients are worried.
http://www.w3.org/ns/prov#wasQuotedFrom
  • everydayhealth.com