PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • it is estimated that more than five million people in the U.S. have Alzheimer's diseases and other forms of dementia.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wwnytv.com