PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Alzheimer's disease usually affects people over age 65, although it can appear in people as young as 40, especially in some familial forms of the disease.
http://www.w3.org/ns/prov#wasQuotedFrom
  • infoplease.com