PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A history of glaucoma in the family, or general health problems such as diabetes, hardening of the arteries, or anemia are examples of risk factors.
http://www.w3.org/ns/prov#wasQuotedFrom
  • eyecentersurgeons.com