PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But studies have shown that having a propensity for these severe and sometimes disabling headaches can also increase the risk for cardiovascular events such as stroke and heart attack.
http://www.w3.org/ns/prov#wasQuotedFrom
  • 23andme.com