PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Down syndrome is always associated with mental retardation, and is often associated with physical problems such as heart defects and difficulties with sight and hearing.
http://www.w3.org/ns/prov#wasQuotedFrom
  • womenandinfants.org