PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • REM sleep disorder may lead to untimely death of brain cells, causing Alzheimer's and Parkinson's and other diseases
http://www.w3.org/ns/prov#wasQuotedFrom
  • naturalnews.com