PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It???s important to keep free radicals in check, as they may contribute to aging, cancer and chronic diseases such as heart disease and Parkinson???s disease.
http://www.w3.org/ns/prov#wasQuotedFrom
  • lifed.com