PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Tobacco smoke contains more than 4,000 chemicals, including carcinogens and mutagens, which either alone or in combination may influence gene expression.
http://www.w3.org/ns/prov#wasQuotedFrom
  • healthtech.com