PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Silica is a toxin if inhaled and can cause mesothelioma or other chronic COPD diseases.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ourhealth.com