PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ozone, also known as smog, is known to endanger patients with asthma, COPD and other respiratory conditions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • terradaily.com