PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ozone can cause problems such as chest pain, coughing and throat irritation and can worsen bronchitis, emphysema and asthma.
http://www.w3.org/ns/prov#wasQuotedFrom
  • westerncity.com