PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When pollutants released from tailpipes and smokestacks get into the air we breathe, it can cause health problems ??? including asthma, bronchitis, and other respiratory problems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • denvergov.org