PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Pollution control devices such as catalytic converters and diesel particulate filters or traps are well known, and are most typically used to purify the exhaust gasses produced by internal combustion engines.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es