PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It turns out that the most popular types of candles, which are paraffin based, can emit such toxic chemicals as toluene and benzene, while soybean based candles did not.
http://www.w3.org/ns/prov#wasQuotedFrom
  • healthytheory.com