PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, when the heating is conducted at a too high temperature, the sulfur element is oxidized into gases such as sulfur dioxide to fly off from the compound formed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com