PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The partial oxidation of the organic material in this layer raises the temperature of the material to approximately 900??? C. The organic material is surrounded by carbon dioxide and other gases and in the process of releasing further volatiles, the input material changes into activated carbon.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com