PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many researchers believe that the main cause of this warming is carbon dioxide and other greenhouse gases" released into the atmosphere as a result of human activity, particularly industrial activity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aish.com