PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It suggested that global warming was increasing, mainly because of human activities that involved emission of greenhouse gases" such as carbon dioxide, methane and nitrous oxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tradearabia.com