PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The late 19th century was long before human activity had resulted in major emissions of greenhouse gases such as carbon dioxide, methane, and chlorofluorocarbons (the latter wouldn???t even be invented for another half-century).
http://www.w3.org/ns/prov#wasQuotedFrom
  • worldclimatereport.com