PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some sources say that the discovery of fireworks occurred about 2,000 years ago, and other sources place the discovery sometime during the 9th century during the Song dynasty (960-1279), although this could be confusion between the discovery of gunpowder by the cook and the invention of the firecracker.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cultural-china.com