PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since 1990, the prospect that the earth's atmosphere might heat up too much -- because of carbon dioxide and other greenhouse gases" -- has been a hotly debated topic.
http://www.w3.org/ns/prov#wasQuotedFrom
  • infomutt.com