PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In many large rivers, only 5 percent of former water volumes remain in-stream and some rivers such as China's Huang He (Yellow River) no longer reach the sea year-round.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tradearabia.com