PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The hierarchy comprises Level 1 assets and liabilities, which are measured using ???observable??? inputs, such as quoted prices in active markets; Level 2 inputs, which are based on observable information, such as quoted prices in similar markets; and Level 3 items, which are the most difficult to measure, as they are illiquid assets and liabilities that must be valued using internal models.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cfo.com