PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They implement variables such as race, age, education, family structure, household income, interest rate, median home price, annual home price appreciation, financial assets and liabilities, wealth, and debt.
http://www.w3.org/ns/prov#wasQuotedFrom
  • heritage.org