PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Under established principles of best execution, a broker-dealer is entitled to consider the cost and difficulty of trading in a particular market, including the costs and difficulty of assessing the liquidity available in that market, in determining whether the prices or other benefits offered by that market are reasonably available.
http://www.w3.org/ns/prov#wasQuotedFrom
  • federalregister.gov