PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Today, spread betting is the biggest and most common form of financial betting in the UK. Quite simply, you bet on a financial market with a spread of prices and returns based on the likely direction of that market.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dummies.com