| http://www.w3.org/ns/prov#value | - One such system is that set out in U.S. Pat. No. 5,263,723, described for use in interactive baseball, basketball, football, hockey, soccer, golf and other events, where individual player performances may be presented in the form of selected statistics, and wherein each participant in the contest is given a certain amount of imaginary dollars with which to purchase a subset of selected players.
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