Patent US 7,869,797

A communication system for providing data corresponding to a request from a user and charging the user for the data provided, when the user designates a result of a desired operation A usage management unit selects a processor, corresponding to the user's designation, which effect operations corresponding to a plurality of different algorithms, respectively. When the processor corresponding to the designation is selected, an algorithm processor makes an operation corresponding to the designation. A management center charges the user for the use of the algorithm.