MACHINE LEARNING SYSTEM AND MACHINE LEARNING METHOD

摘要

PROBLEM TO BE SOLVED: To adaptively select a parametrically-expressed state space and a non-parametrically-expressed state space.SOLUTION: A machine learning system (1) comprises: knowledge acquisition means (12) for generating a parametrically-expressed class set through reinforcement learning on the basis of a reward or penalty given to input and output to the input; knowledge reconstitution means (14) for generating a non-parametrically-expressed class set, on the basis of the learned input used for the generation of the parametrically-expressed class set; and knowledge utilization means (16) for performing class determination of determining to which of the non-parametrically-expressed classes unknown input belongs, and performing output corresponding to a result of the determination. The knowledge reconstitution means (14) generates the non-parametrically-expressed class set when the number of learned inputs is greater than a predetermined number and a variance of each of the parametrically-expressed classes is less than a predetermined value.