fuzzy inference fuzzy rules
By introducing fuzzy inference in RL, approximating the state-action value function with fuzzy rules in continuous space becomes possible. The IF - THEN form of fuzzy rules make this approach suitable for expressing the results in a form close to natural language. Extending FRL with Fuzzy Rule Interpolation  allows the use of reduced size sparse fuzzy rule-bases to emphasize cardinal rules (most important state-action values).
