System and method to review the processing of data according to user entered corrections

To accurately perform a process of natural language information, such as a process for generating a sentence from a concept, or a process for recognizing each character which constitutes a sentence, if, after input information is processed and the processed results thereof are output, a part of the output processed results is corrected, the process for the entire input information is reviewed on the basis of the corrected result. As a result, the corrected results of a certain portion can be reflected in another portion.