Modeling of Human Information Processing in the Daily Conversational Situation and its Computer Simulation

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The major purposes of this project are to investigate the basic meaning and the structure of human social interactions, in particular, those manifested in the daily conversational situation, and also to test the validity of the obtained model of Japanese conversational utterances by means of computer simulation.We have succeeded in this project in making discoveries of a number of significant features of Japanese conversational utterances through experimental and other analyses, even though it has to be conceded that just as many other features are still left unexplored. We are now on the way of constructing an experimental model of NENE the chatting machine on the basis of the findings so far obtained. At the present stage, however, we would not be able to expect a very high performance of this experimental machine even when it is completed, mainly for the reason that the kind of conversational situations and the types of conversational utterances have to be severely restructued for t … More he machine to be able to handle them. A continued effort to improve the model and the machine will thus be called for.One of the major implications we have obtained in the process of our investigation is that a lot more basic researches would have to be undertaken than those currently under way in the areas of cognitive science and social psychology, before we could ever come to understand the real nature of daily conversation. From such a viewpoint, we have done our share of investigations in the areas such as theoretical foundation of social interactions, experimental investigations concerning social interaction and person perception, and influences of various socio-psychological factors upon the production of utterances and the cognition of these utterances.To mention one more of our major endeavors done in this project, we have initiated an experimental investigation of the human creative understanding of the world, in the hope of bridging the largest remaining gap between the human and the artificial knowledge representations. Less