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We have been developing a spoken dialog system. Conventional spoken dialog systems need grammar descriptions and scripts of a dialog, that are difficult to develop. The system proposed in this paper is based on semantic frames, and the system generates the recognition grammar from the frames automatically. As the system requires only a frame-based(More)
Preface This volume contains two invited papers and twelve technical papers presented at the First International Natural Language Understanding related to robot actions has become increasingly important in recent years due to rapid advancements in the field of computer graphics, speech recognition, natural language processing, and humanoid robots. It has(More)
Speech recognition under noisy environment is one of the hottest topic in the speech recognition research. In this paper, we propose a method to improve accuracy of spoken dialog system from a dialog strategy point of view. In the proposed method, the dialog system automatically changes its dialog strategy according to the estimated recognition accuracy in(More)
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