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An efficient search function based on topic estimation was integrated to our spoken dialogue system for academic document information retrieval. The following two points were mainly studied: 1) to properly categorize documents (to be retrieved) into related topics, and 2) to facilitate retrieval process using topic knowledge. For the first point, a method(More)
This paper presents an intelligent system for information retrieval based on human-machine dialogue through spoken language with novel features such as use of key concepts, unknown word processing, dialogue management through user and system modeling, and automatic acquisition of knowledge to adapt the system to individual users. It then describes an(More)
We have developed a method for multimodal observation of infant development. In order to analyze development of problem solving skills by observing scenes of task achievement or communication with others, we have introduced a method for extracting detailed behavioral features expressed by gestures or eyes. We have realized an environment for recording(More)
A prosodic labeling support system has been developed. Large-scale prosodic databases are strongly desired for years, however, the construction of databases depend on hand labeling , because of the variety of prosody. We aim at not automating the whole labeling process, but making the hand labeling work more efficient by providing the labelers with the(More)
In order to create air conditioning service scenarios adaptive to elderly people, we have conducted detailed situational analyses focusing on bodily feeling information. The practical experimental environment has introduced our constructed indoor interaction system to understand situations based on bodily feeling and to control air conditioners properly.(More)