Acquisition of the human characteristics through dialogue with a robot at home

User´s life-logs include various and useful information. Life-logs can be used for health care and improve daily living recasting his/her daily life. Our aim is monitoring a user´s life for acquiring user´s life-logs. In previous research, life-logs is acquired using user´s GPS data or estimating daily activities. These methods are useful for estimation of what he/she did or where he/she went, however it is difficult to estimate user´s likes and tastes. Therefore, this paper focuses on the dialogue with the robot. In this research, the authors experiment to what feature can be acquired through dialogue with the robot for the acquisition of the user´s likes and tastes.