Patent ID: 7987091
Filing Date: 2011-07-26
Classification: G10L

Abstract:
1. A dialog control device to customize dialog between a user and a robot comprising: memory means for storing various pieces of information, appendant to an object, as values corresponding to respective items of the object and for storing a degree of impression relative to the value, wherein the degree of impression indicates whether the item is used in future conversations, wherein the various pieces of information are acquired by the robot and based on a voice recognition process and visual recognition of a user; and conversation generation means for (a) selecting, in response to an item of said object defined as a topic about the user, another topic about the user relating to the topic used in the immediately preceding conversation and (b) generating at least one of (1) an acquisition conversation for acquiring the value of the item, selected as the topic, from the user and (2) a utilization conversation for utilizing the value of the item in the topic, already stored in said memory means, as the next conversation based on the degree of impression wherein a frequency of a utilized item is varied; said conversation generation means being adapted to store the acquired value, acquired by said acquisition conversation, as the value of the corresponding item, wherein the dialog control device makes a conversation with the user that is customized for the user.