Patent attributes
A system is provided with a conversation support means. A conversation support means creates a conversation response, and outputs it in a sound, a character, etc. A conversation response is created in a manner that combines words by inserting a reference keyword as a leading keyword in the response sentence model prepared separately. A conversation support means retrieves the reference keyword beforehand provided in conversation support by dictionary collation from the conversation entry content made by a sound, a manual entry, etc. by a user. Furthermore, the retrieved reference keyword themselves or another reference keyword associated with the retrieved reference keyword are handled as a leading keyword. A series of user conversation contents inputted by the conversation support are accumulated as a base data for determining a user interest. The base data is analyzed to determine a user interest for providing suitable information service.
