To distribute advertisement data corresponding to living history of user even when it is impossible to collect information on the living history of user from a portion of home equipment.
When the information on the living history of user is not clear and it is not possible to determine advertisement distribution to a user under predetermined advertisement distribution conditions, an advertisement provision server 120 extracts the other advertisement distribution conditions aiming the same or similar target as predetermined advertisement distribution conditions. Then, when the other advertisement distribution conditions are satisfied by information related with the living history of the user, it is estimated that the predetermined advertisement distribution conditions are satisfied by the information related with the living history of the user, and the advertisement data corresponding thereto are distributed.
Kobayashi Kunito
Koji Kawabata
Koichi Kimura