Patent ID: 6785538
Filing Date: 2004-08-31
Classification: G06Q

Abstract:
A communication system for mobile device users comprising:a portable information terminal; a center; and wherein said portable information terminal and said center are communicated with each other through a wireless communication unit; and wherein said portable information terminal has: a place information managing unit used to acquire information about a place where said portable information terminal exists and to manage the acquired place information; and a message managing unit used to manage said acquired place information, an identification to identify a user and an operational behavior of said user in a form of a message and to transmit said message to said center and used to provide a message fed from said center to said user; wherein said center has: a message controlling unit used to transmit said message to said portable information terminal and to receive said message from said portable information terminal; a user TPO element information extracting unit used to extract element information made up of information about a present time (T), a present place (P), and an individual preference according to a present Occasion (O) of said user from a message fed from said portable information terminal; a spot information database used to store spot information about a restaurant and/or a sight-seeing resort made up of information about spots and explanatory contents of said spots; an occasion learning unit used to learn a desired individual preference according to an occasion from said user TPO element information and said spot information database and to produce user TPO data made up of static information containing an identification, age, sex of said user, and of dynamic information about when and where said user has visited and about what kind of spot or information said user has an interest in; a user TPO database used to store said user TPO data produced for each user by said occasion learning unit; and a TPO matching unit used to select spot information, when said message fed from said user includes a request for spot information, by achieving a match between spot information and said user TPO data of said user having transmitted the request message contained in said user TPO database and to request said message controlling unit to transmit said selected spot information to said portable information terminal of said user having transmitted said message requesting spot information and, when said message fed from said user includes a request for transmission of a message from said user to another user, to select said other user by achieving a match between said user TPO data of said user having transmitted said message requesting for transmission of said message to said other user contained in said user TPO database and user TPO database of said other user and to request said message controlling unit to transmit said message fed from said user to a portable information terminal of said other user.