Communication method of portable terminal and server and information offer system and portable terminal and communication method of server and information offer method of information offer system

摘要

As for the context grasp system of this invention, the GPS portable telephone the server 19 who offers the information where is based on the context of 2 whose it is possible to remove your own position data, and GPS portable telephone 2 to be connected by network 1, GPS portable telephone 2 to send the position data which is removed to server 19, server 19 the geographical information which corresponds to the position data which is sent continuing, from the position data which is sent to extract the context of GPS portable telephone 2 from information of computable position, server 19 to send notification frequency of the position data which responds to context to GPS portable telephone 2, GPS portable telephone 2From now on the position data is sent at the notification frequency which is sent, server 19 information of the offer which is based on context, offer system, decides ahead offering, offers information.