Information communication system, information communication method, and information provision business method

An information communication method in which a service information provider registers in advance service information in information provision means, managed by a carrier, for providing the service information, and a user receives the service information by accessing the information provision means via a communication network, comprising the step of separately storing profile information indicating attribute information of the user and preference information indicating a preference and taste of the user in a database upon encrypting the profile information and preference information.

In an information communication system in which a service information provider registers in advance service information in information provision means, managed by a carrier, for providing the service information, and a user receives the service information by accessing the information provision means via a communication network, an information communication business method which uses a database in which profile information indicating attribute information of the user and preference information indicating a preference and taste of the user are stored after the profile information and preference information are encrypted and provides the stored information to the service information provider with a charge, comprising the steps of:

• generating a keyword which is used by the service information provider to search the database;
• and
• searching the database in accordance with the keyword, extracting information, and providing the extracted information to the service information provider.