CPC G06Q 50/12 (2013.01) [G06F 9/451 (2018.02); G06Q 30/0627 (2013.01); G06Q 30/0635 (2013.01); G06Q 30/0641 (2013.01); G16H 20/60 (2018.01)] | 23 Claims |
1. A method of controlling an information terminal of a user that communicates over a network with a first server that securely manages personal information, including classification information indicating a type of vegetarianism to which the user belongs, and corresponding to identification information that identifies the user, the method comprising:
acquiring a restaurant ID corresponding to a restaurant through a first operation screen displayed on a display of the information terminal of the user, wherein the first operation screen conforms to a common style designed by a matching app associated with the first server;
acquiring, on a basis of the restaurant ID, menu information indicating one or more foods provided by the restaurant over a network from a second server associated with the restaurant corresponding to the restaurant ID;
transmitting, to the first server, a request for classification information based upon the identification information and a user authorization;
receiving, from the first server in response to the request for the classification information transmitted based upon the identification information and the user authorization, encrypted classification information;
decrypting the encrypted classification information;
generating, at the information terminal, a personalized menu for the user corresponding to the classification information on a basis of the menu information and the classification information; and
displaying the personalized menu through a second operation screen that accepts an order of a food provided by the restaurant, wherein the second operation screen is customized according to a style designated by the restaurant; and
transmitting, from the information terminal to the second server, food order information indicating the food selected from the personalized menu using the second operation screen.
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