Data supply controlling device, method, and storage medium which facilities information searching by user

Abstract

A data supply controlling device comprises a data base for user data which stores user data matched with each user. The data base of user data can be queried in accordance with the user data so that a data server performs a search according to the query and stores the search results in a search result data base. User ID management can be performed for separately managing the identifying data to identify each user and user specifying data to specify each user. A search result matched with the identifying data of the user from the search results stored in the search result data base is provided for a user terminal. Once the user data is stored, it is not required to carry out further communications to input the user data. Privacy protection of the user and improvement of communications efficiency are both fulfilled in the system to search for information in accordance with user data.