Computer System, Data Control Method, and Storage Medium

    公开(公告)号:US20210390197A1

    公开(公告)日:2021-12-16

    申请号:US17275551

    申请日:2020-03-17

    Applicant: Hitachi, Ltd.

    Abstract: A computer system that processes data among a plurality of sites each including a computer having a processor and a memory. The computer includes an application for performing predetermined processing on data, an execution manager for managing execution of the application, and data transfer policies specifying whether data of a processing result of the application is allowed to be transmitted to the external. The execution manager generates information on data used by the application being executed as information on data to be transmitted and applies the data transfer policies to the data in the information on data to be transmitted to determine whether the data to be transmitted can be transmitted to the outside of the site.

    INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND COMPUTER

    公开(公告)号:US20230315900A1

    公开(公告)日:2023-10-05

    申请号:US18022357

    申请日:2021-08-19

    Applicant: Hitachi, Ltd.

    CPC classification number: G06F21/6245 G06F16/90335

    Abstract: An information processing system includes first and second computers and first and second bases. The first computer stores, as personal information of a user of a terminal, personal management information including an ID and contact detail of the user, generates personal time-series information with personal information and time added and generates processed time-series information by performing concealment on the personal information in the personal time-series information. The processed time-series information is transmitted to the second computer, which generates search range information for the processed time-series information from a search condition for the processed time-series information for specifying the user at the first base and a message to be transmitted to the user at the first base, and transmits the search range information to the first computer, and the first computer specifies the user by searching for the personal time-series information, with the search condition of the received search range information.

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