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    COMPUTER AND MEMORY MANAGEMENT METHOD
    2.
    发明申请
    COMPUTER AND MEMORY MANAGEMENT METHOD 有权
    计算机与存储器管理方法

    公开(公告)号：US20140250286A1

    公开(公告)日：2014-09-04

    申请号：US14190149

    申请日：2014-02-26

    Applicant: HITACHI, LTD.

    Inventor： Nobukazu KONDO ,  Yusuke FUKUMURA

    IPC: G06F3/06 ,  G06F9/455

    CPC classification number: G06F9/45533 ,  G06F9/45558 ,  G06F9/5016 ,  G06F2009/45583 ,  Y02D10/22

    Abstract: A computer comprising: a processor; a memory; and an I/O device, the memory including at least one first memory element and at least one second memory element, wherein a memory area provided by the at least one second memory element includes a data storage area and a data compression area, wherein the computer comprises a virtualization management unit, and wherein the virtualization management unit is configured to: set a working set for storing data required for processing performed by a virtual machine in generating the virtual machine, and control data stored in the working set in such a manner that part of the data stored in the working set is stored in the data compression area based on a state of accesses to the data stored in the working set.

    Abstract translation: 一种计算机，包括：处理器; 记忆 和I / O设备，所述存储器包括至少一个第一存储器元件和至少一个第二存储器元件，其中由所述至少一个第二存储器元件提供的存储器区域包括数据存储区域和数据压缩区域，其中， 计算机包括虚拟化管理单元，并且其中虚拟化管理单元被配置为：设置用于存储由虚拟机执行的处理所需的数据的生成虚拟机的工作集，以及以这种方式控制存储在工作集中的数据 基于对存储在工作组中的数据的访问状态，存储在工作集中的部分数据被存储在数据压缩区域中。

    SIMULATION MANAGEMENT METHOD, SIMULATION SYSTEM, AND PROGRAM
    3.
    发明申请
    SIMULATION MANAGEMENT METHOD, SIMULATION SYSTEM, AND PROGRAM 审中-公开

    公开(公告)号：US20200311324A1

    公开(公告)日：2020-10-01

    申请号：US16816699

    申请日：2020-03-12

    Applicant: Hitachi, Ltd.

    Inventor： Nobukazu KONDO ,  Tsunehiko BABA ,  Jumpei OKOSHI

    IPC: G06F30/20 ,  B62D5/10

    Abstract: Reusable information is extracted from a result of executing a simulation of a plurality of models.A simulation management method for managing data for use in a simulation by a management device having a processor and a memory, the method including: executing a simulation using a model and data, by a simulator; extracting intermediate data indicating that an internal state of the model that is being simulated matches a predetermined state, by the management device; and holding the extracted intermediate data as useful intermediate data, by the management device.

    COMPUTER SYSTEM, CASH DATA MANAGEMENT METHOD, AND COMPUTER
    5.
    发明申请
    COMPUTER SYSTEM, CASH DATA MANAGEMENT METHOD, AND COMPUTER 有权
    计算机系统，现金数据管理方法和计算机

    公开(公告)号：US20150268858A1

    公开(公告)日：2015-09-24

    申请号：US14642873

    申请日：2015-03-10

    Applicant: Hitachi, Ltd.

    Inventor： Nobukazu KONDO ,  Ken SUGIMOTO

    IPC: G06F3/06 ,  G06F12/12 ,  G06F12/08

    CPC classification number: G06F3/061 ,  G06F3/0653 ,  G06F3/0656 ,  G06F3/0689 ,  H04L67/2842 ,  H04L67/2852

    Abstract: A computer system, comprising: a service server on which an application; a storage server for storing data used by the application; and a management server for managing the service server and the storage server, the service server including a cache device which a server cache for temporarily storing data is set, and including an operating system and an I/O request monitoring unit for monitoring an I/O request issued by the application, and issuing a dummy I/O request for controlling an arrangement of data in the server cache in a case where a predetermined condition is satisfied, the management server including a cache optimization unit for generating a control policy for issuing the dummy I/O request.

    Abstract translation: 一种计算机系统，包括：服务服务器，其上应用; 用于存储应用使用的数据的存储服务器; 以及用于管理服务服务器和存储服务器的管理服务器，所述服务服务器包括设置用于临时存储数据的服务器高速缓存的高速缓存设备，并且包括操作系统和I / O请求监视单元，用于监视I / O请求，并且在满足预定条件的情况下发出用于控制服务器高速缓存中的数据排列的虚拟I / O请求，所述管理服务器包括用于生成用于发布的控制策略的高速缓存优化单元 虚拟I / O请求。

    DATA SELECTION SYSTEM AND DATA SELECTION METHOD
    6.
    发明申请
    DATA SELECTION SYSTEM AND DATA SELECTION METHOD 审中-公开

    公开(公告)号：US20200285625A1

    公开(公告)日：2020-09-10

    申请号：US16807228

    申请日：2020-03-03

    Applicant: HITACHI, LTD.

    Inventor： Tsunehiko BABA ,  Kazuhide AIKOH ,  Toshihiko KASHIYAMA ,  Jumpei OKOSHI ,  Nobukazu KONDO ,  Kentaro KAKUI

    IPC: G06F16/22 ,  G06F16/242 ,  G06F16/26

    Abstract: An analysis management server stores a factory A catalog group including a plurality of catalogs in factory A, an application destination catalog including a plurality of catalogs in factory B, and an application source analysis data correspondence table associating columns between a target table of factory A and a defect factor analysis table. A CPU is configured to: identify an unconnected catalog for which a catalog of factory B having an identical correspondence does not exist among the plurality of catalogs of factory A included in the application source analysis data correspondence table; identify an unconnected correspondence, which is a correspondence of the unconnected catalog in the application source analysis data correspondence table, sensor data of factory B, and an identical path correspondence which is a correspondence of a catalog on a path including the unconnected catalog; and display information of the unconnected correspondence and the identical path correspondence.

    COMPUTER AND CACHE CONTROL METHOD
    7.
    发明申请
    COMPUTER AND CACHE CONTROL METHOD 审中-公开

    公开(公告)号：US20190236076A1

    公开(公告)日：2019-08-01

    申请号：US16335112

    申请日：2017-02-24

    Applicant: HITACHI, LTD.

    Inventor： Nobukazu KONDO ,  Naruki KURATA ,  Katsuto SATO

    IPC: G06F16/25 ,  G06F16/2455

    CPC classification number: G06F16/256 ,  G06F12/00 ,  G06F16/24552

    Abstract: Provided is a computer generating a virtual database. The computer is connected to a plurality of databases systems managing a database and a cache memory system providing a cache area, holds virtual database management information for managing a plurality of databases constituting the virtual database, cache management information, and latency information for managing a latency when data is acquired from the databases, and selects a cache area from which cache data is to be deleted, based on an evaluation value calculated using the cache management information and the latency information in a case where the cache area for storing the data acquired in a case where a query for referring to the virtual database is received is not sufficient.

    MACHINE LEARNING DEVICE AND METHOD
    8.
    发明申请
    MACHINE LEARNING DEVICE AND METHOD 审中-公开

    公开(公告)号：US20190050684A1

    公开(公告)日：2019-02-14

    申请号：US15936942

    申请日：2018-03-27

    Applicant: HITACHI, LTD.

    Inventor： Nobukazu KONDO ,  Jumpei OKOSHI ,  Naofumi HAMA

    IPC: G06K9/62 ,  G06T7/00

    Abstract: Proposed are a machine learning device and a machine learning method capable of performing machine learning in a short time and an efficient manner. For each learning target, image processing having a high learning effect regarding the learning target is set in advance. When image processing has been set regarding a learning target included in the image for each image based on teaching data set prepared in advance, a processed image of the image is generated by performing the image processing to that image. By learning a learning target with image data of the generated processed image as the teaching data, basic learning information configured from externally acquired basic learning results can be tuned.

    COMPUTER SYSTEM AND DATA ACCESS CONTROL METHOD
    9.
    发明申请
    COMPUTER SYSTEM AND DATA ACCESS CONTROL METHOD 有权

    公开(公告)号：US20210232697A1

    公开(公告)日：2021-07-29

    申请号：US17020891

    申请日：2020-09-15

    Applicant: Hitachi, Ltd.

    Inventor： Nobukazu KONDO ,  Keiko TANIGAWA ,  Kentaro KAKUI

    IPC: G06F21/62 ,  G06F21/60 ,  G06F21/31 ,  G06F16/176 ,  G06F16/17 ,  G06F11/34

    Abstract: The computer system is connected to a DB that stores data acquired from a production system in which a plurality of machines operate, and includes a generation unit and a data search unit. The DB stores operation data and environment data. The generation unit generates, by analyzing schedule information including a production schedule of the plurality of products, first owner information for storing first access control data including an owner, the machines, and a first access period set based on operation time, and generates, based on the first owner information, second owner information for storing second access control data including the owner, a type of the environment data, and a second access period set based on the first access period. The data search unit controls accesses to the DB based on the first owner information and the second owner information.

    Computer System and Data Management Method
    10.
    发明申请
    Computer System and Data Management Method 有权

    公开(公告)号：US20210124733A1

    公开(公告)日：2021-04-29

    申请号：US17012906

    申请日：2020-09-04

    Applicant: Hitachi, Ltd.

    Inventor： Nobukazu KONDO ,  Jumpei OKOSHI ,  Kentaro KAKUI ,  Tsunehiko BABA

    IPC: G06F16/23 ,  G06F16/245 ,  G06F16/248

    Abstract: A computer system manages a data lake storing collected data, which is obtained from a data source, a data catalog storing first catalog data, and an asset catalog storing second catalog data. The computer system comprises: a catalog generation module configured to generate the data catalog, and the asset catalog; and a catalog link generation module configured to associate, in a case where at least one of the data catalog or the asset catalog is generated by the catalog generation module, the asset catalog and the data catalog with each other by adding, as an access key, a value that is stored in the first catalog data stored in the data catalog to the second catalog data stored in the asset catalog.

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