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    Optimizing an order of execution of multiple join operations
    1.
    发明授权
    Optimizing an order of execution of multiple join operations 有权

    公开(公告)号：US09852181B2

    公开(公告)日：2017-12-26

    申请号：US14076598

    申请日：2013-11-11

    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

    Inventor： Marek Grochowski ,  Artur M. Gruszecki ,  Tomasz Kazalski ,  Grzegorz S. Milka ,  Konrad K. Skibski ,  Tomasz Stradomski

    IPC: G06F7/00 ,  G06F17/30

    CPC classification number: G06F17/30466 ,  G06F17/30442

    Abstract: A computer-implemented method, system, and/or computer program product optimizes an order of execution of column join operations. A first partitioning of the first data column splits the first data column into first subsets of rows. A second partitioning of the second data column splits the second data column into a second subsets of rows. A first value frequency information indicates a frequency of attribute values within a subset of rows of the first data column processed. A second value frequency information indicates a frequency of attribute values within a subset of rows of the second data column. Cardinalities of sub-tables derived by a respective joining of the subsets of rows of the first and second data columns are estimated, based on the first and second value frequency information. An order of execution of multiple join operations is then optimized based on the estimated cardinalities of the sub-tables.

    PROVIDING ACCESS TO A RESOURCE FOR A COMPUTER FROM WITHIN A RESTRICTED NETWORK
    3.
    发明申请
    PROVIDING ACCESS TO A RESOURCE FOR A COMPUTER FROM WITHIN A RESTRICTED NETWORK 审中-公开

    公开(公告)号：US20180227366A1

    公开(公告)日：2018-08-09

    申请号：US15947888

    申请日：2018-04-09

    Applicant: International Business Machines Corporation

    Inventor： Jakub Barc ,  Filip Barczyk ,  Marek Grochowski ,  Grzegorz Sawina

    IPC: H04L29/08

    CPC classification number: H04L67/1097

    Abstract: Disclosed are systems, methods, and machine readable storage media that cause a storage computer and a client computer to perform a method of providing access to one or more resources on the storage computer for the client computer. The storage computer is operable for initiation of a network connection between the client computer and the storage computer. Initiation of the network connection between the client computer and the storage computer by the storage computer is enabled, and initiation of the network connection between the client computer and the storage computer by the client computer is disabled. The client computer and the storage computer are operable for maintaining the network connection between the client computer and the storage computer.

    PROVIDING ACCESS TO A RESOURCE FOR A COMPUTER FROM WITHIN A RESTRICTED NETWORK
    4.
    发明申请
    PROVIDING ACCESS TO A RESOURCE FOR A COMPUTER FROM WITHIN A RESTRICTED NETWORK 有权
    在限制性网络中提供对计算机资源的访问

    公开(公告)号：US20140358995A1

    公开(公告)日：2014-12-04

    申请号：US14279350

    申请日：2014-05-16

    Applicant: International Business Machines Corporation

    Inventor： Jakub Barc ,  Filip Barczyk ,  Marek Grochowski ,  Grzegorz Sawina

    IPC: H04L29/08

    CPC classification number: H04L67/1097

    Abstract: Disclosed are systems, methods, and machine readable storage media that cause a storage computer and a client computer to perform a method of providing access to one or more resources on the storage computer for the client computer. The storage computer is operable for initiation of a network connection between the client computer and the storage computer. Initiation of the network connection between the client computer and the storage computer by the storage computer is enabled, and initiation of the network connection between the client computer and the storage computer by the client computer is disabled. The client computer and the storage computer are operable for maintaining the network connection between the client computer and the storage computer.

    Abstract translation: 公开了系统，方法和机器可读存储介质，其使存储计算机和客户端计算机执行提供对客户端计算机的存储计算机上的一个或多个资源的访问的方法。 存储计算机可操作用于启动客户端计算机和存储计算机之间的网络连接。 启用存储计算机启动客户端计算机与存储计算机之间的网络连接，并禁用客户端计算机在客户端计算机与存储计算机之间启动网络连接。 客户端计算机和存储计算机可操作用于维护客户计算机和存储计算机之间的网络连接。

    Providing access to a resource for a computer from within a restricted network
    5.
    发明授权
    Providing access to a resource for a computer from within a restricted network 有权

    公开(公告)号：US10218790B2

    公开(公告)日：2019-02-26

    申请号：US15947888

    申请日：2018-04-09

    Applicant: International Business Machines Corporation

    Inventor： Jakub Barc ,  Filip Barczyk ,  Marek Grochowski ,  Grzegorz Sawina

    IPC: G06F15/16 ,  H04L29/08

    Abstract: Disclosed are systems, methods, and machine readable storage media that cause a storage computer and a client computer to perform a method of providing access to one or more resources on the storage computer for the client computer. The storage computer is operable for initiation of a network connection between the client computer and the storage computer. Initiation of the network connection between the client computer and the storage computer by the storage computer is enabled, and initiation of the network connection between the client computer and the storage computer by the client computer is disabled. The client computer and the storage computer are operable for maintaining the network connection between the client computer and the storage computer.

    Providing access to a resource for a computer from within a restricted network
    6.
    发明授权
    Providing access to a resource for a computer from within a restricted network 有权

    公开(公告)号：US09973577B2

    公开(公告)日：2018-05-15

    申请号：US14279350

    申请日：2014-05-16

    Applicant: International Business Machines Corporation

    Inventor： Jakub Barc ,  Filip Barczyk ,  Marek Grochowski ,  Grzegorz Sawina

    IPC: G06F15/16 ,  H04L29/08

    CPC classification number: H04L67/1097

    Abstract: Disclosed are systems, methods, and machine readable storage media that cause a storage computer and a client computer to perform a method of providing access to one or more resources on the storage computer for the client computer. The storage computer is operable for initiation of a network connection between the client computer and the storage computer. Initiation of the network connection between the client computer and the storage computer by the storage computer is enabled, and initiation of the network connection between the client computer and the storage computer by the client computer is disabled. The client computer and the storage computer are operable for maintaining the network connection between the client computer and the storage computer.

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