公开(公告)号：US20210392036A1

公开(公告)日：2021-12-16

申请号：US17291050

申请日：2019-11-01

申请人： Nippon Telegraph and Telephone Corporation

发明人： Yoichi Matsuo ,  Hiroki IKEUCHI ,  Akio WATANABE ,  Takehiro KAWATA ,  Ken Nishimatsu

IPC分类号： H04L12/24

摘要： A recovery support apparatus includes an index value calculation means which calculates a predetermined index value with respect to a recovery work sequence on the basis of the recovery work sequence indicating a work procedure for recovery from an abnormality that has occurred in an apparatus group constituting a communication network, and an output means which outputs the index value calculated by the index value calculation means to a predetermined output destination.

公开(公告)号：US20220358352A1

公开(公告)日：2022-11-10

申请号：US17618596

申请日：2020-06-22

申请人： Nippon Telegraph and Telephone Corporation

发明人： Yoichi Matsuo ,  Takehiro KAWATA ,  Ken Nishimatsu ,  Tatsuaki Kimura

IPC分类号： G06N3/063 ,  G06K9/00

摘要： In the disclosure, a first feature amount extraction unit configured to extract, from time-series data of a plurality of types, a first feature amount representing a feature between dimensions of each data of the time-series data at each time, a second feature amount extraction unit configured to extract, from the first feature amount extracted by the first feature amount extraction unit, a second feature amount representing a feature between the types at each time, a third feature amount extraction unit configured to extract, from the second feature amount extracted by the second feature amount extraction unit, a third feature amount representing a feature between each time, and an analysis unit configured to perform predetermined data analysis through a use of the third feature amount extracted by the third feature amount extraction unit.

公开(公告)号：US20210255945A1

公开(公告)日：2021-08-19

申请号：US16973093

申请日：2019-06-13

申请人： Nippon Telegraph and Telephone Corporation

发明人： Hiroki IKEUCHI ,  Akio WATANABE ,  Takehiro KAWATA

IPC分类号： G06F11/34 ,  G06F11/07 ,  G06N20/00 ,  G06N7/00

摘要： A system state estimation apparatus to estimate a system state in a system that outputs log data upon executing a user action, includes a model generation unit configured to use log data accumulated in advance, to generate a stochastic model in which a system state and a user action are associated with log data when the user action is executed in the system state; and an action determination unit configured to determine a user action that contributes to identification of the system state in the system, based on a probability distribution of the system state and the stochastic model.

公开(公告)号：US20220417078A1

公开(公告)日：2022-12-29

申请号：US17621605

申请日：2020-06-26

申请人： Nippon Telegraph and Telephone Corporation

发明人： Yoichi Matsuo ,  Takehiro KAWATA ,  Ken Nishimatsu ,  Tatsuaki Kimura

IPC分类号： H04L41/069 ,  H04L41/0686 ,  H04L41/16 ,  H04L43/062

摘要： A failure effects estimating device includes an input unit that inputs a log and a traffic amount obtained from a communication system when an abnormality occurs, an estimating unit that estimates a failure effects amount in the communication system, on the basis of the log and the traffic amount, and an output unit that outputs the failure effects amount estimated by the estimating unit.