公开(公告)号：US20210133068A1

公开(公告)日：2021-05-06

申请号：US17145949

申请日：2021-01-11

Applicant: NEC CORPORATION

Inventor： Shuichi KARINO ,  Kazuhiko ISOYAMA ,  Yuji KOBAYASHI ,  Yoshiaki SAKAE ,  Hiroki TAGATO ,  Masato YASUDA

IPC: G06F11/30 ,  G06F11/07 ,  G06F11/34

Abstract: Provided is an information processing device which is capable of suppressing a deterioration in accuracy of detecting an anomaly and accuracy of analyzing the anomaly, while suppressing an increase in an amount of data to be stored. The information processing system includes anomaly detection unit that collects event data indicating a predetermined event detected in a process of a device to be monitored, determines whether a predetermined index value related to the event exceeds a preset first threshold, and instructs enhanced monitoring of the device to be monitored and the process related to the event when the index value exceeds the first threshold, and collection instruction unit that determines an additional event being an event to be additionally monitored when the enhanced monitoring is instructed, and instructs the device to be monitored, which is subjected to the enhanced monitoring, to monitor the determined additional event.

公开(公告)号：US20200264962A1

公开(公告)日：2020-08-20

申请号：US16061403

申请日：2016-12-19

Applicant: NEC Corporation

Inventor： Etsuko ICHIHARA ,  Koji KIDA ,  Yoshiaki SAKAE ,  Kazuhiko ISOYAMA ,  Junpei KAMIMURA ,  Takashi NOMURA ,  Yuji KOBAYASHI

IPC: G06F11/32 ,  G06F11/30 ,  G06F11/34

Abstract: Provided is, for example, a display control apparatus that generates display information with which an event having occurred in an information processing system can be easily determined. This display control apparatus 101 comprises a display control unit 102 that, on the basis of device information indicating a device detected by a first information processing apparatus in an information processing system and communication information indicating communication executed between a second information processing apparatus in the information processing system and a third information processing apparatus in the information processing system: performs displaying on a display apparatus in a manner such that said device and said first information processing apparatus are associated with one another; and performs displaying on said display apparatus in a manner such that said second information processing apparatus and said third information processing apparatus are associated with one another.

公开(公告)号：US20170132060A1

公开(公告)日：2017-05-11

申请号：US15127354

申请日：2015-03-18

Applicant: NEC Corporation

Inventor： Takashi NOMURA ,  Koji KIDA ,  Junpei KAMIMURA ,  Yoshiaki SAKAE ,  Etsuko KATSUDA ,  Kazuhiko ISOYAMA ,  Kentaro YAMASAKI ,  Yuji KOBAYASHI

IPC: G06F11/07 ,  G06F11/34 ,  G06F11/30

Abstract: The present invention provides an information processing device that improves the detectability of system errors. This information processing device includes: a means that generates a state graph based on relationship change information indicating a change in the relationship between a plurality of elements included in a system, the state graph having the elements as the vertices thereof and the relationship between the elements as the sides thereof; a means that generates a normal model having the state graph as a set of conditions to be fulfilled during normal system operation, based on the relationship change information; and a means that detects system errors and outputs error information indicating detected errors, based on the state graph and the normal model.

公开(公告)号：US20250050442A1

公开(公告)日：2025-02-13

申请号：US18715789

申请日：2021-12-07

Applicant: NEC Corporation

Inventor： Hiroki TAGATO ,  Yoshiaki SAKAE ,  Takashi KONASHI ,  Jun NISHIOKA ,  Yuji KOBAYASHI ,  Jun KODAMA ,  Etsuko ICHIHARA

IPC: B23K9/095 ,  B23K31/12

Abstract: In order to attain an object of providing a technique to, upon detection of an abnormality in a welded part, provide notification of a factor of the detected abnormality, an abnormality diagnosis apparatus includes: an acquisition means (21) for acquiring time series data containing at least one of an electric current value and a voltage value at first welding; an abnormality determination means (22) for determining, with use of an abnormality determination model and based on the time series data acquired by the acquisition means, whether or not there is an abnormality in a welded part at the first welding; and an output means (23) for, if the abnormality determination means has determined that there is an abnormality, outputting the determination result and at least one of a factor of the abnormality and a remedial method for solving the abnormality.

公开(公告)号：US20240168965A1

公开(公告)日：2024-05-23

申请号：US18283942

申请日：2021-04-02

Applicant: NEC Corporation

Inventor： Yoshiaki SAKAE ,  Hiroki TAGATO ,  Takashi KONASHI ,  Jun NISHIOKA ,  Yuji KOBAYASHI ,  Jun KODAMA ,  Etsuko ICHIHARA

IPC: G06F16/248 ,  G06F11/34

CPC classification number: G06F16/248 ,  G06F11/34

Abstract: The present invention reduces the load on a user when performing remote machine diagnosis. An acquisition unit (11) acquires time-series data obtained from equipment of the machine, a prediction unit (12) predicts the state of the machine on the basis of the time-series data, a search unit (13) uses the time-series data as a query to search a knowledge database, storing records of past diagnoses, for knowledge information related to the state of the machine, and a provision unit (14) provides the prediction result and the knowledge information.

公开(公告)号：US20240039640A1

公开(公告)日：2024-02-01

申请号：US18225942

申请日：2023-07-25

Applicant: NEC Corporation

Inventor： Jun KODAMA ,  Yoshiaki SAKAE ,  Yuji KOBAYASHI ,  Etsuko ICHIHARA ,  Jun NISHIOKA ,  Takashi KONASHI ,  Hiroki TAGATO

IPC: H04B10/61 ,  H04B10/556

CPC classification number: H04B10/6165 ,  H04B10/5561

Abstract: At least one processor included in an optical signal state estimation apparatus carries out: an acquisition process for acquiring a constellation of an optical signal; a generation process for generating time series data in which pieces of histogram information are arranged in time series, the histogram information being obtained by counting the number of signal points of the constellation, the signal points being included in each of grids obtained by dividing an in-phase component direction and a quadrature component direction into a specific number of rows and the specific number of columns, respectively; and an estimation process for estimating a state of the optical signal by inputting the time series data to a learned model.

公开(公告)号：US20230421458A1

公开(公告)日：2023-12-28

申请号：US18213753

申请日：2023-06-23

Applicant: NEC Corporation

Inventor： Yoshiaki SAKAE ,  Hiroki TAGATO ,  Takashi KONASHI ,  Jun NISHIOKA ,  Masanao NATSUMEDA ,  Yuji KOBAYASHI ,  Jun KODAMA ,  Etsuko ICHIHARA

IPC: H04L41/16 ,  H04L41/0631 ,  G06N3/088 ,  G06N3/09

CPC classification number: H04L41/16 ,  H04L41/0631 ,  G06N3/088 ,  G06N3/09

Abstract: To extract data-for-machine-leaning so as to enable accurate detection of an abnormality while reducing normal state patterns in a mobile network. A learning data extracting apparatus includes: an issuing section that issues a network service use request which is to be processed by cooperation of a plurality of communication apparatuses constituting C-plane; an obtaining section that obtains, as pieces of candidate learning data, time series data of information relating to the plurality of communication apparatuses; and an extracting section that extracts, as data-for-machine-leaning, a piece of candidate learning data with which the process in response to the network service use request has been successfully ended, from among the pieces of candidate learning data.

公开(公告)号：US20220374528A1

公开(公告)日：2022-11-24

申请号：US17767127

申请日：2019-10-25

Applicant: NEC Corporation

Inventor： Kazuhiko ISOYAMA ,  Yoshiaki SAKAE ,  Jun NISHIOKA ,  Yuji KOBAYASHI

IPC: G06F21/57

Abstract: In order to provide an evaluation apparatus that appropriately evaluates a risk from continuous execution of an application without stopping execution of the application, an evaluation apparatus includes a first obtaining section, an evaluating section, and an output section. The first obtaining section is configured to obtain application information related to an application being executed on a server. The evaluating section is configured to evaluate a risk degree from continuous execution of the application on the server, based on the application information. The output section is configured to output an evaluation result of the risk degree.

公开(公告)号：US20180276064A1

公开(公告)日：2018-09-27

申请号：US15781527

申请日：2016-12-06

Applicant: NEC Corporation

Inventor： Kazuhiko ISOYAMA ,  Koji KIDA ,  Hiroki TAGATO ,  Yoshiaki SAKAE ,  Junpei KAMIMURA ,  Yuji KOBAYASHI ,  Etsuko ICHIHARA

IPC: G06F11/07

Abstract: The diagnosis device specifies a progression degree relating to a first information processing device for output information output by a first detection device at a first timing with respect to the first information processing device, based on device information indicates a progression degree that represents a degree to which the information processing device is abnormal with respect to the information processing device, determines whether or not information in which a first detection device identifier of the first detection device and the specified progression degree are associated with each other is included in progression-degree information in which a detection device identifier capable of identifying a detection device and the progression degree are associated with each other; and calculates the progression degree relating to the first information processing device according to the specified progression degree when the information is determined to be included in the progression-degree information.

公开(公告)号：US20170255305A1

公开(公告)日：2017-09-07

申请号：US15508546

申请日：2015-09-07

Applicant: NEC Corporation

Inventor： Kazuhiko ISOYAMA ,  Etsuko ICHIHARA ,  Junpei KAMIMURA ,  Yoshiaki SAKAE ,  Yuji KOBAYASHI ,  Takashi NOMURA ,  Koji KIDA

IPC: G06F3/048 ,  G06F13/10 ,  G06F11/32

Abstract: Disclosed are a display device, etc. which display information in a display format that provides high visibility. The display device 201 comprises a display unit 202 which displays first nodes, each representing a different communication entity with communication capabilities, or second nodes, each representing a different group of a plurality of communication entities, around a first region, and which shows communications being carried out between first and second nodes, between a plurality of first nodes, or between a plurality of second nodes, in a display format in which the connections between these communicating nodes are indicated within the first region.