Nec Corporation

Nec C Orporation

Tohoku University

Junpei Kamimura

Kazuhiko Isoyama

Yuji Kobayashi

Yoshiaki Sakae

Koji Kida

Takashi Nomura

Etsuko Ichihara

Takehiko Kashiwagi

Hiroki Tagato

Kentaro Yamasaki

Etsuko Katsuda

Hisaya Wakayama

Norihisa Iga

Atsushi Kitazawa

Kazuhiro Takahashi

Masatsugu Ogawa

Masaki Kan

Yoshihiro Ono

Masumi Ichien

Junichi Tatemura

Masafumi Yano

Yuma Matsuda

Takashi Shiraki

Naoki Shiota

Tomoo Ebiyama

Shin Harada

The purpose of the present invention is to provide a technology which assists a verifying party in ascertaining an anomaly in an event of which notification has been made. Provided is an assistance device, comprising: an acquisition unit which acquires as an associated event, from among events which take place among a plurality of elements, and with respect to elements which have been associated with an event which has been detected as an anomalous event, an event other than the anomalous event which has been associated with the elements; and a generating unit which, on the basis of the anomalous event and the associated event, generates a relational graph in which the elements are vertices, the relations among the elements are edges, the anomalous event and the associated event are respectively represented, and the associated event is displayed in a display screen in a different manner from the manner in which the anomalous event is displayed.

Anomalous event confirmation assistance apparatus, anomalous event confirmation assistance meithod, and recording medium

The present invention provides an information processing system for more appropriately classifying elements that constitute an information processing device or the like. This information processing system is provided with: a means that, on the basis of information indicating the relationship between a plurality of elements that constitute a system, acquires, for first elements to be classified, a set of second elements capable of arriving at the first elements via a relationship of arbitrary numbers; and a means that, on the basis of the set corresponding to the first elements, classifies each of the first elements in any of a plurality of roles.

Information processing system and classification method

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 apparatuscomprises a display control unitthat, 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.

Display control apparatus, display control method, and recording medium on which display control program is recorded

An information processing apparatus includes: a reach-extent extraction unit configured to extract, with use of a relationship graph representing relationships between a plurality of elements included in a system and location information that indicates, on the relationship graph, a plurality of locations in the system where anomalies have been detected, paths in the relationship graph as being reach extents, the path including a set of the elements that are directly or indirectly related to each of the plurality of locations as a source; and a shared-extent extraction unit configured to extract an influence process of an anomaly by extracting an extent that is shared in at least a prescribed number of paths among paths in the relationship graph that have been extracted as the reach extents.

Information processing apparatus and influence-process extraction method

The present invention provides an information processing device that outputs information including the data transmission relationship between elements constituting an information processing system, the information indicating the state of the information processing system. The information processing device includes a graphing means for generating a relationship graph based on an event log indicating the behavior of each of a plurality of processes operating in the system, the relationship graph having the processes as the vertices thereof and having the data transmission relationship between the vertices as the sides thereof; and a graph output means for outputting the generated relationship graph.

Information processing device and monitoring method

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.

Information processing device and error detection method

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.

Diagnosis device, diagnosis method, and non-volatile recording medium

Provided is, for example, a display control apparatus that generates display information for specifying an event occurred in an information processing system easily. The display control apparatus comprising displays, on a display apparatus, information representing an information processing apparatus and information representing a device in accordance with a display mode of arranging the pieces of information around a first area, displays, on the display apparatus, information indicating that a communication is executed between a plurality of the information processing apparatuses in accordance with a display mode of linking information representing the plurality of information processing apparatuses inside the first area, and displays, on the display apparatus, information indicating that processing is executed between the information processing apparatus and the device in accordance with a display mode of linking information representing the information processing apparatus and information representing the device inside the first area.

Disclosed are a display control device, etc., with which information is displayed according to a display mode having high visibility. Provided is a display control device (), comprising: a first identification information creation unit () with which a plurality of communication bodies which are capable of communication are classified into a plurality of groups, said unit creating first identification information which represents at least a portion of the communication bodies which are included in one of the groups; a second identification information creation unit () which creates second identification information which collectively represents a group set which represents two or more groups of the plurality of groups; and a control unit () which, on the basis of the size of a region which is displayed in a display means, selects specified identification information from the first identification information or the second identification information, and controls to display, in the display means, device identification information which represents the communication bodies which are not included in the specified identification information and/or the group identification information which represents the groups which are not included in the specified identification information, along with the specified identification information.

Display monitoring status of information processing devices

Disclosed are a display device, etc. which display information in a display format that provides high visibility. The display devicecomprises a display unitwhich 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.

Display device, display method, and recording medium having display program stored thereon

A delay tolerant network is built with the use of a plurality of information transfer devices each of which includes: a communication unit to communicate to and from another device within a communication range that is connected to the information transfer device; and a storing unit to store and keeps collected notification information, and each of which holds delay tolerant communication by exchanging the collected and kept notification information with another device when the exchange becomes possible. Each information transfer device includes a control unit to exchange environment information with another information transfer device, and to execute deriving processing an assigned range that is assigned autonomously to its own information transfer device, based on the environment information that is kept by its own information transfer device, through a planarization search processing in which a value is evened out between its own information transfer device and other information transfer devices.

Information transfer device, delay tolerant network, information transmission method, and recording medium

A data transfer device calculates a compression performance value which represents a quantity of data that can be compressed per unit time and a transfer performance value which represents a quantity of data that can be transferred per unit time, and calculates, based on these values, a compression ratio which represents a ratio of data to be compressed and then transferred to total data to be transferred. The data transfer device extracts, from a storage unit which stores data, the data to be transferred, and then compresses part of the extracted data based on the compression ratio, and transfers the compressed data and remaining data to another device. The compression and transfer processes are performed in parallel.

Data transfer device, data transfer method, and program storage medium

This vehicle guidance system carries out guidance of vehicles that are traveling on roads making up a road network, the vehicle guidance system being provided with: a flow detection unit that detects the flow of vehicles on each of the roads making up a road network, and generates flow information indicating the detection result; a storage unit that creates associations between the flow information for the roads which has been generated by the flow detection unit, and road-identifying information indicating the corresponding roads, and storing the information; a decision unit that, for each of the roads making up the road network, specifies a candidate road that is a road which vehicles flow from the road in question, acquires the flow information that is stored in association with the road-identifying information indicating the specified candidate road in question, and based on the acquired flow information, decides on a flow increase or decrease policy of vehicles on the candidate road; and a guidance unit that carries out guidance of the vehicles, in accordance with the decision by the decision unit.

Vehicle guidance system, vehicle guidance method, management device, and control method for same

Disclosed is a database system capable of effectively updating data in a database at a high speed. The database system includes: a storage unit that stores a database including an entity data group and at least one identifier table having only a plurality of fixed-length data; and a data processing unit that receives a query and performs data processing on the database on the basis of the received query. The identifier table has a plurality of data identifiers that uniquely indicates the plurality of entity data as the fixed-length data.

Database system, method of managing database, and computer-readable storage medium

The database system of the present invention decides a fragment length responding to a unit of a data process of a parallel arithmetic unit, and stores tuple data containing variable-length data into a fragment and metadata of the fragment into a fragment header, respectively, in a column store database. The database system refers to the metadata when executing a process for data stored in the column store database, decides the fragments to be assigned to each thread that is executed by the parallel arithmetic unit, assigns the fragments to each thread based upon the decided content, and causes each thread to execute a parallel arithmetic operation.

Growing community of inventors

Tokyo, Japan

Junpei Kamimura