Nippon Telegraph and Telephone Corporation

Hitachi Metals, Ltd.

Nabtesco Corporation

Nissan Motor Company Limited

Nintendo Co., Ltd.

Nagaoka University of Technology

Apresia Systems, Ltd.

Masataka Sato

Kimihiko Fukami

Kenichi Tayama

Shingo Horiuchi

Kenji Murase

Kinya Yamazaki

Yoshinori Sunaga

Shohei Nishikawa

Kazuaki Akashi

Shinji Komatsuzaki

Akira Ogura

Manami Ogawa

Yoshiaki Ishigami

Norio Chujo

Naoki Matsushima

Atsushi Kaneko

Koji Nakamura

Toshiharu Izuno

Toshiaki Takai

Shunsuke Kanai

Yuji Soejima

Etsuro Komori

Fumika Asai

Aiko Oi

Motomu Nakajima

Kosuke Sakata

Yuichi Suto

Kiyoshi Ohishi

Yuki Yokokura

Tomoyoshi Sato

Takehiko Tokoro

Chao Wu

Yosei Hirano

A hydraulic device includes: a first block having internal teeth; a second block configured to rotate relative to the first block; an oscillatory rotating body having external teeth smaller in number than the internal teeth, being provided inside the first block such that it is oscillatorily rotatable, and having an inner circumferential portion; a rotation restricting shaft extending from the inner circumferential portion of the oscillatory rotating body in a direction intersecting a radial direction and coupling the oscillatory rotating body and the second block such that they are not allowed to rotate relative to each other while allowing the oscillatory rotating body to oscillatorily rotate; a first friction plate configured to rotate together with the oscillatory rotating body; a second friction plate restricted from rotating by the second or first block; and a press mechanism configured to press the first and second friction plates against each other.

Hydraulic device, hydraulic motor and construction machine

To easily find columns containing information to be shared between databases found when the databases (DBs) are combined. A data-pattern classification method for a database containing character strings regularly overlapping between the input values of mixed columns and information inputted in another specific column, the mixed column including types of information, the method including: extracting means for extracting a branch column for changing the type of information to be inputted to the mixed column, the branch column being extracted by one of a heuristic first technique and a second technique, the first technique using timing to change the pattern of the mixed column in the database including the mixed column, the pattern referring to a column where a character string overlaps the input value of the mixed column, the second technique using a statistical technique of a likelihood test; and classification to obtain the number of types of information stored in the mixed columns, by grouping, according to information indicated by the patterns, the patterns obtained from the mixed columns based on the extracted branch column.

Classification method of data pattern and classification system of data pattern

A network management device according to an embodiment includes: a path selection processing unit configured to perform path selection processing of selecting a path of a physical layer between a start point and an end point of a network based on a first entity stored in a first storage device configured to store the first entity, the first entity representing an entity of an information object of the network; and an entity generation processing unit configured to perform entity generation processing of generating a second entity of a logical layer corresponding to the path of the physical layer selected by the path selection processing unit based on a specification of the information object stored in a second storage device configured to store the specification.

Network management apparatus, method, and program

A name data associating device according to one embodiment associates synonymous name data having different notation between a first database (DB) holding adjacency information and a second DB holding adjacency information and path identification information, and includes: a path information extraction unit that generates all paths having common data common between both DBs as a starting point and the name data in the second DB as vertices, and extracts path information of each path; a path creation unit that, based on the information held by the first DB, generates paths having the same conditions as the extracted path information of each path; and an associating unit that associates the name data between the first and second DBs by extracting, from the generated paths, a combination of paths having more vertices passed through and fewer overlapping parts, and associating the vertices of each extracted path with the vertices of each path generated by the path information extraction unit.

Name data matching apparatus, and name data matching method and program

A network management device according to one embodiment includes a device that stores rules for mapping between a service order and a resource order; a device that stores, when a mapping is performed based on the mapping rules, a mapping history in which an identifier of a service for the service order which is a mapping source, a type of a rule used for the mapping, and an identifier of a resource for the resource order which is a mapping target are described; and a creation unit that, when a service order to change the service is created, acquires, from the mapping history and the identifier of the service to be changed, information indicating types of rules to be used for mapping of the service order to change the service and the identifier of the resource for a resource order which is a mapping target, and creates a resource order by mapping of the order to be changed based on the acquired mapping rules.

A network management apparatus according to an embodiment includes: a storage device configured to store information indicating a correspondence relationship between information objects related to a logical layer, information objects related to a physical layer in a network configuration, and information objects related to a facility layer which are objects in which the information objects related to the physical layer are housed; an acquisition unit configured to acquire an information object related to an occurrence path of a failure in the logical layer of the network configuration, from the storage device; and a search unit configured to search for, among the information objects related to the facility layer stored in the storage device, an information object related to the facility layer and the physical layer associated with the information object related to the occurrence path of the failure acquired from the acquisition unit, as a candidate for a facility that causes the failure.

A network management apparatus acquires a given information object related to a plurality of occurrence paths of a failure in a logical layer of a network configuration; and retrieves, as a candidate of a facility to be a failure cause, information objects related to the facility layer and the physical layer commonly associated with the given information object; calculates, for each of the retrieved information objects, the number of information objects which are associated with the object and which are related to the plurality of occurrence paths of the failure as a multiplicity; and calculates, for each of the retrieved information objects, a proportion of the multiplicity with respect to the number of information objects in the logical layer which are affected when the failure occurs in the object.

A network management apparatus according to an embodiment includes a storage device configured to store information indicating connection relationships between a plurality of communication devices and communication paths in a network configuration and rank information indicating ranks of the plurality of communication devices in the network configuration and a determination unit configured to, when a fault has occurred in a communication device, determine that a communication device influenced by the fault is within a fault influence range based on the information stored in the storage device.

There is provided a network management device () including a capacity management unit () for managing the capacity in a network to be managed and a storage unit () for storing management information. The storage unit stores specification information of entities included in the network, and entity information including information indicative of relationships between the entities. The capacity management unitincludes a capacity request acquisition section () which receives a generation request of a first entity; reads the specification information about the first entity from the storage unit, and determines whether or not the first entity needs to consume a resource; when it is determined that the first entity needs to consume a resource, identifies a second entity capable of providing capacity consumed by the first entity, based on the entity information stored in the storage unit; and outputs information about the identification result.

A network management apparatus according to an embodiment includes: a storage unit configured to store information indicating a correspondence relationship between information objects related to a physical layer and information objects related to a logical layer in a network configuration, an acquisition unit configured to acquire a first information object related to a location where a failure occurs in the physical layer of the network configuration from the storage unit, an identification unit configured to identify, as a failure influence range, a second information object associated with the first information object related to the location where the failure occurs, of the information objects related to the logical layer stored in the storage unit, the first information object being acquired by the acquisition unit, and an outputting unit configured to output information indicating the failure influence range identified by the identification unit.

A data search apparatus according to an embodiment includes: an input unit; and a storage apparatus configured to store master data names managed with master data. The data search apparatus calculates edit distances between master data names stored in the storage apparatus and input data names input in the input unit, calculates degrees of similarity between the master data names and the input data names based on term frequency and inverse document frequency of the master data names and the input data names, performs processing for narrowing down candidates for the data name being searched for in the master data names based on the calculation results and adjacency information indicating adjacency relationships between the master data names and the input data names, and outputs information indicating correspondence between the master data names and the input data names based on the candidate for the data name being searched for, the candidate for the data name being obtained through the narrowing-down processing.

Data retrieving apparatus, method, and program

A service provision method according to one aspect of the present invention includes providing, to a user terminal (), a catalog including: a first node type for defining a node relating to a VNW (); a first relationship type for defining a relationship between nodes relating to the VNW (); a second node type for defining a node relating to an LNW (); and a second relationship type for defining a relationship between nodes relating to the LNW (); receiving, from the user terminal (), a service request generated in accordance with the catalog for requesting a service that uses the HNW (); and controlling a VNW OpS () and an LNW OpS () in response to the received service request.

Service providing apparatus and method

An operation apparatus for outputting a request to a management apparatus which manages a Network Service (NS) constructed on a NetWork (NW) including a core NW serving as a virtualization area and an access NW serving as a non-virtualization area including: a storage unit configured to store new configuration information obtained by updating NW configuration information indicating an NW configuration including devices disposed on the NW due to a fault of the NS, a catalog which is a template of the NS, a record describing a lifecycle of the NS, and an order for requesting the management apparatus to control the NS; an optimal configuration determination unit configured to determine an optimal configuration of the NS based on the new configuration information, the catalog, the record, and the order; and an order generation unit configured to generate a change order for changing an NS configuration of the NS to the optimal configuration determined by the optimal configuration determination unit.

Operation device and operation method

A network management device according to an embodiment includes network property storage means for storing information representing network properties, information object storage means for storing an information object relating to a network configuration corresponding to information representing network properties stored in the network property storage means, network property acquisition means for acquiring, from the network property storage means, information representing network properties corresponding to an optional protocol layer, information object acquisition means for acquiring, from the information object storage means, the information object corresponding to information representing network properties acquired by the network property acquisition means, and display means for displaying the information object acquired by the information object acquisition means.

Network management device, network management method, and network management program

An optical communication module includes a module board housed in a casing, a VCSEL and a driving IC mounted on a mounting surface of the module board, a lens holder mounted on the mounting surface of the module board, a lens block held by the lens holder, a plurality of thermal vias passing through the module board, and a first fixing screw and a second fixing screw passing through the module board to be screwed into the casing so as to press a back surface of the module board against a bottom surface of the casing, and the first fixing screw and the second fixing screw are each arranged in a region between the plug connector and the lens holder and on either outer side of the lens holder.

Growing community of inventors

Tokyo, Japan

Masataka Sato