Abstract: According to one embodiment, a document analysis apparatus is an apparatus comprising first document storage circuit for storing first documents that include words, belong to respective categories constituting a hierarchical structure, and only comprise opinion documents for a desirable object, and a second document storage circuit for storing second documents that include words, belong or do not belong to the categories constituting the hierarchical structure and comprise opinion documents for the desirable object and documents other than the opinion documents, and the apparatus is configured to classify, into one of the categories constituting the hierarchical structure, the second documents that do not belong to the respective categories among the second documents stored in the second document storage circuit.

Abstract: According to an embodiment, a database system includes nodes and a management device. The management device includes first and second assigning units. Depending on change in state of each node, the first assigning unit assigns a first node storing data pieces and receiving an access request to the data pieces, and assigns a second node serving as a backup node, and instructs each node to perform operations according to assignment. Depending on state of nodes and change in assignment state, the second assigning unit assigns a third node as a candidate node serving as the first node, and instructs each node to make preparation for causing the third node to operate as the first node. Each node sends, to the third node, a snapshot of the data pieces at the first time point and an operation log according to the access request at and after the first time point.

Abstract: According to an embodiment, a data processor includes a storage unit that stores a set of character strings that is a set of character string elements of which magnitude correlation is uniquely identifiable; a data converter that encrypts numerical data included in data to be managed, generates an index value corresponding to the numerical data using the character string elements included in the set of character strings, and generates converted data including the encrypted numerical data and the index value; a first transmitting unit transmits the converted data to a server; a query expression converter that converts a condition part including a numerical value of a query expression into a condition part including the character string elements to generate a converted query expression; a second transmitting unit that transmits the converted query expression to the server; and a receiving unit that receives, from the server, a result of query.

Abstract: A data analysis supporting apparatus according to an embodiment comprises a variable-type determining device, a variable-variation generating device, and a variable-contribution rate determining device. The variable-type determining device determines the type of each variable. The variable-variation generating device generates variations of each variable in accordance with the variable type determined and with a variable variation rule that defines a method of generating the variations of each variable of any type. The variable-contribution rate determining device calculates the rate at which the variations and analysis data contribute to the objective variable, and determines, from the rate, whether the variations should be used or deleted.

Abstract: According to an embodiment, an information processing system includes a server and a client. The server includes a storage, a receiver, and a storage controller. The storage is configured to store data and its version in a record indexed by a key for identifying the record. The receiver is configured to receive, from the client, a write request including write data, requested key for identifying a record where the write data is to be stored, and a write version that indicates a version of the write data. The storage controller is configured to replace the data and its version in the record identified by the requested key with the requested write data and the requested write version, respectively, if the version in the record identified by the requested key is smaller than the write version.

Abstract: According to an embodiment, a virtual try-on apparatus includes a first acquisition unit, a first display controller, an acceptor, a generator, and a second display controller. The first acquisition unit is configured to acquire characteristic information on a try-on subject. The first display controller is configured to display on a first display, clothing images corresponding to the acquired characteristic information in first information in which the characteristic information and the clothing images are associated with each other. The acceptor is configured to accept from the try-on subject a selection of an image of clothing to be tried on from among the clothing images displayed on the first display. The generator is configured to generate a composite image of a try-on subject image of the try-on subject and the selected clothing image. The second display controller is configured to display the composite image on a second display.

Abstract: A data collection apparatus includes a data collection section configured to receive sequential time-series output data pieces for each of data sources, a data shaping section configured to perform data shaping processing on the sequential time-series output data pieces based on a predetermined data shaping rule set for each of the data sources such that the resulting data pieces are reduced in number or in data amount as compared with the output data pieces output from the data source, a data transmission section configured to transmit the output data pieces to the monitor control apparatus, and a data shaping rule control section configured to receive the data shaping rule set for each of the data sources from the monitor control apparatus and to set the received data shaping rule in the data shaping section.

Abstract: According to one embodiment, an input unit accepts input of an input sentence that is a second sentence of the native language corresponding to a first sentence. A language analysis execution unit executes language analysis for the input sentence. A grammatical feature extraction unit extracts a grammatical feature of the input sentence based on a result of the executed language analysis. A search query generation unit generates a search query based on the extracted grammatical feature. An output unit searches for an index based on the generated search query and outputs an exemplary sentence set including an exemplary sentence of the native language corresponding to an index that matches the search query and an exemplary sentence of the foreign language corresponding to the exemplary sentence of the native language.

Abstract: According to one embodiment, an anonymization apparatus according to an embodiment is configured to execute a determination process, a division process, and a process of recursively executing at least the determination process and the division process, and to thereafter execute anonymization. A number-of-kinds calculation circuit calculates a number of kinds of different attribute values for each of a plurality of attributes, before the determination process is executed. A determination circuit determines the attribute to be noticed, based on also the calculated number of kinds. A sort circuit sorts a plurality of personal data items, based on the calculated number of kinds, before the division process is executed.

Abstract: An anonymization indicator computation system of the embodiment includes a data storing device, an anonymization device, an anonymization degree computation device, and an addition degree computation device. The data storing device stores original data including a value for each item for each person. The anonymization device generates anonymized data from the original data by anonymizing values of part of items in the original data. The anonymization degree computation device computes the anonymization degree indicating a degree of anonymizing data based on the anonymized data. The addition degree computation device computes the data addition degree indicative of a probability of generating the anonymized data from the original data.

Abstract: A data management device according to an embodiment stores first encrypted data obtained by encrypting plain text data with a first public key of a first user device. The data management device stores a first re-encryption key for re-encrypting the first encrypted data without decrypting to obtain first re-encrypted data decryptable with a private key of a second user device. The data management device stores a conversion key generated from a first private key corresponding to the first public key and a second private key of the first user device. The data management device converts the first encrypted data into second encrypted data with the conversion key. The data management device The data management device converts the first re-encryption key into a second re-encryption key with the conversion key.

Abstract: An information processing system includes a first determining unit, a second determining unit, and a processing unit. The first determining unit determines a result indicating a second fixed state for data when a first condition is satisfied, the first condition indicating that t2 or more results of a first recommended state or a first fixed state are selected for the same data. The second determining unit determines the result indicating the first fixed state for the data when a second condition is satisfied, the second condition indicating that t1 or more results indicating the second fixed state are selected for the same data. The second determining unit also determines the result indicating the first recommended state for the data when a third condition is satisfied, the third condition indicating that (b+1) or more results indicating the second fixed state are selected for the same data.

Abstract: According to an embodiment, an image display apparatus includes a detection unit, a generation unit, and a display control unit. The detection unit detects areas to be focused in an input image. The generation unit generates a sub image by performing correction for improving visibility on an image of the detected area. The correction includes at least one of size correction for adjusting size of the image of the area, color correction for adjusting color of the image of the area, and distortion correction for transforming the image of the area so as to be an image acquired by viewing the image of the area from the front side. The display control unit displays the generated sub image on a display device together with the input image in a form that accompanies a screen representation representing a correspondence relation with the area.

Abstract: According to an embodiment, a speech section detection device includes a reception unit and a detection unit. The reception unit is configured to receive, from an external device, a first voice signal that is a signal in which likelihood indicating a probability of speech is equal to or more than a first threshold. The detection unit is configured to detect, from the first voice signal, a second voice signal that is a signal of a section in which the likelihood is equal to or more than a second threshold that is larger than the first threshold.

Abstract: A remote maintenance system includes a maintenance management apparatus connected to a user apparatus and a communication relay apparatus connected to a remote-controlled apparatus. The maintenance management apparatus transmits, to the communication relay apparatus, message data whose destination is unique identification information of a mobile communication network assigned in advance to the communication relay apparatus. The communication relay apparatus notifies the maintenance management apparatus of an IP address that is dynamically assigned to itself upon reception of the message data. The maintenance management apparatus transmits, to the communication relay apparatus, information on remote operation received from the user apparatus whose destination is the notified IP address. The communication relay apparatus relays, to the remote-controlled apparatus, the information on the remote control received from the maintenance management apparatus.

Abstract: According to an embodiment, a code processing apparatus includes a determining unit, a concealing unit, an instructing unit, and an unconcealing unit. The determining unit is configured to determine, based on relocation information included in first code data that includes a code body and relocation information representing a portion of the code body to be relocated by a linker, a first portion including at least a part of the code body that is other than the portion. The concealing unit is configured to conceal the first portion. The instructing unit is configured to instruct the linker to process the first code data having the first portion concealed. The unconcealing unit is configured to unconceal the concealed portion of second code data that is generated from the first code data by the linker.

Abstract: According to an embodiment, an information processing device includes a storage unit, a reception unit, a recognition unit, and a specification unit. The storage unit stores therein accumulated information containing entry information of multiple types of forms accumulated by form type and entry field. The reception unit receives a form. The recognition unit recognizes the entry information contained in the form received by the reception unit. The specification unit compares the accumulated information and the entry information recognized by the recognition unit to specify the type of the form received by the reception unit.

Abstract: According to an embodiment, a voice synthesizer includes a content selection unit, a content generation unit, and a content registration unit. The content selection unit determines selected content among a plurality of pieces of content registered in a content storage unit. The content includes tagged text in which tag information for controlling voice synthesis is added to text serving as a target of the voice synthesis. The content generation unit applies the tag information in the tagged text included in the selected content to designated text to generate new content. The content registration unit registers the generated new content in the content storage unit.

Abstract: According to one embodiment, a re-encryption key generator which generates the re-encryption key based on the first private key, the second re-encryption key generation key, and a plurality of random numbers. The second re-encryption key generation key comprises a plurality of system-specific values and the second private key. The re-encryption key includes an exponent having a numerator portion and a denominator portion or a scalar having a numerator portion and a denominator portion. The numerator portion is in form of a linear coupling of the second private key on which at least one of a plurality of private values specifying relations between the system-specific values and the random numbers is allowed to act. The denominator portion is the first private key.

Abstract: A distributed database system accesses data by using management information managed by another data store, and accelerates a timing to update a data record having high access frequency. Thereby the latest data can be easily acquired. A distributed database system according to one embodiment comprises a distributed database including a plurality of nodes that stores data, and a data management device that manages the data stored in the plurality of nodes. Each of the nodes comprises a data storage unit that stores the data related to a time stamp representing a time when the data is stored and a key identifying the data, a data update unit that updates the data, a data sending unit acquires the data stored in the data storage unit, and a data update promotion unit that requests the data update unit to update the acquired data when the acquired data is not latest data.