Abstract: A wireless communication method in a wireless communication system including an accommodation station device and a base station device that performs beam formation according to control of the accommodation station device, includes: transmitting an optical modulation signal generated by performing intensity modulation on an optical signal on the basis of a transmission signal to be transmitted to the base station device via an optical transmission line by the accommodation station device controlling any combination of a light wavelength, a frequency, or an optical polarized wave, or a plurality of frequencies or a plurality of light wavelengths, to perform beamforming control of the base station device; transmitting the optical modulation signal after dispersion compensation is performed in an electrical domain or an optical domain in the accommodation station device or performing dispersion compensation on the optical modulation signal on the optical transmission line; and inputting, by the base station devic

Abstract: A word evaluation value acquisition method, including a document display step in which a display unit 300 displays a document composed of a plurality of sentences, a word selection reception step in which an input unit 200 receives selection of a word included in the document, a word evaluation reception step in which the input unit 200 receives an evaluation result indicating any of the plurality of index values with respect to a selected word that is the word whose selection has been received in the word selection reception step, and a decoration step in which the display unit 300 applies a decoration allocated to an index value corresponding to the evaluation result received in the word evaluation reception step to the selected word and a word having the same spelling as the selected word included in the document.

Abstract: A communication device (10) according to the present disclosure includes a selection list creation unit (12) that creates a selection list including identifiers and Weight reference values of a plurality of communication devices configuring Multihoming based on the identifiers of the plurality of communication devices configuring the Multihoming and the Weight reference value according to a communication state of each of the plurality of communication devices configuring the Multihoming notified of by another device, and a selection unit (13) that selects a designated forwarder (DF) and a backup DF (BDF) from the created selection list based on a predetermined condition based on the Weight reference value.

Abstract: A deterioration determination device (2) according to the present disclosure includes an input unit (21) that receives an input of image data indicating an image including a figure of an inspection object, a correction unit (232) that generates a corrected image in which the image is corrected to increase an aspect ratio of a region surrounding the figure of at least some inspection object included in the image, a target region extraction unit (252) that extracts, from the corrected image, a target region indicating the figure of the inspection object included in the corrected image, a deterioration region detection unit (253) that detects a deterioration region indicating a figure of a deterioration portion of the inspection object from the corrected image, and a determination unit (254) that determines a deterioration degree of the inspection object based on the target region and the deterioration region.

Abstract: A network management device includes a priority calculation unit to apply, to a situation in which, when a failure in communication occurs in a plurality of buildings that houses a communication facility. When a condition in which the failure that occurred is assumed to be restored regarding a plurality of combinations of some buildings among the buildings in which the failure has occurred by performing restoration on the communication facility housed in the building is applied, the failure in communication continuously occurs in a building that houses a communication facility used for providing a predetermined type of communication service among the plurality of buildings, a policy that defines weighting corresponding to the situation and calculate, for each of the plurality of combinations, priority of a possible combination of buildings in which the failure that occurred is to be actually restored among the buildings in which the failure has occurred.

Abstract: A receiver convolves an impulse response for compensating for frequency characteristics and a complex impulse response for wavelength dispersion compensation with each of a real component and an imaginary component of each polarized wave of a reception signal. For each polarized wave, the receiver performs complex signal processing of multiplying the imaginary component by the imaginary unit, then branching the resulting component, and adding one imaginary component to the real component. For each polarized wave, the receiver uses, as input signals, the real component and the imaginary component of each polarized wave after complex signal processing and the phase conjugates of them.

Abstract: An autocomplete apparatus includes a memory and a processor configured to output a suggestion of a low-level language code corresponding to a high-level language code when a programmer converts the high-level language code into the low-level language code; and perform learning based on whether the suggestion is adopted by the programmer.

Abstract: A point cloud data processing device includes: a point cloud data storage unit that stores a plurality of pieces of point cloud data measured at an arbitrary measurement time at a plurality of measurement positions in a three-dimensional space; and a merged point cloud data generation unit that generates merged point cloud data in a time-series order based on the point cloud data stored in the point cloud data storage unit, the merged point cloud data including the point cloud data corresponding to any one of the measurement times, location data indicating a location of a point when pieces of point cloud data measured before the measurement time were integrated in a time-series order, and reference data assigned to each piece of location data, for specifying the point cloud data including the point indicated by the location data

Abstract: An object is to provide an optical fiber test method and an optical fiber test device capable of acquiring a maximum loss of a higher-order mode at a connection point of an optical fiber transmission line through which a plurality of modes propagate.

Abstract: An object of the present disclosure is to provide an optical switch that does not require power supply.

Abstract: A detection device includes a feature value database configured to store a packet feature value, a label assigned to each packet feature value, and a threshold used for determination in advance. The detection device includes a memory and a processor coupled to the memory. The processor is configured to perform operations including: converting a target packet into a feature value using a first natural language processing model that has been trained using normal communication packets as learning data; assigning a label to the feature value converted using the first natural language processing model, based on the feature value converted using the first natural language processing model and the data stored in the feature value database; and determining whether the target packet has an anomaly based on the assigned label.

Abstract: A judgement device according to an embodiment includes an acquisition unit, a determination unit, a judgement unit, and an update unit. The acquisition unit acquires data of a sentence consists of at least two words. The determination unit determines a verb and an object word from among words included in the data. The judgement unit refers to group label information indicating which of a verb or an object word a word included in a label representing a sentence representative of a group including one or more sentences having the same meaning corresponds to, and judges which label a synonym of the determined verb and a synonym of the object word correspond to. The update unit associates a sentence with a judged label and updates the group label information when it is possible to judge which label a synonym of a verb and a synonym of an object word correspond to.

Abstract: A learning apparatus according to an embodiment has a feature generation means configured to take a search query, a first document related to the search query, and a second document that is not related to the search query as input, and generate a feature of the search query, a feature of the first document, and a feature of the second document, by using model parameters of a neural network, and an update means configured to take the feature of the search query, the feature of the first document, and the feature of the second document as input, and update the model parameters by using an error function including a cost function that is a differentiable approximation function of an L0 norm.

Abstract: Apparatuses and methods are provided for adding a word or a character to a machine learning model for training the machine learning model. In particular, a model learning apparatus executes operations comprising adding a word or a character to be added to a neural network as a machine learning model to the output layer of the neural network. The operations further comprise calculating an output probability distribution of an output from the output layer of the neural network when a feature amount of the word or the character is input to the neural network. Given the output probability distribution and a correct feature amount of the word or the character, the operations further comprise updating a parameter of the output layer of the neural network.

Abstract: The present disclosure enables vehicle dispatch in consideration of individual differences of each orderer for a price and a required time by a computer executing an input procedure to input parameters for a distance matrix relating to a distance between a taxi and an orderer giving a taxi dispatch order, a travel distance for an order, an opportunity cost parameter for a taxi driver, and an acceptance probability function of the orderer, and a calculation procedure to calculate a price and a required time to be presented to the orderer by solving an optimization problem formulated using the parameters.

Abstract: A transmission apparatus including the number of antennas different from a reception apparatus and performing transmission by SC-MIMO to and from the reception apparatus includes a training signal generation unit that generates a known signal predetermined, a CP addition unit that adds a CP to each symbol of a transmission signal including the known signal, a weight generation unit that generates a transmission weight based on a transposed adjugate matrix that is a product of a channel matrix estimated based on the known signal by the reception apparatus and a complex conjugate transpose of the channel matrix, and a transmission beam formation unit that uses the transmission weight to form a transmission beam for the transmission signal where the CP is added.

Abstract: According to one aspect of the present invention, when a combination rule of event information to be monitored is created by aggregating a plurality of pieces of event information generated in a network, an information processing device executes: collecting the plurality of pieces of event information; calculating a correlation value for a plurality of combinations of event information including m (m?3) pieces of event information generated from the plurality of pieces of event information collected; selecting a combination of the pieces of event information for which the calculated correlation value is equal to or higher than a predetermined value, wherein the correlation value increases as the number of times or frequency that the event information included in a combination appears according to the combination increases and also increases as a time interval between the pieces of event information included in the combination decreases; and generating the combination rule on the basis of the event information

Abstract: An object of the present disclosure is to collectively collect sensing data and metadata regarding normality of equipment by utilizing light communication protocol. The present disclosure is a system that collects sensing data from a sensor terminal in a data collection unit using a data collection network, the sensor terminal including a detection unit configured to detect metadata regarding internal information of the sensor terminal other than a sensor device that detects sensing data and equipment information and transmitting the metadata detected by the detection unit using an extended area or an optional area defined in communication protocol for transmitting the sensing data or the equipment information in a frame defined in the communication protocol, and the data collection unit associating the sensing data, the equipment information, and the metadata on the basis of information for identifying the sensor terminal described in the frame.

Abstract: An external system linkage unit (11) receives control information of a plurality of communication devices (21 to 29) accommodating a user using a network from an external system. A resource collection unit (12) acquires resource information of each of the communication devices (21 to 29) and detects a change in resource state. A device management unit (14) executes control of the communication device (21 to 29) including recombination of an accommodation position of the user on the basis of the control information received by the external system linkage unit (11) or the change of the resource state detected by the resource collection unit (12).

Abstract: An aspect of the present invention is a communication system including: an encoding unit configured to transform an input symbol sequence into an output symbol sequence, the input symbol sequence being a sequence of first symbols, the output symbol sequence being a sequence of second symbols; and a decoding unit configured to transform the output symbol sequence into the input symbol sequence in accordance with a decoding-side transformation mapping for transforming the output symbol sequence into the input symbol sequence that is a transformation source for the output symbol sequence, wherein the encoding unit transforms the input symbol sequence into the output symbol sequence in accordance with encoding-side transformation destination candidate information, the input symbol sequence, and a transformation probability, the encoding-side transformation destination candidate information being information indicating candidates of a transformation destination for the input symbol sequence, the transformation pro