Abstract: A labeling apparatus includes processing circuitry configured to extract a feature of malware to be labeled and features of a malware group with a known label, and identify malware or a malware group with a feature among the features of the malware group that is most similar to the feature of the malware to be labeled based on a degree of similarity between the feature of the malware to be labeled and each of the features of the malware group extracted, and give a label that has been given to the malware or the malware group to the malware to be labeled.

Abstract: A learning apparatus includes: a first estimation unit—configured to learn normal communication data, estimate probability density of the normal communication data, and update a parameter of a model; a clustering unit configured to cluster the normal communication data according to the probability density estimated by the first estimation unit; a second estimation unit configured to perform learning for each of clusters resulting from the clustering by the clustering unit, and estimate the probability density of the normal communication data of the cluster and update a parameter of a model representing characteristics of the probability density of the normal communication data of the cluster by using, as an initial value of the parameter, a parameter having already been learned in the first estimation unit; and an integration unit configured to integrate the estimated probability density of the clusters.

Abstract: A synthetic data generation apparatus codes a value of each of category attributes contained in original data into a value of a numerical attribute in accordance with a coding rule; generates first synthetic data from the original data after coding using a synthetic data generation method for numerical attributes; if the value of the numerical attribute which is contained in the first synthetic data and corresponds to the value of one of the category attributes exceeds a range of values that can be assumed by the value of that numerical attribute, converts the value of that numerical attribute to a value included in the range of values that can be assumed by the value of that numerical attribute; and decodes the value of the numerical attribute which is contained in the first synthetic data after conversion and corresponds to the value of one of the category attributes to the value of that category attribute in accordance with the coding rule to obtain synthetic data.

Abstract: An electro-optical device includes an electro-optic crystal, a first electrode, and a second electrode. A voltage is applied to the electro-optic crystal by the first electrode and the second electrode. The electro-optic crystal has an incident surface and an emitting surface parallel to each other and deflects incident light made incident on the incident surface at an acute incident angle in an electric field direction in which a voltage is applied. A rotation axis of an incident angle is parallel to the electric field direction.

Abstract: A radio frequency antenna measurement system (10) of the present invention includes a receiving antenna (14) that receives a radiated radio wave from an on-chip radio frequency antenna (AUT). The receiving antenna (14) includes a waveguide (14A) in which a connector (14B) for outputting a reception signal to the power sensor (15) is integrally formed at a rear end. Accordingly, in a state where a microscope (MS) necessary for position adjustment of a feed probe (12) is installed, it is possible to construct a reception system that receives the radiated radio wave from the AUT and measures a radiation characteristic on a stage (11), and to measure the radiation characteristic such as a gain and radiation pattern of the AUT with high accuracy.

Abstract: Provided is a motion element including: a substrate; a gel layer made of a stimulus-responsive gel and provided on one surface of the substrate; and an input unit that inputs a stimulus to which the stimulus-responsive gel reacts in a non-contact manner at an arbitrary position on the gel layer, in which adhesive regions where the substrate and the gel layer adhere to each other and a non-adhesive region where the substrate and the gel layer do not adhere to each other are formed at an interface between the substrate and the gel layer, the adhesive regions are provided on both sides of the non-adhesive region in a plan view, and the input unit inputs the stimulus to the gel layer overlapping the non-adhesive region.

Abstract: A quantum compilation device obtains a probability p(k) that minimizes an error between a distribution of first observed values obtained by observing, with any observation method, a first quantum state obtained by causing the quantum circuit to be compiled represented by a unitary matrix U to act on any input quantum state, and a distribution of second observed values obtained by observing, with the observation method, a second quantum state obtained by causing a quantum circuit represented by each of a plurality of elements Uk?{U1, . . . , UK} of a set {U1, . . . , UK} to act on the input quantum state with the probability p(k), for the set {U1, . . . , UK} in which a unitary matrix representing elementary gates and/or a unitary matrix representing a product of unitary matrices each representing an elementary gate are the elements U1, . . . , and UK, and the unitary matrix U representing a quantum circuit to be compiled, and outputs an element Uk with the probability p(k).

Abstract: A second communication device transmits notification information related to a communication status between a transmission device and a first communication device to the transmission device. The transmission device determines a transmission method of data to the first communication device on the basis of the notification information received from the second communication device, and transmits the data to the first communication device by the determined transmission method.

Abstract: A validity determination apparatus according to one embodiment includes: circuitry configured to acquire a natural sentence; output a semantic representation by executing semantic parsing with the natural sentence as an input; calculate a first alignment score representing a relationship between input/output tokens of the natural sentence and the semantic representation; calculate a second alignment score of a word unit from a relationship between a token included in the input/output tokens and a word; extract natural sentence content words by executing part-of-speech parsing on the natural sentence; a grammar parser configured to extract semantic representation content words by executing grammar parsing on the semantic representation; and determine whether the semantic representation is valid on the basis of the second alignment score, the natural sentence content words, and the semantic representation content words.

Abstract: An amplification optical fiber according to the present disclosure is an amplification optical fiber doped with a rare earth element, the amplification optical fiber including: a first cladding enclosing cores of the amplification optical fiber; and a second cladding enclosing the first cladding, in which the two or more cores are disposed inside the first cladding in a cross section of the amplification optical fiber, and a core cladding ratio Rcc, which is a ratio of a sum of areas of the two or more cores to a sum of areas of the two or more cores and the first cladding in the cross section of the amplification optical fiber, is 0.0095<Rcc<0.11.

Abstract: Provided an optical transmission characteristic estimation device that models an optical effect of an optical transmission line by a nonlinear Schrodinger equation, divides the optical transmission line into N (N is an integer of two or more) sections, obtains a solution of the nonlinear Schrodinger equation by an operation of N steps in which a section length of each of the divided N sections is a step size, and estimates transmission characteristics of the optical transmission line, the optical transmission characteristic estimation device including a step size update unit configured to update each of the N step sizes on the basis of an estimated optical power distribution and an estimated dispersion distribution, which are indicated by the transmission characteristics.

Abstract: Each transmitting apparatus transmits the same radio signals a plurality of times. A communication apparatus includes a plurality of antennas, a signal storage unit, a reading unit, an equalization unit, and a demodulation unit. The plurality of antennas receives radio signals transmitted from a plurality of the transmitting apparatuses. The signal storage unit stores reception signals received by each of the plurality of antennas. The reading unit reads, from the signal storage unit, reception signals including radio signals transmitted from a demodulation processing target transmitting apparatus, the reception signals being received by each of the plurality of antennas at different times. The equalization unit equalizes the plurality of reception signals read by the reading unit. The demodulation unit demodulates the equalized reception signals.

Abstract: An analysis device (40) receives an xFlow packet that is generated based on a sampled encapsulation packet and includes information regarding an outer header of the encapsulation packet and statistical information of a flow including the encapsulation packet. The analysis device (40) collates information regarding the outer header associated with information for identifying a user of VPN with information regarding the outer header included in the xFlow packet received by a reception unit (431), and specifies the user of the VPN from which the xFlow packet is transferred.

Abstract: An acquisition unit acquires environment information indicating an installation environment of a communication apparatus. A scheme specifying unit specifies a transmission scheme of data on the basis of relational data indicating a relationship between the environment information and the transmission scheme and the acquired environment information. A transmission unit transmits the data to a relay device on the basis of the specified transmission scheme.

Abstract: A communication method, which is executed by a communication apparatus among a plurality of communication apparatuses connected in multiple stages includes steps of acquiring downlink optical signals having one or more wavelengths including a predetermined reception wavelength from a previous stage and transmitting a communication situation signal or an allocation request signal of the communication apparatus to the previous stage using uplink optical signals having one or more wavelengths including a predetermined transmission wavelength, selecting a downlink optical signal having the reception wavelength, acquiring an allocation control signal indicating allocation of the reception wavelength and the transmission wavelength from the selected downlink optical signal having the reception wavelength, updating the reception wavelength and the transmission wavelength in accordance with the acquired allocation control signal, and transmitting an uplink optical signal having the updated transmission wavelength to

Abstract: An acquisition unit acquires a plurality of signals received by a plurality of antennas included in a wireless communication device that moves in a predetermined orbit above a celestial body. A parameter determination unit determines a synthesis parameter of the plurality of signals according to the position of a transmission terminal provided on the celestial body, the orbit, and the reception time of the plurality of signals. A synthesis unit synthesizes a transmission signal of the transmission terminal according to the plurality of signals and the synthesis parameter.

Abstract: In an audio spot formation device D including a speaker unit 1 and a support stand 2 that supports the speaker unit 1, the speaker unit 1 includes a plurality of parametric speakers 1a, 1b, 1c and 1d that divide a sound wave into a carrier wave and a sideband wave and radiate the carrier wave and the sideband wave, and a speaker disposition unit 10 in which the plurality of speakers 1a, 1b, 1c and 1d are disposed, the speaker disposition unit 10 is attached to the support stand 2 at a support unit P, at least one of a height of the support stand 2, an angle of attachment of the speaker disposition unit 10 at the support unit P and a direction of at least one parametric speaker of the plurality of parametric speakers 1a, 1b, 1c and 1d is adjustable, and a position at which an audio spot is formed is adjusted via the adjustment.

Abstract: The sensory stimulus presentation device includes: a label acquisition unit that acquires a classification label of an intellectual task to be performed by a user; and a sound emission unit that emits a first type of sound satisfying a predetermined criterion when the acquired classification label indicates a creativity task, and emits a second type of sound satisfying a criterion different from that of the first type of sound when the acquired classification label indicates a storage task.

Abstract: An object of the present disclosure is to provide an optical fiber having a simple structure, as well as attaining removal of loss components generated in an electric field part oozing out to a core-clad interface or a clad region and reduction in scattering loss generated from an interface with the clad region. The present disclosure relates to an optical fiber including a core for propagating light, a cladding disposed around the core, an air layer between the core and the cladding, and two or more bridges for supporting the core in the air layer.

Abstract: A data collection device according to an embodiment includes: an acquisition unit that acquires data when the data is stored in a shared storage area available to one or more users; a determination unit that determines whether or not a format of the data acquired by the acquisition unit is a format in which text included in the data can be extracted by a predetermined library; an extraction unit that extracts the text included in the data by a text extraction method according to a determination result determined by the determination unit; and a storage unit that stores the text extracted by the extraction unit in a database as learning data for a machine learning model that implements a natural language processing task.