Abstract: A non-transitory computer-readable recording medium stores a determination program causing a computer to execute a processing of: determining, based on at least one of an opinion of respective users with respect to a specific topic and information regarding an approval or a disapproval of the respective users for an opinion of another person with respect to the specific topic, a tendency of a change in an index value indicating a degree of positive emotions of the users; and outputting, when detecting a first tendency and a second tendency in which a difference between the first tendency and the second tendency is equal to or less than a threshold value, a first user corresponding to the first tendency and a second user corresponding to the second tendency from among the users as third users included in a target group.

Abstract: According to an aspect of an embodiment, operations may include obtaining a first waveform profile corresponding to an optical signal received at an optical receiver via an optical link between the optical receiver and an optical transmitter. The operations may also include obtaining a second waveform profile that is an estimate of the first waveform profile. The second waveform profile may be based on one or more properties of the optical link and may be based on a complex scaling factor that accounts for rotation of the optical signal as the optical signal propagates via the optical link. In addition, the operations may include determining a power profile estimation corresponding to the optical link based on a comparison between the first waveform profile and the second waveform profile.

Abstract: A light receiving element includes a light receiving layer that includes a superlattice of an InAs layer and a GaSb layer, and an amorphous layer that covers a side wall surface of the light receiving layer. The amorphous layer contains In and As, and an amount of Ga and an amount of Sb contained in the amorphous layer are smaller than an amount of In and an amount of As contained in the amorphous layer.

Abstract: An optical transmitter includes a signal processor and transmission circuit. The signal processor modulates a first signal to generate a first modulated signal, determines a modulo amplitude that is larger than an amplitude of the first modulated signal, inserts a second modulated signal into the first modulated signal to generate a transmission signal, corrects a symbol of the transmission signal by using an amplitude of one or a plurality of previous symbols to generate a pre-equalized signal, and performs modulo calculation based on the modulo amplitude on the pre-equalized signal. The transmission circuit generates a modulated optical signal based on an output signal of the signal processor and transmits the modulated optical signal to a reception node. An amplitude of the second modulated signal is equal to the modulo amplitude.

Abstract: A non-transitory computer-readable recording medium storing an output program causing a computer to execute a process, the process includes extracting an operation description related to a data operation for input data to a machine learning program, from the machine learning program, determining an extraction condition of target data to be operated in the data operation, based on the extracted operation description, extracting the target data which satisfies the determined extraction condition, from the input data, and outputting sampling data which includes the extracted target data.

Abstract: A computer acquires cluster data and performance data. The cluster data represents classification results obtained by classifying multiple sample programs into two or more clusters and arranging the clusters in multiple levels in such a manner that each level contains a different number of clusters. The performance data represents an execution performance of each sample program. The computer calculates, for each of two or more clusters in each level, a first evaluation value based on an index value for reusability of two or more sample programs belonging to the cluster and the execution performances of those sample programs. The computer also calculates, for each level, a second evaluation value based on the first evaluation values corresponding to the two or more clusters of the level. The computer selects, based on the second evaluation values corresponding to the multiple levels, the classification results of a level amongst the multiple levels.

Abstract: A heat dissipation sheet includes a first sheet composed of a plurality of first carbon nanotubes, and a second sheet composed of a plurality of second carbon nanotubes, wherein the first sheet and the second sheet are coupled in a stacked state, and the first carbon nanotubes and the second carbon nanotubes are different in an amount of deformation when pressure is applied.

Abstract: A communication device includes a processor that selects a first resource such that the first resource that is used to transmit data by the communication device does not overlap with a second resource that is used to transmit data by another communication device located in vicinity of the communication device and a transmitter that transmits the data by using the first resource selected by the processor.

Abstract: Embodiments of this disclosure provide sidelink resource multiplexing and indication methods and apparatuses thereof. The method includes: receiving by a second device length information indicating a length of a first part in a slot transmitted by a terminal equipment or a network device; and performing transmission and/or reception of sidelink information by the second device with a first device according to the length information. Hence, the second device is able to process the first part according to the length information, thereby improving performance of sidelink transmission.

Abstract: A recording medium stores a program for causing a computer to execute processing including acquiring a captured image and a depth image that represents a distance from an imaging position, identifying a road region and another region in contact with the road region from the captured image, calculating a change in a depth of a first region that corresponds to the road region and a change in a depth of a second region that corresponds to the another region included in the depth image, determining whether or not the another region is a detection target based on the change in the depth of the first region and the change in the depth of the second region, and identifying a position of a subject included in the another region based on the depth of the second region and the imaging position when the another region is the detection target.

Abstract: A processing method includes: determining at least one of first conditions in a first situation, by a second wireless apparatus in a system which includes a first wireless apparatus and a plurality of the second wireless apparatuses, the first situation being when the wireless apparatus operates in an idle mode and when communication between the wireless apparatus and the one other second wireless apparatus is performed via a first channel, the first conditions including whether a quality of the first channel is lower than a predetermined quality and whether a switching instruction is received; and executing a first process by the second wireless apparatus when the at least one of first conditions is met, the first process including establishing a second channel between the second wireless apparatus and the first wireless apparatus, and switching from communication via the first channel to communication via the second channel.

Abstract: Optical transmission system transmits WDM signal from first node to second node via optical fiber. The optical transmission system includes: first OCM that detects optical power of each wavelength channel of the WDM signal in the first node; second OCM that detects optical power of each wavelength channel of the WDM signal in the second node; first processor that calculates linear SNR of each wavelength channel based on the optical power of each wavelength channel detected by the second OCM; second processor that calculates non-linear SNR of each wavelength channel based on the optical power of each wavelength channel detected by the first OCM; third processor that calculates GSNR for each wavelength channel using the linear SNR and the non-linear SNR; and fourth processor that controls transmission power of each wavelength channel of the WDM signal based on the GSNR of each wavelength channel.

Abstract: A method and an apparatus for evaluating transmission impairments of a multiplexing converter. According to the method, impairments of a multiplexing converter are equivalent to the equivalent multiplicative noise and the equivalent additive noise, so as to allow evaluation of transmission impairments of the multiplexing converter, thereby to allow evaluation of the performance of a communication system. The multiplexing converter is a multiplexing analog-to-digital converter, or a multiplexing digital-to-analog converter. According to the present application, impairments of a multiplexing converter can be evaluated accurately, the performance evaluation of a communication system using the multiplexing converter is given, without being affected by an amplitude, a modulation format and a transmission rate of an input signal.

Abstract: A training method for causing a computer to execute process, the process includes measuring an inter-symbol interference value generated in a transmission path of double data rate (DDR) transmission that uses a decision feedback equalizer (DFE) circuit, based on a control result of a training pattern, a voltage reference value of a dynamic random access memory (DRAM), and a tap value of the DFE circuit, and obtaining a set tap value to be set in the DFE circuit, based on the measured inter-symbol interference value.

Abstract: A forward Raman amplifier includes a plurality of pumping light sources with different wavelengths and the forward Raman amplifier, according to a fiber type or a zero-dispersion wavelength of the fiber, changes the number of pumping light sources to be emitted, changes a power ratio between the plurality of pumping light sources with the different wavelengths or changes wavelength characteristics of a gain, according to a fiber type.

Abstract: A non-transitory computer-readable recording medium stores a detection program for causing a computer to execute a process. In the process, the computer generates weighted graph structure data for a plurality of pieces of time-series data, with a partial correlation specified based on a matrix calculated by solving an optimization problem about a precision matrix for the plurality of pieces of time-series data, as a weight of a side in a graph; and detects a sign of an anomaly, based on distribution of data points in a predetermined region in a persistence diagram obtained by a persistent homology transformation for the weighted graph structure data.

Abstract: A non-transitory computer-readable recording medium storing an information processing program for causing a computer to execute processing including: selecting a sentence of a second vector similar to a first vector, based on the first vector of a sentence that belongs to a first domain and the second vector of a sentence that belongs to a second domain; determining whether or not the selected sentence is the sentence that belongs to the first domain, by inputting the selected sentence into a classifier trained by using the sentence that belongs to the first domain; and extracting the sentence that belongs to the first domain, from among a plurality of the selected sentences, based on a determination result.

Abstract: A non-transitory computer-readable recording medium stores a machine learning program for causing a computer to execute a process including: for a machine learning model that includes a plurality of preliminarily trained layers, a first output layer formed according to a downstream task and coupled to a final layer of the plurality of layers, and a plurality of second output layers that is coupled to respective outputs of layers other than the final layer of the plurality of layers and has a same configuration as the first output layer, training only the first output layer and the second output layer of the machine learning model using the downstream task; and training the entire machine learning model that includes the first output layer and the second output layer using the downstream task.

Abstract: A computer-readable recording medium stores a sampling program for causing a computer to execute a process. The process includes: performing sampling of a second probability distribution obtained by adding an inverse temperature parameter based on an inverse temperature that is a physical amount to a first probability distribution and training a first variational model based on first data obtained through sampling; performing sampling of a third probability distribution obtained by increasing a value of the inverse temperature parameter, by using the trained first variational model and training a second variational model based on sampled second data; and outputting a sample that corresponds to the first probability distribution, based on a result of the sampling of the third probability distribution by using the trained second variational model.

Abstract: A non-transitory computer-readable recording medium stores a performance monitoring program for causing a computer to execute processing including: in collection of a plurality of pieces of performance information of a processor when a program that operates in the processor is executed, associating and accumulating an operation characteristic of the program for each of the plurality of pieces of performance information; and selecting, in a case where the number of performance monitoring counters (PMCs) included in the processor is smaller than a total number of the plurality of pieces of performance information, performance information that has the operation characteristic of the program most separated from a current value of the operation characteristic of the program from the plurality of pieces of performance information, and allocating the performance information to the PMC.