Abstract: Data of a digital communication account of a first user are parsed for one or more attributes of a series of digital activities including a first digital activity initially scored as non-malicious. Based on the parsed data, a searchable user communication digital profile is generated for the first user. The searchable user communication digital profile is searched based on a second digital activity and receiving a search result associated with the first digital activity. The first digital activity is rescored as malicious based on the search result. A security action associated with the rescored first digital activity is performed.

Abstract: Embodiments of the present application disclose a local map updating method and apparatus, and an electronic device, including: acquiring key-frame point cloud data, where the key-frame point cloud data includes point cloud coordinate points; matching the key-frame point cloud data with a prior map to determine target voxels, in the prior map, corresponding to the point cloud coordinate points; and updating a point cloud probability distribution corresponding to each target voxel according to a first map coordinate point and a second map coordinate point included in each target voxel to obtain a target map, where the first map coordinate point is obtained by converting the point cloud coordinate point corresponding to the target voxel, and the second map coordinate point is a coordinate point included in the target voxel in the prior map.

Abstract: The present disclosure provides a power distribution matrix circuit including N charging modules configured to output charging powers, N charging interfaces configured to receive the charging power that is output, and charge an energy storage unit; a plurality of groups of controlled switches connected between the charging module and the charging interface and configured to switch on or switch off the charging interface and the charging module; an M-th module connected in parallel with a first interface, a second interface until to an M-th interface through M groups of controlled switches, respectively; each group of controlled switches connected to one charging interface; the plurality of groups of controlled switches are switched on or switched off according to power distribution strategies, so that the charging powers output by the plurality of charging interfaces have a plurality of different combinations to obtain variety of charging powers.

Abstract: A polyamide molding composition is provided, including the following components in parts by weight: a PAXC/YC resin in 40 parts to 75 parts, a white pigment in 30 parts to 60 parts, and a dispersing agent in parts by weight that are 1.5% to 5% of the parts by weight of the white pigment; based on a molar percentage of the PAXC/YC, the PAXC/YC resin includes 60 mol % to 100 mol % of an XC unit and 0 mol % to 40 mol % of a YC unit; the XC unit consists of a 1,4-cyclohexanedicarboxylic acid unit and a diamine unit; the YC unit consists of a 1,4-cyclohexanedicarboxylic acid unit and a diamine unit.

Abstract: Computer implemented methods, systems, and computer program products include program code executing on a processor(s) identifies a query with low performance. The program code generates a small data environment for use in optimizing the query. The program code identifies table(s) and field(s) related to the query with low performance. The program code samples a portion of each table of the one or more tables based on, for each table, parameters of the one or more fields in each table, where the portion sampled comprises records from each table with common data traits to a whole of each table. The program code generates a small data environment comprising the portion of each table. The program code performance tests an optimized version of the query by executing it on the small data environment.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may identify, using a reliability sequence associated with a plurality of modulation orders and a subblock allocation sequence associated with a single modulation order of the plurality of modulation orders, an allocation of one or more information bits among one or more polar channel subblocks. The wireless communication device may transmit, in accordance with the single modulation order, the one or more information bits using the allocation of the one or more information bits among the one or more polar channel subblocks. Numerous other aspects are described.

Abstract: This application provides a communication method and apparatus. In the method, a first symbol set is introduced into a protocol data unit, to provide sufficient switching time for a Wi-Fi device to switch from a first running mode to a second running mode. This ensures data receiving performance of the Wi-Fi device. This application is applied to a wireless local area network system that supports 802.11 series protocols such as a next-generation Wi-Fi protocol of IEEE 802.11ax like 802.11be, Wi-Fi 7, or an extremely high throughput (EHT), a next-generation protocol of 802.11be like Wi-Fi 8, and Wi-Fi AI; and is alternatively applied to a UWB-based wireless personal area network system, a sensing system, or the like.

Abstract: A powered chair comprises a chair framework, which includes a pair of oppositely disposed armrests, a chair seat frame which is fixedly connected to the pair of armrests, a footrest, a backrest, a first linear actuator mounted upon the pair of armrests and operatively connected to the footrest, and a second linear actuator mounted upon the armrests and operatively connected to the backrest. When the first and second linear actuators are actuated, they can respectfully actuate or move the footrest and backrest, however, in view of the fact that the first and second linear actuators are not operatively connected to the chair seat frame, and in view of the additional fact that the chair seat frame is fixedly mounted upon the pair of armrests, the chair seat frame will remain stationary despite movements of the footrest and backrest, to any one of their multiple positions, as a result of the actuation of the first and second linear actuators.

Abstract: Privacy-preserving decision trees may be generated using secure multiparty computation and differential privacy. A decision tree generation protocol may determine class partitions and frequencies from a data set, determine a stopping condition is satisfied for determining the plurality of class partitions and the plurality of frequencies, determine a majority class for the data set, based on the plurality of class partitions and the frequencies, determine respective quality scores for the plurality of class partitions based on respective attributes for the plurality of class partitions, select an attribute of the respective attributes according to the respective quality scores, and partition the data set recursively to build a plurality of sub-trees according to an encoding determined for the selected attribute may be partitioned, in some embodiments.

Abstract: Embodiments of the disclosure provide a method, an apparatus, a device, and a readable medium for network simulation. The method includes: running a simulation network corresponding to a backbone network and a data center network in a simulation test environment, where the simulation network includes simulation nodes corresponding to a full set of devices in the backbone network and simulation nodes corresponding to a part of devices in the data center network, and the part of devices include a full set of core devices in a core-level network of the data center network and a part of basic devices sampled from a basic-level network; receiving a test request for the data center network, where the test request includes change command for one or more devices; adjusting the simulation network based on the test request; and performing network simulation on the adjusted simulation network in the network simulation environment.

Abstract: Provided in the disclosure are a method, an apparatus, a device, and a storage medium for object detection. The method includes: extracting, by using an object detection model, a group of visual feature representations of a target image, the group of visual feature representations including respective visual feature representations of at least one object area in the target image; and generating, by using a language model, a group of text sequences based on the group of visual feature representations, each text sequence indicating at least one category to which an object in an object area corresponding to the visual feature representation belongs.

Abstract: A system and method that takes as input streamed and real-time data from the electric vehicle, from the charging station, from vehicle routes and scheduling systems, weather, traffic, and terrain from appropriate data streams, and uses Artificial Intelligence software using Machine Learning Technology on the Internet Cloud to manage electric vehicle charging, dispatch operations, and yard management for electric fleets is provided which combines data-driven decision making, deep learning, optimization, and statistical methods.

Abstract: The present disclosure provides methods, apparatuses, and computer-readable mediums for image processing. In some embodiments, a method of image processing includes acquiring, from a user, a first image. The method further includes removing, using an image de-filter network, a filter effect applied to the first image to generate a second image. The method further includes obtaining, based on the first image and the second image, an image filter corresponding to the filter effect. The method further includes rendering a third image using the obtained image filter to output a fourth image.

Abstract: A device and a method for recovering by-product oxygen from water-electrolysis hydrogen production using a low-temperature method are provided, solving the waste problem of by-product oxygen in the green water-electrolysis hydrogen production system. The device according to the present disclosure comprises an oxygen clarifying system, a pressurizing and heat exchanging system, and a circulating gas compression and expansion refrigeration system. The recovering method according to the present disclosure comprises the following steps: first clarifying and purifying the by-product oxygen from water-electrolysis hydrogen production is to remove hydrogen, carbon monoxide, carbon dioxide, water and other impurities in the oxygen; and then, liquefying, pressurizing and heat exchanging the pure oxygen to obtain the product oxygen and liquid oxygen with required pressure. In the whole process, the cooling capacity is provided by the circulating gas expansion refrigeration system.

Abstract: A recombinant collagen and a preparation method and use thereof, and in particular, a full-length collagen ?1 chain produced through recombinant expression, and a preparation method and use thereof are provided. When a variant (which is denoted as ?1 (I) M1) of a human type I collagen ?1 chain (?1 (I) chain) and a variant (which is denoted as ?1 (II) M6) of a human type II collagen ?1 chain (?1 (II) chain) constructed in the present disclosure are produced through recombinant expression in Pichia pastoris, a main degradation product (a main degradation band) in substantially the same proportion as a target product (a target band) of a full-length ?1 chain occurring during the recombinant expression of native full-length ?1 (I) chain and ?1 (II) chain is eliminated, and a yield of the target product is improved.

Abstract: An information handling system includes a storage and a processor. The storage stores a key file in a partition of the storage. The processor receives a request for the key file and determines whether the key file is located within the partition of the storage. In response to the key file not being within the partition of the storage, the processor retrieves metadata for the key file. The processor determines a physical location for the key file based on the metadata. Based on the physical location, the processor retrieves segments of the key file from the partition of the storage. The processor downloads segments of the key file from a backend server. The processor re-creates the key file based on the segments of the key file retrieved from the partition of the storage and on the segments of the key file downloaded from the backend server.

Abstract: A mechanical-electrical-hydraulic composite transmission device and a control method thereof are provided. The device includes an input shaft assembly, a power-split assembly, a hydraulic transmission assembly, an electrical variable transmission assembly, a mechanical transmission assembly, a power-convergence assembly, and an output shaft. Three types of transmission modes including single transmission modes, power-split composite transmission modes, and power-convergence composite transmission modes are implemented by controlling engagement and disengagement of clutches and a brake. Free switching between various transmission modes is realized, the requirements of engineering machinery for a transmission device with multiple modes in different working conditions are satisfied, the engine power utilization is improved, and the fuel economy is increased. The shift impact is effectively reduced and the speed ratio adjustment range is expanded.

Abstract: Disclosed embodiments receive an event stream from a remote capture agent. The event stream includes timestamped event data generated by the remote capture agent based on network traffic monitored by the remote capture agent. A graphical user interface (GUI) is caused to be displayed for obtaining configuration information for configuring the generation of time-series event data from network packets captured by the remote capture agent. A set of statistics is generated from the time-series event data, and the configuration information is updated to trigger subsequent storage and processing of at least a portion of the event stream by one or more components on a network based on one or more of the statistics, a storage limit associated with the time-series event data, an index volume of the event stream, a historical trend associated with the statistics, or input through the GUI.

Abstract: A method for positioning tea-bud picking points based on fused thermal images and RGB images is provided and includes: firstly, image pairs of several tea buds are acquired by using an image acquisition device, and are each labeled to obtain a tea-bud object detection database and a tea-bud keypoint detection database; secondly, in order to obtain a trained object detection model and a trained keypoint detection model, the tea-bud object detection database and the tea-bud keypoint detection database are inputted into an object detection model and a keypoint detection model for training, respectively; finally, the trained object detection model and keypoint detection model are used to sequentially process the tea-bud image pairs to obtain tea-bud keypoint positions, and then tea-bud picking point positions are obtained in combination with the tea-bud growth characteristics. The positioning accuracy and efficiency of the tea-bud picking points can be improved.

Abstract: A generalizable neural radiation field reconstruction method based on multi-modal information fusion, including: Step 1, constructing photometric features and geometric features based on unstructured multi-views, and constructing a multi-modal neural encoder by performing incrementally complementary fusion on the photometric features and the geometric features; Step 2, converting the multi-modal neural encoder and raw RGB pixel bodies of the unstructured multi-views into a volume density and radiation brightness; Step 3, sampling light on the basis of the constructed multi-modal neural encoder, aggregating context features of the sampled light based on a transformer network to obtain light context features; and Step 4, decoding, using the light context features, the volume density and the radiation brightness; rendering, based on the decoded volume density and the radiation brightness, to generate a free-view RGB-D image; and guiding dense reconstruction of a low-texture scene by combining photometric supervi