Abstract: A processor operating a physical machine and a virtual machine is shown. The processor includes a virtualization hardware accelerator, which pre-caches whole instruction content, read from a virtual machine memory, of a target trigger instruction in a virtual machine control data structure, wherein the target trigger instruction is operative to trigger a virtual machine exit event and needs instruction emulation on the physical machine. A virtual machine hypervisor run by the physical machine in software obtains the instruction content of the target trigger instruction from the virtual machine control data structure, and performs instruction decoding and instruction emulation for the target trigger instruction based on the obtained instruction content.

Abstract: A method and an apparatus for determining hash algorithm information for load balancing, and a storage medium are provided, to determine, based on first hash algorithm information of a first communication device and information about a first quantity of first ports of the first communication device, second hash algorithm information that is used for load balancing and that is of a second communication device. In this application, a load balancing device receives a first message, where the first message includes the first hash algorithm information of the load balancing mode of the first communication device and the information about the first quantity of first ports of the first communication device. The load balancing device determines the second hash algorithm information of the load balancing mode of the second communication device based on the first hash algorithm information and the information about the first quantity.

Abstract: Provided is a method for constructing a backtracking analysis model based on an attack chain, including: a kernel-layer security agent collects process, file, and network behavior features in a hardware-isolated environment to generate event tuples; a tensor network pipeline performs three-dimensional decoupling mapping of the tuples into behavior fingerprint vectors, orthogonalized noise features, and asymmetric adjacency tensors, and compresses them into spatio-temporal topological tensor block; a reinforcement learning controller constructs a directed acyclic graph based on the tensor block, calculates connectivity loss, and outputs event risk scores; a dynamic routing engine constructs a decision tree model based on risk markers, burst frequency, and correlation entropy to implement three-level shunting, and a multi-simulation system generates anti-interference index; when the deviation between a physical trajectory and a digital model exceeds a tolerance, a closed-loop feedback weight coefficient is used

Abstract: According to embodiments of the present disclosure, there is provided a solution for reading order detection in a document. In the solution, a computer-implemented method includes: determining a text sequence and layout information presented in a document, the text sequence comprising a plurality of text elements, the layout information indicating a spatial layout of the plurality of text elements in the document; generating a plurality of semantic feature representations corresponding to the plurality of text elements based at least on the text sequence and the layout information; and determining a reading order of the plurality of text elements in the document based on the plurality of semantic feature representations. According to the solution, the introduction of the layout information can better characterize a spatial layout manner of the text elements in a specific document, thereby determining the reading order more effectively and accurately.

Abstract: A building photovoltaic data interpolation method based on WGAN and whale optimization algorithm is provided, which includes: obtaining historical building roof photovoltaic output data, perform preprocessing on the historical building roof photovoltaic output data, and uses CNN to build a GAN; describing missing value position of preprocessed data by using a binary mask matrix, and setting Wasserstein distance to define a loss function of a GAN generator and a discriminator; taking the loss function as a fitness function, optimizing an input to the GAN generator through a whale optimization algorithm and obtaining optimized candidate samples; fusing the optimized candidate samples and a photovoltaic data processed by the binary mask matrix to obtain completed reconstructed samples, so as to improve the complementary accuracy, optimize the random noise, remove the unfavorable influencing components, and provide services for building rooftop PV data interpolation more accurately.

Abstract: An obstacle avoidance and detection device for a vehicle body of a four-way shuttle and a pallet, and a working method thereof are provided. The device includes a four-way shuttle, pallets with goods, and Y direction tracks and an X direction track that are interlaced horizontally and longitudinally. The four-way shuttle can operate in track directions of the Y direction tracks and the X direction track. Shelf supports are arranged on two sides of the Y direction tracks. A vehicle body of the four-way shuttle is provided with distance sensors on front and rear sides in both an X direction and a Y direction. A jacking structure of the four-way shuttle is provided with distance detection sensors on front and rear sides in the Y direction. Collisions between the four-way shuttle and an obstacle or the pallets are avoided.

Abstract: Methods, systems, and devices for techniques for logical-to-physical information compression are described. In some cases, a memory system may compress a logical-to-physical (L2P) mapping to expand the quantity of physical addresses mapped by the L2P mapping. For example, if a set of consecutive entries of an uncompressed L2P mapping includes consecutive physical addresses, the memory system may compress the consecutive entries into a single entry which includes a starting physical address of the consecutive physical addresses. Additionally, the memory system may include an indication of a starting logical address corresponding to the starting physical address in the compressed entry. To identify a physical address within the compressed entry, the memory system may determine an offset between a logical address corresponding to the physical address and the starting physical address using the indication, and may apply the offset to the starting physical address to determine the physical address.

Abstract: The present invention relates to a Lactobacillus reuteri, and use, composition, drug and food thereof. The Lactobacillus reuteri has an accession number of CGMCC No. 21577, can improve intestinal flora disorder, reduce intestinal injury, improve intestinal permeability and promote immune system recovery, and has effects of treating or preventing allergic reactions of nervous system-related diseases such as autism, hyperactivity, tics, depression, etc.

Abstract: A computer-implemented method for optimizing query execution in a data virtualization system is provided. A processor set receives a query using the data virtualization system. The processor set determines capabilities for the data source to identify a portion of functions and a portion of query operations from the query to be delegated for remote execution on the data source. The processor set splits functions and query operations in the query for remote execution and local execution based on the portion of functions and the portion of query operations from the query. The processor set receives results from the data source from remote execution of the query using the data virtualization system. The processor set merges the results from the data source with second result from local execution of the query on the data virtualization system to generate a merged result. The processor set returns the merged result to the application.

Abstract: The present invention relates to a Lactobacillus reuteri, and use, composition, drug and food thereof. The Lactobacillus reuteri has an accession number of CGMCC No. 21577, can improve intestinal flora disorder, reduce intestinal injury, improve intestinal permeability and promote immune system recovery, and has effects of treating or preventing allergic reactions of nervous system-related diseases such as autism, hyperactivity, tics, depression, etc.

Abstract: Methods, systems, and devices for improved data flush for force unit access (FUA) commands are described. The described techniques provide for a memory system to determine whether to consolidate commands and flush data in accordance with the commands. In some examples, the memory system may evaluate whether a quantity of FUA write commands satisfies a threshold. If the quantity of FUA write commands satisfies the threshold, the memory system may write and flush data associated with the quantity of FUA write commands to a plurality of dies of a memory array of the memory system in accordance with a sequential write mode, a jump write mode, or both. If the quantity of FUA write commands does not satisfy the threshold, the memory system may evaluate other quantities of commands to determine whether to flush the data. The memory system may conditionally flush the data to execute the commands more efficiently.

Abstract: The present disclosure provides a laser projection device, including a light source system, an optical engine system, a projection lens, and a heat dissipation device; wherein the light source system is adjacent to and connected to the heat dissipation device, the light source system is configured to provide a laser beam to the optical engine system, and the heat dissipation device is configured to dissipate heat from the light source system; and the optical engine system and the projection lens are disposed on one side of the light source system and stacked along a first direction, the optical engine system is configured to modulate the laser beam provided by the light source system into an image beam and then emit the image beam to the projection lens, and the projection lens is configured to image the image beam to an image and then emit the image to a projection screen.

Abstract: The disclosure relates to the technical field of cloud resource pools, and in particular to a cloud security source pool system based on distributed architecture. The system includes: a central control unit, configured for building a cloud resource pool according to security device parameters, where the cloud resource pool includes multiple virtual security machines; and a security monitoring unit, configured for setting multiple request categories according to network structure parameters. The security monitoring unit is further configured for constructing a security sub-model of each of the request categories. Based on the distributed architecture and virtualization technology, each security device is built as a virtual security machine, and a cloud resource pool is built according to all virtual security machines, so as to realize the dynamic call of all security resources, and at the same time, multiple request categories are built based on historical parameters.

Abstract: According to implementations of the subject matter described herein, there is provided a solution for semantic representation of text in a document. In this solution, textual information comprising a sequence of text elements and layout information of the text element are determined from a document. The layout information indicates a spatial arrangement of the plurality of text elements presented within the document. Based at least in part on the plurality of text elements and the layout information, respective semantic feature representations of the plurality of text elements are generated. By jointly using both the textual information and the layout information, rich semantics of the text elements in the document can be effectively captured in the feature representations.

Abstract: A foldable adjustable photovoltaic module, comprising angle adjusting device, comprising adjusting component and basic photovoltaic panel on the adjusting component; and folding device, comprising first and second folding components, is provided. One end of the basic photovoltaic panel is installed with protective photovoltaic panel, and the first folding component is between the basic and the protective photovoltaic panels. Both sides of the basic and the protective photovoltaic panels are provided with side photovoltaic panels, and the second folding component connects the side photovoltaic panels, the basic photovoltaic panel and the protective photovoltaic panel. The module can control multiple photovoltaic panels for angle adjustment, so as to conveniently obtain the optimal illumination angle.

Abstract: There is provided a solution for semantic representation of text in a document. In this solution, textual information comprising a sequence of text elements (220) and layout information (230) of the text element are determined from a document. The layout information (230) indicates a spatial arrangement of the plurality of text elements (220) presented within the document. Based at least in part on the plurality of text elements (220) and the layout information (230), respective semantic feature representations (180) of the plurality of text elements (220) are generated. By jointly using both the textual information and the layout information (230), rich semantics of the text elements (220) in the document can be effectively captured in the feature representations.

Abstract: Computer implemented methods, systems, and computer program products include program code executing on a processor(s) that obtain a query comprising a JOIN statement that references two or more tables in the one or more remote databases. The program code determines, for each table of the two or more tables, whether executing the JOIN statement utilizes system resources above a pre-defined allotment. Based on determining, for at least one table the program code generates a filter for the at least one table based on an intersection between predicates in the query. The program code applies the filer to the at least one table to fetch results for the query and exclude unrelated data from the fetching.

Abstract: A model prediction-based control method for grid forming of multi-port autonomous reconfigurable solar plants includes: estimating and predicting system parameters by establishing a multi-port autonomous reconfigurable solar plant and a dynamic model of a synchronous generator model; converting an objective function into an unconstrained optimization problem, using Newton's method to achieve minimum computational burden within each calculation time step to find a solution in real time for obtaining an optimal angular frequency; based on results of the optimal angular frequency, updating an output voltage and a dq-axis current of the multi-port autonomous reconfigurable solar plant, and changing an arm modulation index of the plant, thereby realizing the plant's inertia and primary frequency modulation support. The model prediction-based control method provided by the present invention achieves rapid prediction during operation and improves frequency response, rapidity and system stability.

Abstract: A security protection method and device based on industrial Internet is provided. The disclosure relates to the technical field of network security and realize the isolation between the Internet and the industrial Internet platform intranet by deploying the exit firewall, and there is no restriction from the industrial Internet platform intranet to the Internet, and only necessary ports are opened from the Internet to the industrial Internet platform intranet. By deploying a regional firewall, isolation between the intranet core server and each of the secondary nodes is realized. The regional firewall is deployed on the wide area network router, and the second access policy of secondary nodes and intranet core servers is preset. After the second access policy is formulated, only the IP and service ports of specific hosts are opened, and all other accesses are prohibited.

Abstract: The present invention relates to a rare earth halide scintillating material. The material has a general chemical formula La1-xCexBr3+y, wherein 0.001x1, and 0.0001y0.1. The rare earth halide scintillating material involved in the present invention has excellent scintillation properties of high light output, high energy resolution, and fast decay.