Abstract: The disclosure provides a semi-supervised method and apparatus for public opinion text analysis. The semi-supervised method includes: first acquiring a public opinion data set, and preprocessing the data set; performing a data augmentation algorithm on preprocessed samples to generate data augmented samples; generating category labels for the unlabeled samples in the data set in an unsupervised extraction and clustering manner; calculating similarities of word vector latent semantic spaces and performing linear interpolation operation to generate, according to an operation result, similarity interpolation samples; constructing a final training sample set; adopting a semi-supervised method, inputting the final training sample set into a pre-trained language model to train the model to obtain a classification model; and predicting the test set by using the classification model to obtain a classification result.

Abstract: The pre-checking method and a pre-checking system based on the OLAP pre-calculation model includes: acquiring a target query statement; querying for a model matching the target query statement in preset N query models one by one, and collecting a query log at the same time; performing analysis on the query log, and judging whether a matching model exists among the N query models according to the result of analysis; and, if no matching model exists, determining modification information for modifying the pre-selected model according to the result of analysis, the target query statement, and the data model set by the user. The pre-checking system includes an acquisition module, a query engine, and a query checking module. Whether a matching model exists can be ascertained timely by performing a pre-query in N models in advance. Thus, it is unnecessary to build models and perform query check repeatedly.

Abstract: The present disclosure provides a wireless communication device and a control method thereof. The wireless communication device includes a first communication control module and a second communication control module.

Abstract: The present disclosure provides a wireless charging system and a control method thereof. The control method includes: when the battery pack is in over-discharged state, controlling the power transmitting module to wirelessly transmit first preset power, i.e.

Abstract: Provided are a wireless power transmission apparatus and a control method thereof. The apparatus includes a transmitting unit which includes an inverter circuit, a first compensation circuit, and a transmitting coil; a receiving unit which includes a receiving coil, a second compensation circuit, and a rectifier circuit; a power regulation unit configured to regulate an output signal of the wireless power transmission apparatus; and a control unit configured to: acquire a voltage-and-current phase difference of the transmitting unit, a detection signal, and a power detection value of the wireless power transmission apparatus; control an operating frequency of the inverter circuit according to the voltage-and-current phase difference and a preset phase difference, and generate a power derating signal according to the detection signal, and control, according to the power derating signal, the power detection value and a power reference signal, the power regulation unit to regulate the output signal.

Abstract: The present invention discloses a nucleic acid molecule for encoding a chimeric antigen receptor targeting CD22 and CD19. The chimeric antigen receptor of the present invention can be used for treatment of CD19+ and CD22+ B-cell hematological tumors, as well as combined treatment with CD19 CAR-T cells or CD22 CAR-T cells.

Abstract: A method includes: A first network device obtains first link layer topology information corresponding to a first network slice; the first network device obtains second link layer topology information corresponding to a second network slice; the first network device determines, based on the first link layer topology information and the second link layer topology information, that a link layer topology of the second network slice is included in a link layer topology of the first network slice; the first network device receives network layer topology information that is of the first network slice and that is sent by a second network device; and the first network device determines network layer topology information of the second network slice based on the second link layer topology information and the network layer topology information of the first network slice.

Abstract: 1H-pyrazolo[4,3-g]isoquinoline and 1H-pyrazolo[4,3-g]quinoline derivatives as alpha-1-antitrypsin modulators for treating alpha-1-antitrypsin deficiency (AATD).

Abstract: Disclosed are a labeling method and apparatus for named entity recognition of a legal instrument. The method includes steps: step S1: acquiring a legal text, and transforming the legal text into an index table; step S2: outputting a sentence feature encoding result; step S3: performing training and prediction; step S4: obtaining a set; step S5: obtaining a multi-head score transfer matrix; step S6: obtaining a score transfer matrix corresponding to the legal text; step S7: determining a recognized nested entity; and S8: constructing an entity labeling template by using the recognized nested entity. According to the present disclosure, a user tries to complete recognition of nested entity labeling by changing an input of the BERT model, and a multi-head selection matrix labeling thought of the present disclosure is used to relieve the difficulty in recognizing a long text and a nested entity in an NER task to a larger extent.

Abstract: The disclosure discloses a method for detecting an intrusion in parallel based on an unbalanced data Deep Belief Network, which reads an unbalanced data set DS; under-samples the unbalanced data set using the improved NCR algorithm to reduce the ratio of the majority type samples and make the data distribution of the data set balanced; the improved differential evolution algorithm is used on the distributed memory computing platform Spark to optimize the parameters of the deep belief network model to obtain the optimal model parameters; extract the feature of data of the data set, and then classify the intrusion detection by the weighted nuclear extreme learning machine, and finally train multiple weighted nuclear extreme learning machines of different structures in parallel by multithreading as the base classifier, and establish a multi-classifier intrusion detection model based on adaptive weighted voting for detecting the intrusion in parallel.

Abstract: A method, a system, and a computer program product for detecting fake news based on a multi-task learning model. In an embodiment, a multi-task learning model is used to perform joint training on authenticity detection and topic classification of news to be detected, and authenticity of the news to be detected and a topic of the news to be detected are returned simultaneously. Through the implementation of the embodiment of the present invention, the authenticity of the news and the topic of the news can be detected simultaneously, and the accuracy of fake news detection and topic classification is improved.

Abstract: The present disclosure provides a multimodal fine-grained mixing method and system, a device, and a storage medium. The method includes: extracting data features from multimodal graphic and textual data, and obtaining each composition of the data features, the data features including a visual regional feature and a text word feature; performing fine-grained classification on modal information of each composition of the data features, to obtain classification results; and performing inter-modal and intra-modal information fusion on each composition according to the classification results, to obtain a fusion feature. The method enables a multimodal model to utilize a complementary characteristic of the multimodal data, with no influence by irrelevant information.

Abstract: The present disclosure provides an anomaly detection method and apparatus for multi-type data. According to the anomaly detection method for multi-type data, an adversarial learning network is trained, so that a generator in the adversarial learning network fits a distribution of a normal training sample and learns a potential mode of the normal training sample, to obtain an updated adversarial learning network, an anomaly evaluation function in the updated adversarial learning network is constructed according to a reconstruction error generated during training, and the updated adversarial learning network is constructed into an anomaly detection model, to perform anomaly detection on inputted detection data by the anomaly detection model, to obtain an anomaly detection result. A mode classifier is introduced to effectively resolve difficult anomaly detection when a distribution of detected data is similar to that of normal data, further improving the accuracy of anomaly detection.

Abstract: The present disclosure provides an anomaly detection method and apparatus for multi-type data. According to the anomaly detection method for multi-type data, an adversarial learning network is trained, so that a generator in the adversarial learning network fits a distribution of a normal training sample and learns a potential mode of the normal training sample, to obtain an updated adversarial learning network, an anomaly evaluation function in the updated adversarial learning network is constructed according to a reconstruction error generated during training, and the updated adversarial learning network is constructed into an anomaly detection model, to perform anomaly detection on inputted detection data by the anomaly detection model, to obtain an anomaly detection result. A mode classifier is introduced to effectively resolve difficult anomaly detection when a distribution of detected data is similar to that of normal data, further improving the accuracy of anomaly detection.

Abstract: The present disclosure provides a multimodal fine-grained mixing method and system, a device, and a storage medium. The method includes: extracting data features from multimodal graphic and textual data, and obtaining each composition of the data features, the data features including a visual regional feature and a text word feature; performing fine-grained classification on modal information of each composition of the data features, to obtain classification results; and performing inter-modal and intra-modal information fusion on each composition according to the classification results, to obtain a fusion feature. The method enables a multimodal model to utilize a complementary characteristic of the multimodal data, with no influence by irrelevant information.