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132 results about "Knowledge learning" patented technology

Intelligent question-answering system training method based on machine learning

The invention discloses an intelligent question-answering system training method based on machine learning, and the method comprises the steps: optimizing a knowledge learning sample to obtain optimized knowledge, determining a knowledge weight, constructing an industry knowledge base, fusing multi-modal question content to obtain fused question content, and carrying out the training of the intelligent question-answering system. Obtaining industry description information and a user portrait according to the fused question content and the user information, and inputting the fused question content, the industry description information and the user portrait into a question and answer reinforcement learning model to obtain answer content, and obtaining a first reward signal, a second reward signal and a dynamic reward weight according to the answer content and the user question response information, adjusting the question and answer reinforcement learning model, inputting the multi-modal question content into the adjusted question and answer reinforcement learning model to obtain optimized answer content, and updating the industry knowledge base by adopting a user interaction log and the knowledge weight. According to the method, intelligent question and answer system training can be accurately and efficiently carried out, and meanwhile powerful support is provided for intelligent question and answer services of all industries.
Owner:CHINA NAT INST OF STANDARDIZATION

Knowledge distillation method and device based on AI large model and electronic equipment

The invention provides a distillation method and device based on AI large model knowledge and electronic equipment, and belongs to the technical field of artificial intelligence, in the method, a dynamic adjustment mechanism is adopted for the temperature, and along with the increase of a training period, the preset initial temperature corresponding to the training period is gradually reduced; besides, in each training period, the preset initial temperature is finely adjusted based on the distillation loss, so that the target temperature corresponding to each training sample is obtained, namely the temperature most suitable for the current distillation effect. The target distillation loss and the student loss obtained by recalculating based on the target temperature are more scientific, so that the total loss for updating the weight parameters of the student model is more accurate and robust, the student model is prompted to learn the knowledge of the teacher model more effectively, and a scientific and efficient learning process is learned. The finally obtained student model has good generalization ability, and the robustness of the model is significantly enhanced, so that the overall effect of knowledge distillation is significantly improved.
Owner:BEISEN CLOUD COMPUTING CO LTD

Robot social adaptive navigation knowledge learning and migration method and system

The invention provides a robot social adaptive navigation knowledge learning and migration method and system, and relates to the field of mobile robot navigation. Aiming at the problems that an existing path planner lacks time sequence memory and neglects pedestrian social intent, a man-machine co-fusion scene is constructed, a training set containing an expert demonstration path is made, and a recursive generation model is input; designing a recurrent neural network embedded RRT, generating an RNN-RRT planner, and fusing historical information and pedestrian convergence probability in training; new scene loading training parameters are finely adjusted to realize knowledge migration, loss convergence or output RNN final parameters after reaching a preset round number. According to the method, the path anthropomorphism and generalization ability are improved, and the method is suitable for complex human-computer interaction scenes.
Owner:SUZHOU UNIV

Software process arrangement system and method based on large model

The invention discloses a software process arrangement system and method based on a large model, and particularly relates to the technical field of software process arrangement. The intelligent process design module is used for realizing intelligent and low-threshold process design and optimization through natural language understanding and a visualization technology; the Agent collaborative execution module is used for dynamically distributing tasks, monitoring states and coordinating a plurality of Agents to efficiently complete process execution; and the knowledge learning enhancement module is used for constructing a domain knowledge system and providing intelligent support for process decision and optimization. According to the method, the demand described by a natural language of a user is converted into a structured process definition through the intelligent process design module, rapid design is carried out by utilizing a process pattern library and a visual editing tool, and meanwhile, compliance check and optimization suggestion are carried out, so that compliance and high efficiency of process design are ensured, and the process design efficiency is improved. And the Agent collaborative execution module dynamically allocates tasks to appropriate Agents according to process requirements, monitors the execution state in real time, and performs coordinated processing in case of abnormality to ensure efficient execution of the process.
Owner:SUZHOU JIDIAN XINGCHEN TECHNOLOGY CO LTD

Enterprise innovation risk assessment system based on virtual-real fusion common knowledge learning

The invention discloses an enterprise innovation risk assessment system based on virtual-real fusion common knowledge learning, and the system comprises a data collection and preprocessing module which is used for collecting and preprocessing a real operation standardized data set; the simulation environment construction and disturbance generation module is used for constructing a virtual simulation environment and generating a virtual data set; the semantic alignment and fusion module is used for performing semantic alignment and weighted fusion to generate a virtual-real fusion data set; the risk relation graph construction module is used for constructing an enterprise innovation risk relation graph; the multi-order structure embedding module is used for executing multi-order graph structure embedding; the common knowledge migration module is used for extracting a common feature structure and executing migration adaptation; and the risk assessment module is used for carrying out risk assessment. According to the method, enterprise atlas and multi-semantic structure embedding are fused, cross-enterprise risk migration assessment is achieved, and the method has the advantages of being high in expression ability, high in adaptability and accurate in assessment.
Owner:SHENZHEN XINHUANYU NETWORK TECH CO LTD +1

Cross-border financial compliance inspection intelligent engine based on large model

The invention relates to the technical field of cross-border finance, and discloses a cross-border finance compliance examination intelligent engine based on a large model, which comprises a data acquisition layer, a data preprocessing layer, a large model core processing layer, a compliance examination decision-making layer and a user interaction layer. According to the cross-border financial compliance inspection intelligent engine based on the large model, the strong natural language processing ability and knowledge learning ability of the large model are utilized, unstructured text information can be effectively processed, fast learning is achieved, the engine adapts to constantly changing supervision policies, the large model further has the autonomous reasoning and analysis ability, and the large model can be widely used. Complex cross-border financial businesses can be comprehensively judged, and the defects of the traditional technology in the aspects of examination efficiency, accuracy and adaptability are overcome.
Owner:天津仁爱学院

Intelligent curriculum recommendation method and device based on knowledge graph and storage medium

The invention provides an intelligent curriculum recommendation method and device based on a knowledge graph and a storage medium, and the method comprises the steps: constructing a multi-dimensional knowledge graph which comprises a curriculum skeleton knowledge sub-graph, a user capability sub-graph and a scene demand sub-graph; generating a knowledge dependence matrix based on the course skeleton knowledge sub-graph, and generating user learning sequence features based on historical learning data of the user; acquiring a learning target, a learning time constraint and a learning scene input by a user, and determining a first knowledge learning path and task sequence set and a second knowledge learning path and task sequence set of the user; and based on the user learning sequence features, the course skeleton knowledge sub-atlas, the user capability sub-atlas and the scene demand sub-atlas, using a fusion model to perform fusion processing on the first and second knowledge learning paths and the task sequence set to obtain a course meeting the user demand. The accuracy of course recommendation is improved.
Owner:BEIJING YIYAN TECH CO LTD

Voice and music collaborative generation method and system based on dynamic mixed attention and expert architecture, terminal equipment and medium

The invention discloses a voice and music collaborative generation method and system based on a dynamic mixed attention and expert architecture, terminal equipment and a medium, and relates to the technical field of audio generation. The method comprises the following steps: acquiring multi-modal input containing at least one of audio, text and vision, performing embedding processing on the multi-modal input, and mapping the multi-modal input to a unified space to obtain a fusion sequence; setting a plurality of attention heads, dynamically selecting the attention heads to activate experts through attention head routing gating, and weighting and aggregating calculation results to obtain mixed attention features; generating expert probability distribution through expert set routing gating, dynamically selecting an expert set to activate experts, and calculating task adaptation features; and performing audio generation processing based on the audio language modeling head to obtain a voice or music result. According to the method, collaborative generation of voice and music, dynamic allocation of computing resources, balance of domain-specific and cross-domain general knowledge learning are realized, the problems of task conflict and data imbalance are solved, and the audio generation quality and efficiency are improved.
Owner:HARBIN INSTITUTE OF TECHNOLOGY (SHENZHEN) (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)

Electric power knowledge question-answering method based on knowledge reasoning thinking chain embedded large model and related device

The invention belongs to the technical field of electric power artificial intelligence, and discloses an electric power knowledge question-answering method based on a knowledge reasoning thinking chain embedded large model and a related device. The method comprises the steps of obtaining a power problem text; and inputting the power question text into a pre-trained knowledge reasoning thinking chain embedding large model, and outputting a text answer of the power question. According to the method, a supervised learning and preference optimization mechanism is fused, and collaborative optimization of large-model professional knowledge learning and thinking path modeling is realized by constructing an electric power knowledge question and answer and analyzing a thinking chain data set; the technical problems that an existing large model is weak in knowledge, inconsistent in thinking process and insufficient in generalization ability in power professional text questions and answers are solved.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Children cognition-based content recommendation method and system

The invention is suitable for the technical field of education, and provides a content recommendation method and system based on children cognition, and the method comprises the steps: obtaining historical learning data, carrying out the construction of a knowledge graph based on the historical learning data, and generating a knowledge structure graph; performing vector mapping processing on the plurality of knowledge nodes and the edges connecting the plurality of knowledge nodes by using a graph embedding algorithm to generate a knowledge vector set; according to the knowledge vector set, calculating a semantic association degree among the plurality of knowledge nodes, and if the semantic association degree is greater than a preset threshold value, extracting a key knowledge node from the plurality of knowledge nodes by using a hierarchical clustering algorithm; determining a learning sequence corresponding to the key knowledge nodes according to a preset knowledge learning strategy, and generating a knowledge progressive sequence; generating a target knowledge node sequence based on the knowledge progressive sequence and the historical learning data by using a preset reinforcement learning algorithm; and the target recommendation content is generated according to the target knowledge node sequence and recommended to the user, so that more appropriate learning content can be recommended.
Owner:SHENZHEN BAINSHI SUPPLY CHAIN MANAGEMENT CO LTD

Highway service area traffic flow scheduling method and system based on intelligent algorithm

The invention provides a highway service area traffic flow scheduling method and system based on an intelligent algorithm, and the method effectively utilizes a to-be-learned template set comprising a plurality of template scheduling learning data through a deep knowledge learning algorithm. According to the method, in a target training stage, aiming at each template scheduling learning data, an effective labeling training value and an ineffective labeling global training value of a corresponding training traffic flow scheduling network relative to a traffic flow scheduling network to be called are dynamically evaluated, so that the pertinence and the high efficiency of a training process are ensured. And through continuous optimization learning, when the training error does not continue to decrease any more, deep knowledge learning is terminated, and finally, a target traffic flow scheduling network capable of accurately determining target traffic flow dynamic data scheduling knowledge description is obtained. According to the method, the intelligent level of traffic flow scheduling is improved, the traffic flow scheduling effect of the highway service area is optimized, the traffic jam of the service area is relieved, and the operation efficiency and the user experience of the service area are improved.
Owner:四川高速公路建设开发集团有限公司

Large language model-based post matching scene query understanding method

The invention relates to a large language model-based job matching scene query understanding method. The method comprises the following steps of: receiving a job name, a job description and job requirement information input by a user; performing noise filtering and coding normalization processing on the input post information to generate a standardized text; geography and organization entities are extracted through a named entity recognition model, cue words are finely adjusted through a large language model, structural constraint conditions are formed by technical recognition educational background, working years and ages, and a condition analysis template is dynamically generated. And finally, through a large language model, verifying the accuracy of the keyword items, and allocating weight coefficients for the lexical items. Therefore, the efficiency is remarkably improved. Through automatic semantic analysis of a large language model, manual deep intervention of professional knowledge learning of posts is not needed, and core information such as post responsibilities and skill requirements can be rapidly extracted and converted into semantic retrieval features.
Owner:CREE DIGITAL TECH (SUZHOU) CO LTD

Model training method and device, equipment and storage medium

The invention relates to the technical field of data processing, in particular to a model training method and device, equipment and a storage medium. The method comprises the following steps: acquiring first input data and first output data of a first model; inputting the first input data as second sample input data into a second model, and obtaining second output data output by the second model; obtaining a first loss value based on the first output data and the second output data, and obtaining a second loss value based on the second output data and the target answer data; and training the second model based on the weighted sum of the first loss value and the second loss value to obtain a trained target second model. According to the invention, one-sided knowledge learning of the second model in the process of distilling knowledge from the first model to the second model can be avoided, the influence of error noise of the first model is avoided, and the training effect of the second model is improved.
Owner:SF TECH CO LTD

Scene perspective simulation platform and practical training method thereof

The invention relates to the technical field of simulation practical training, in particular to a scene perspective simulation platform and a practical training method thereof, and the simulation platform comprises a theory and model simulation module and a practical training operation training module. The theory and model simulation module comprises a theoretical knowledge learning sub-module for outputting theoretical knowledge points; the model operation sub-module is used for displaying and executing splitting, combining and restoring operations of an operation user on the three-dimensional equipment model; the simulation analysis sub-module is used for identifying and recording operation behaviors of the operation user; the practical training operation training module comprises a practical training knowledge learning sub-module used for outputting practical training knowledge points; the practical training operation sub-module is used for realizing state transition of the three-dimensional equipment model according to the first practical training instruction; and the practical training recording sub-module is used for recording all first practical training instructions and operation results of the operation user. Through the theory and model simulation module and the practical operation training module, theory teaching and practical operation training can be effectively linked.
Owner:SICHUAN HUANENG TAIPING YI HYDROPOWER CO LTD

Knowledge exchange method based on first learning and second forgetting and application thereof

The invention discloses a knowledge exchange method based on learning before forgetting and application thereof, and relates to the technical field of machine learning and knowledge management, a pre-trained deep learning model is selected as a basic model, and a retention set, a forgetting set and a learning set are constructed; the basic model carries out new knowledge learning on the learning set, and the training target of the model in the stage is that the accuracy of the learning set is close to 1, and meanwhile the accuracy of the reserved set is kept unchanged; after the basic model completes new knowledge learning, knowledge irrelevant to a new task is forgotten through a selective forgetting mechanism, and the training target of the model at the stage is that the accuracy rate of a forgetting set is close to 0, and meanwhile the accuracy rates of a reserved set and a learning set are kept unchanged. According to the method, continuous learning and machine forgetting are integrated together, so that the problem of contradiction between useless knowledge forgetting and new knowledge learning when a deep learning model processes knowledge updating of a pre-training model is solved. According to the knowledge exchange method based on first learning and then forgetting, the specified knowledge can be selectively forgotten while efficient learning of new knowledge is ensured, so that more refined knowledge regulation and control are realized, and the adaptability and the stability of the model are improved.
Owner:HEFEI UNIV OF TECH

Unmanned aerial vehicle flight control system data anomaly detection method based on CNN-KFU multiple regression model

The invention relates to the technical field of unmanned aerial vehicle sensor anomaly detection methods, and particularly discloses an unmanned aerial vehicle flight control system data anomaly detection method based on a CNN-KFU multiple regression model. In unmanned aerial vehicle flight data, correlation of different degrees often exists among data, and firstly, a correlation analysis method is utilized to select a data set having relatively high correlation with target data; secondly, a multiple regression neural network model, namely CNN-KFU, for fine-grained spatial-temporal correlation analysis is designed based on 1D CNN and KFU, the CNN-KFU is used as a feature extractor of data, correlation of flight control data in time dimension and spatial dimension is fully learned, and the model is enabled to better understand data features. And finally, calculating the deviation between the regression residual error of the test data and a threshold value to realize abnormity judgment. The objective of the invention is to solve the problem that in the prior art, parameter selection is lack of effectiveness, and time-space relationship knowledge learning is insufficient, so that the anomaly detection capability is low in a complex flight scene.
Owner:GUIZHOU UNIV

Access Processing Method and System for Integrating Structured and Unstructured Data

An embodiment of the present application provides a method and system for accessing and processing integrated structured and unstructured data. By loading each template access session data into multiple deep learning units respectively, a confidence sequence of sensitive operation labels obtained for each template access session data under multiple deep learning units is generated. Based on the confidence sequence of sensitive operation labels of each template access session data and the sensitive operation annotation data corresponding to each template access session data, a sensitive recognition error value corresponding to each template access session data is determined. After selecting target template access session data from multiple template access session data, weight parameters of multiple deep learning units are optimized, and combined with multiple deep learning units to jointly perform sensitive recognition learning of access operations. Compared with using a single deep learning unit for knowledge learning, the deep learning effect can be significantly improved, and the accuracy of subsequent sensitive operation recognition can be improved.
Owner:GUANGDONG MAISHI INTERNET TECH CO LTD

Ai-assisted drift detector to optimize a diagnosis process

The present disclosure relates to a drift detector to detect a drift in features of a diagnosis, the drift detector comprising a first collecting device configured to collect relevant explanations and raw data, a first database compiling the relevant explanations and raw data collected by the first collecting device, a second collecting device configured to collect relevant available expert knowledge from reliable sources, a second database compiling the relevant available expert knowledge from reliable sources collected by the second collecting device, a learned feature extractor configured to group initial data of the second database into a characteristic feature pattern for different diagnoses and to subsequently group the data from the first database into first feature patterns by diagnosis and from the second database into second feature patterns by diagnosis, a comparator configured to compare the empirical distributions of each of the grouped feature patterns in the databases with each other, and a processor configured to generate a report if results of the comparison do not comply with a predefined condition. Applications include medical applications such as recognizing new diseases.
Owner:NEC LAB EURO GMBH

An internet-based respiratory infectious disease prevention and control intelligent training system

This invention relates to the field of intelligent training technology, specifically to an internet-based intelligent training system for the prevention and control of respiratory infectious diseases. In this invention, a long short-term memory network is used to deeply model learners' learning progress, identify weaknesses in the learning process, and accurately push corresponding content, effectively providing personalized learning path recommendations. A graph neural network-based learning resource scheduling and content push method dynamically adjusts the frequency and order of learning content pushes to match learners' progress, ensuring that learning content is pushed at the appropriate time and with suitable difficulty. By constructing an interaction graph among learners and combining it with influence assessment, key prevention and control knowledge is disseminated preferentially through learners with high influence, optimizing the knowledge dissemination path. Combined with the application of the SIR (Self-Improving Influence) propagation model, the system predicts learners' progress in learning prevention and control knowledge, identifies learning bottlenecks, and significantly improves learning effectiveness.
Owner:GUIZHOU VOCATIONAL & TECH COLLEGE OF NURSING

Plant identification processing method and device

The embodiment of the invention provides a plant recognition processing method and device.The plant recognition processing method comprises the steps that in the plant image processing process, recognition cue words are generated for plant images uploaded by a user terminal, and the plant images and the recognition cue words are input into a large language model for shape feature recognition; and according to the obtained shape features, performing graph conversion on the plant contour graph of the plant image to obtain a geometric graph, and finally generating graph knowledge data of the geometric graph and returning the graph knowledge data to the user terminal, thereby performing graph knowledge learning related to the plant shape on the basis of identifying the shape of the plant image.
Owner:ALIPAY (HANGZHOU) INFORMATION TECH CO LTD

Knowledge learning method and device of a machine translation model

The application provides a knowledge learning method and device of a machine translation model, comprising: constructing a migration dataset; respectively using a machine translation teacher model and a machine translation student model to translate the original text of each sample of the migration dataset to obtain the first candidate word probability distribution and the second candidate word probability distribution of each sample of the migration dataset; determining the migration loss of each sample of the migration dataset according to the first candidate word probability distribution, the second candidate word probability distribution and the standard candidate word probability distribution of each sample of the migration dataset; and realizing the knowledge learning of the machine translation student model to the machine translation teacher model based on the first candidate word probability distribution of each sample of the migration dataset and the migration loss. The application enables the machine translation student model to learn complementary knowledge from the machine translation teacher model through the migration loss, realizes the knowledge accumulation of the machine translation student model, and further improves the translation performance of the machine translation student model.
Owner:TSINGHUA UNIVERSITY

Distributed intelligent question answering method based on novel federated knowledge learning model

The invention relates to a distributed intelligent question and answer method based on a novel federated knowledge learning model, and belongs to the field of natural language processing, and the method comprises the steps: each client carries out the fine tuning of a private downstream task large model through local privacy data, and a server carries out the fine tuning of a global model through a public data set, the knowledge understanding ability is enhanced; the central server decomposes the task flow into required demands and issues the demands to the client; the client generates corresponding knowledge fragments according to the received requirements and uploads the knowledge fragments to the server; the server aggregates the fragmented knowledge received from the client to form complete task auxiliary knowledge; the server large model generates a task response in conjunction with task assistance knowledge. According to the method, task decomposition, knowledge aggregation and identification removal modules are introduced, so that high performance is ensured, and powerful privacy protection is provided.
Owner:THE CHINESE UNIV OF HONG KONG (SHENZHEN) +1

An intelligent substation anomaly detection method based on meta-learning technology

PendingCN122413206AGuaranteed long-term effectivenessreduce dependenceEngineeringData reconstruction
The application provides an intelligent substation anomaly detection method based on meta-learning technology, first, a multi-working condition task library is constructed for meta-training. Secondly, a double meta-knowledge learning framework is designed to learn task-level model initialization parameters suitable for rapid adaptation. Subsequently, online reconstruction error driven anomaly detection is deployed, and the adapted model is used to calculate data reconstruction error in real time, and combined with the adaptive threshold to accurately distinguish and alarm grading. Finally, the system supports a dynamic updating mechanism, which continuously collects verified samples and periodically triggers meta-updating. The application significantly reduces the data dependence and deployment cost in new scenarios, improves the model's generalization ability to multiple working conditions and sensitivity to rare anomalies through meta-knowledge sharing, and ensures the long-term effectiveness of the detection system through online learning mechanism, providing an efficient, adaptive and evolutionary security protection solution for intelligent substations.
Owner:ZHANGZHOU POWER SUPPLY COMPANY STATE GRID FUJIANELECTRIC POWER +1

A federated remote sensing large model training method and system based on low-rank adaptation

ActiveCN121438126BSensing dataEngineering
The application discloses a kind of based on low-rank self-adaption's federal remote sensing big model training method and system, comprising: using respective remote sensing data, pre-training big model and local low-rank self-adaption model is carried out individualized heterogeneous data knowledge learning;Using the local low-rank self-adaption model parameter initialized global shared low-rank self-adaption model parameter after training, based on pre-training big model and global shared low-rank self-adaption model is carried out collaborative federal training, learns global remote sensing task field knowledge;By heterogeneous rank alignment fusion mode, the alignment of local heterogeneous data knowledge and global remote sensing task knowledge is realized after, output is composed of pre-training big model and the low-rank self-adaption model parameter of alignment after local by federal remote sensing big model, such as greatly reduce the parameter quantity and communication overhead of federal training upload, guarantee the efficient training of model, also realize local heterogeneous data and global remote sensing task self-adaption alignment, guarantee the versatility and robustness of model.
Owner:ZHEJIANG UNIV

A multi-dimensional student state knowledge tracking method fusing emotion and forgetting mechanism

The application discloses a multi-dimensional student state knowledge tracking method fusing emotion and forgetting mechanism, relates to the field of intelligent education, and aims at the problems that the existing method ignores the dynamic influence of emotion on forgetting and lacks a learning feedback mechanism.The application proposes a multi-dimensional state collaborative evolution framework.The method firstly constructs an independent forgetting state which is explicitly regulated by emotion and establishes a knowledge state which is inhibited by the forgetting state;secondly, the knowledge learning gain is innovatively introduced into the emotion updating process, realizing deep coupling of the three-dimensional states of knowledge, emotion and forgetting;finally, the states are fused through cross-dimensional attention, and the basic prediction probability is dynamically calibrated by using subjective difficulty and a prediction uncertainty coefficient.The application effectively simulates a real cognitive psychological process, and significantly improves the accuracy, explainability and individualization level of knowledge state tracking.
Owner:XIAN UNIV OF POSTS & TELECOMM

Unity-based cable accessory installation training system

The invention discloses a Unity-based cable accessory installation training system and a construction method thereof. The system comprises a basic knowledge learning module, a professional knowledge learning module, a training examination module, an examination evaluation module and the like. The basic knowledge learning module provides content such as identification graphs related to cable accessory installation, electrical instruments, tool use and safety specifications and the like, and teaching is assisted in a visual mode of images, texts, voice and structures. The professional knowledge learning module is used for displaying key installation processes and process standards in the forms of three-dimensional animation, video explanation, structure explosion diagram and the like; the training examination module is provided with basic examination and practical operation examination, and supports question bank import, interactive answering and action monitoring; and the assessment and evaluation module performs statistical analysis on assessment data and generates visual assessment reports such as a radar map and the like. According to the invention, the learning efficiency of trainees can be improved, the training cost is reduced, the training safety and flexibility are enhanced, and standardization, intelligence and high efficiency of cable accessory installation skill training and assessment are realized.
Owner:CHINA THREE GORGES UNIV

Product analysis method and system based on life cycle-system level data chain model

The application discloses a product analysis method and system based on a life cycle-system level data chain model, realizes transparent recording and tracing of product life cycle data through a decentralized data storage platform of a block chain, applies smart contract technology, accurately cooperates global and local decisions, and breaks the collaboration bottleneck of a traditional manufacturing system. Meanwhile, the problem of small sample data imbalance is solved by using a distributed sharing mechanism of the block chain, and the data credibility and the overall availability of the system are improved. On the basis of the decentralized data storage platform, a product life cycle and system level double digital main line block chain data model is established, an intelligent manufacturing data analysis and knowledge learning model is established in a method domain, the block chain is combined with edge computing, data processing is more efficient and intelligent, the intelligent level of the manufacturing system is further improved, and a comprehensive, efficient and intelligent solution is provided for digital transformation.
Owner:GUANGDONG UNIV OF TECH

Sequence recommendation methods, systems, devices, and media based on attention mechanisms and persistent memory.

This invention discloses a sequence recommendation method, system, device, and medium based on attention mechanisms and persistent memory, comprising: defining item categories within the system; collecting and processing sequence data within the system to obtain processed sequence data; constructing a sequence recommendation model, wherein the constructed sequence recommendation model includes an embedding generation module, a location information generation module, a self-attention module based on persistent memory, and a prediction module; training the sequence recommendation model using the processed sequence data as samples; and model deployment and prediction, wherein the model deployment and prediction involves inputting the target sequence data into the trained sequence recommendation model and predicting the next item based on the model output. This invention, by introducing a persistent memory mechanism, enables the model to focus on global cross-sample knowledge throughout the task and learn general knowledge of the task, which plays a significant role in improving recommendation performance.
Owner:SOUTH CHINA UNIV OF TECH

Assessment method for continuous learning of multi-source heterogeneous data based on context knowledge enhancement

The invention discloses a multi-source heterogeneous data continuous learning evaluation method based on context knowledge enhancement, and relates to a continuous learning technology and a model performance evaluation method in machine learning. The method mainly aims at evaluating the ability of a depth model to continuously learn sequence tasks on multi-source heterogeneous data; the method is an evaluation method which is based on context knowledge enhancement and focuses on key new knowledge learning efficiency and precision. According to the method, a human forgetting curve is simulated, the defect that new knowledge and old knowledge are not distinguished in an existing evaluation mode is broken through, higher calculation weights are given to knowledge needed by the model for processing problems in the current context environment, and the continuous learning ability of the model on multi-source heterogeneous data is evaluated in a mode more fitting the reality.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA