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2370 results about "Domain knowledge" patented technology

Domain knowledge is knowledge of a specific, specialized discipline or field, in contrast to general knowledge, or domain-independent knowledge. The term is often used in reference to a more general discipline, as, for example, in describing a software engineer who has general knowledge of programming, as well as domain knowledge about the pharmaceutical industry. People who have domain knowledge, are often considered specialists or experts in the field.

Public policy case analysis knowledge graph fusion reasoning method and system

The invention relates to the technical field of information data analysis. The invention provides a public policy case analysis knowledge graph fusion reasoning method and system. The method comprises the following steps: generating standardized preprocessing data; performing extraction processing on the standardized pre-processed data to generate a structured triple set; processing the structured triple set to generate a multi-dimensional knowledge graph; constructing a hybrid inference engine, and processing the multi-dimensional knowledge graph to generate inference result data; performing incremental updating processing of nodes and relationships on the multi-dimensional knowledge graph, and performing parameter optimization processing on the hybrid inference engine to generate an updated knowledge graph and an optimized inference engine; and reasoning result data are processed, and a visual analysis result is output, so that the problems of limitation of a rule engine on causal reasoning, semantic fuzziness and logic illusion of a large language model in the policy field and insufficiency of a single-field knowledge graph on cross-field interaction influence revelation are solved.
Owner:HUNAN UNIV OF SCI & TECH

Knowledge graph construction method and system based on large language model

The invention relates to a knowledge graph construction method and system based on a large language model, and the method and system achieve the automatic construction and dynamic maintenance of a knowledge graph through multi-modal data fusion, reinforcement learning and comparative learning joint optimization, teacher-student model knowledge migration, time sequence dynamic analysis and an incremental updating mechanism. Constructing a reinforcement learning framework, and taking accuracy and integrity as reward indexes to train a large model to extract an entity relationship; a large-scale knowledge graph is used as a teacher model, and conflict resolution and semantic alignment of newly added knowledge and an existing graph are realized through a graph attention network; a verification rule is dynamically generated based on historical data and domain knowledge, and relation periodicity and mutation points are detected in combination with Fourier transform and a CUSUM algorithm; and finally, generating a traceable knowledge graph through incremental updating and version control. And the multi-modal data processing precision, the entity relationship extraction dynamic adaptability and the knowledge graph maintenance efficiency are improved.
Owner:SICHUAN UNIV JINCHENG INST

AIGC content generation method and system based on multi-modal fusion

The invention relates to the technical field of AIGC content generation, discloses an AIGC content generation method and system based on multi-modal fusion, and aims to solve the problems of decentralization, low efficiency and insufficient originality of a traditional content generation tool. Multi-modal data such as texts, images, videos and audios are integrated, user intentions are analyzed in combination with intelligent retrieval and a domain knowledge base, automatic generation from multi-modal input to high-quality creative content is achieved, a cross-modal collaborative generation technology is adopted, semantic features are dynamically aligned, and logically coherent content is generated. The content emotional value is enhanced through an emotional analysis and dynamic optimization strategy, the homogenization bottleneck is broken through, meanwhile, an automatic quality evaluation and format adaptation mechanism is integrated, deep application of scenes such as text travel, advertisement, e-commerce and interactive network television service is supported, marketing copywriting, short videos and cross-platform distribution schemes can be efficiently generated, and the market competitiveness is improved. And the content production efficiency and the creativity transmission are obviously improved.
Owner:HANGZHOU WANDIAN TECHNOLOGY CO LTD

Multi-modal content compliance auditing method and system

The invention provides a compliance auditing method and system for multi-modal content. The method comprises the following steps: performing feature extraction on unstructured to-be-audited multi-modal content to obtain a structured feature vector; performing image-text semantic association on the text semantic feature vector and the image visual feature vector to obtain a fusion feature vector involving image-text semantic contradiction; constructing a domain knowledge graph based on the compliance guidance data of the domain to which the to-be-audited multi-modal content belongs; inputting the fusion feature vector into a domain knowledge graph, and performing compliance rule retrieval by adopting a sub-graph matching algorithm to determine a violation type corresponding to the fusion feature vector and a violated compliance term; and generating an interactive compliance audit report. The system comprises functional modules for realizing the steps in a one-to-one correspondence manner. According to the technical scheme, the problem that cross-modal semantic analysis of an existing multi-modal content compliance auditing method is not accurate can be solved.
Owner:SHANGHAI CAIYUE XINGCHEN INTELLIGENT TECHNOLOGY CO LTD

Double-engine government affair question and answer method based on large model fine tuning and RAG retrieval

The invention discloses a double-engine government affair question and answer method based on large model fine tuning and RAG retrieval, belongs to the field of government affair digitization and natural language processing, and combines large model language understanding generation ability, retrieval enhancement generation technology and a structured reasoning mode. The defects of a traditional government affair question and answer method in the aspects of dynamic policy response, complex semantic understanding and compliance control are overcome. Government affair field knowledge is adapted through large-model fine adjustment, and high-precision and timeliness answering of government affair consultation is realized in combination with vector retrieval and a dynamic updating mechanism. The core innovation of the method lies in deep fusion of a double-engine architecture and dynamic knowledge management, the accuracy and response efficiency of government affair questions and answers are improved on the premise of ensuring policy compliance, and the method is suitable for intelligent upgrading of scenes such as government affair service halls and online consultation platforms.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Power field knowledge question-answering system construction method based on large language model

The invention discloses an electric power field knowledge question-answering system construction method based on a large language model, and relates to the field of electric power field knowledge question-answering, and the method comprises the steps: judging the data type of electric power field knowledge, and carrying out the processing of the electric power field knowledge according to the judgment result through matching with a processing technology, and generating an entity relation triple; constructing a power field knowledge graph; optimizing the power field knowledge graph based on the attention network, outputting an answer causal path of the fault problem by using the optimized power field knowledge graph, and marking a confidence score of the answer causal path; and inputting the solution causal path and the confidence score into a language model to obtain a fault question answering result, and optimizing the question answering result according to the consistency of the fault question answering result and the power field knowledge graph. According to the method, on the premise that the fault diagnosis logic is rigorous and the result is traceable, knowledge in large-scale unstructured literatures in the power industry is activated, so that accurate question and answer services can be provided for operation and maintenance personnel in real time.
Owner:GUODIAN NANJING AUTOMATION

Power grid drawing intelligent review method and system based on knowledge graph

The invention relates to the technical field of image data processing, and discloses a power grid drawing intelligent review method and system based on a knowledge graph, and the method comprises the steps: driving a multi-mode large language model based on a domain specific prompt project, extracting a power grid domain knowledge triple from structured text data, and then carrying out the quality evaluation and conflict detection, performing automatic resolution on the conflict knowledge to obtain a candidate knowledge set; checking and confirming the candidate knowledge set through a man-machine cooperation verification mechanism, and constructing a power grid design specification knowledge graph; and identifying to-be-reviewed elements in the to-be-reviewed power grid drawing through the multi-modal large language model, querying the power grid design specification knowledge graph according to the generated structured query statement, performing compliance judgment on the to-be-reviewed power grid drawing based on the obtained query data packet, and generating a review report. According to the method and the device, the efficiency and the reliability of automatic drawing review can be improved, and meanwhile, the interpretability and the traceability of review results are ensured.
Owner:YANGJIANG POWER SUPPLY BUREAU OF GUANGDONG POWER GRID

Low-altitude intelligent question and answer construction method and system based on dynamic parameters

The invention relates to a low-altitude intelligent question and answer construction method and system based on dynamic parameters. The method comprises the following steps: collecting low-altitude domain data, cleaning the low-altitude domain data, generating a semantic vector index, and constructing a low-altitude domain knowledge base based on the semantic vector index; receiving a natural language query of a user, analyzing a query intention, extracting keywords in the natural language query, and matching a corresponding candidate word quantity based on query types of the natural language query of the user, the query types at least comprising high-frequency phrase query and low-frequency long-tail query; and respectively carrying out fusion semantic retrieval and keyword retrieval, carrying out secondary sorting on the candidate results based on a preset resorter, preferentially sorting the candidate results related to the query intention, and outputting the corresponding candidate results. By adopting the method, a combined domain retrieval enhancement generation mechanism is provided, so that the professionality and accuracy of answers are improved; and the retrieved knowledge base content is re-screened to increase the hit probability of the knowledge base.
Owner:CHINA TELECOM UNMANNED TECHNOLOGY (JIANGSU) CO LTD

Large model application construction method based on configurable workflow and domain knowledge base

The invention discloses a large model application construction method based on a configurable workflow and a domain knowledge base. The method comprises the following steps: S1, constructing the domain knowledge base, establishing a semantic map and generating a knowledge embedding data set; s2, defining a configurable workflow, setting a jump rule based on a semantic process language, and binding a task semantic tag; s3, configuring a Prompt adaptive generation mechanism, and generating a Prompt input text in combination with the semantic tag and the knowledge embedding data set; s4, calling a knowledge embedding data set, retrieving semantic segments and embedding Prompt to form enhanced Prompt input; s5, inputting the large language model to obtain a return result and an index, and executing jump judgment; s6, scheduling a large language model service instance, and dynamically selecting a service interface according to an index and a task state; and S7, processing by a process termination node, arranging an output result, recording a log and calling data. According to the method, intelligent scheduling and application construction of the large model based on the workflow and the knowledge base are realized.
Owner:JIANGSU YIQICE NETWORK TECH CO LTD

Intelligent data query method based on natural language

The invention provides an intelligent data query method based on a natural language, and relates to the technical field of intelligent data processing and natural language interaction.The intelligent data query method comprises the steps that firstly, enterprise original data is subjected to standard treatment, and a standardized theme database and a data directory and index definition document are constructed; key semantics are extracted based on unstructured knowledge, and a domain knowledge vector library is fused and constructed by combining document text fragments and vector representation of a mapping relation between historical questions of a user and an SQL (Structured Query Language). And after receiving a natural language question of a user, calling a large language model to identify a task type, and distinguishing knowledge questions and answers, data query and complex analysis. Executing corresponding operations according to different types: directly retrieving a vector library by knowledge questions and answers to generate answers; extracting keywords in data query and generating a query request in combination with context; and in the complex analysis, predefined workflow is judged and executed or intelligent agent processing is called, and query or analysis requirements are output.
Owner:INSPUR GENERSOFT CO LTD

System and method for automatically generating SysML model based on mixed AI and domain knowledge

The invention discloses a SysML model automatic generation system based on mixed AI and domain knowledge, and the system comprises a preprocessing module which is used for carrying out the text preprocessing and structural enhancement of an engineering document of a PDF or Word version; the NLP extraction module is used for identifying six types of core entities by adopting aviation corpus fine tuning BERT, constructing a document-level relational graph by utilizing GNN, modeling a cross-paragraph dependency relationship, calling LLM for semantic fuzzy sentences to generate a thinking chain, extracting a reasoning path and solving ambiguity; the rule conversion engine module is used for mapping the entity relation graph into a SysML memory object tree; and the controllable generation module is used for carrying out limited decoding on the LLM by utilizing a Guidance framework. The invention further discloses an automatic SysML model generation method based on the mixed AI and domain knowledge. According to the method, the problems of low manual modeling efficiency and poor semantic consistency in traditional MBSE implementation are solved.
Owner:SHANGHAI LINGSHU INTELLIGENT TECH CO LTD +2

Intelligent multi-dimensional bid evaluation analysis and decision-making method based on big data

The invention relates to the technical field of intelligent bid evaluation, and provides an intelligent multi-dimensional bid evaluation analysis and decision-making method based on big data, which comprises the following steps: acquiring original bid evaluation data from a multi-source heterogeneous data interface, and fusing through semantic role labeling and a timestamp alignment algorithm to generate a time-space association data set. And performing multi-level cleaning to generate a high-confidence bid evaluation data set. And extracting a multi-dimensional index based on the domain knowledge graph, generating a dynamic feature tensor, and dynamically allocating a weight by adopting a coupling attenuation weight model. And constructing a bidder association network, calculating a node influence score, detecting a potential bidding behavior and generating a risk correction coefficient. And injecting the real-time data stream into the dynamic feature tensor, updating the index weight, and generating a three-dimensional scoring vector through a multi-target aggregation decision algorithm. And performing Pareto optimization by using the asymmetric game equilibrium model, and outputting an optimal bid-winning party sequence and a risk early warning report. The bid evaluation efficiency and fairness can be improved, and the bid invitation risk is reduced.
Owner:FUJIAN RUIXIN TECH CO LTD

Supply chain contract intelligent review system and method based on large language model

The invention discloses a supply chain contract intelligent review system and method based on a large language model, and relates to the technical field of contract review. Aiming at the defect that the existing contract review generally depends on fixed template and keyword matching, the adopted scheme comprises the following steps: receiving a contract text through a text acquisition module; preprocessing the text through a text preprocessing module; the large language model analysis module adopts a pre-trained large language model to carry out deep semantic understanding on a text and extract key information; a supply chain management domain knowledge graph is constructed through a graph construction module, and compliance verification is assisted; the intelligent analysis module performs multi-dimensional risk identification and compliance evaluation on contract content in combination with a big language model analysis result and a knowledge graph; and the visualization module provides an interactive user interface for a user to upload a contract text, and displays an examination result, a risk prompt and a compliance suggestion of the contract text. According to the invention, the supply chain contract text can be automatically examined and risk early warning can be carried out.
Owner:INSPUR SMART SUPPLY CHAIN TECH (SHANDONG) CO LTD

Park multistage intelligent reasoning and early warning system based on multi-modal knowledge graph

The invention provides an intelligent early warning system fusing Internet of Things sensing data and a domain knowledge graph, aiming at the problems of data islands, high false alarm rate, response lag and the like of a traditional park early warning system, and is suitable for park safety prevention and control in industries such as chemical industry, logistics, manufacturing and the like. The knowledge graph is an ideal tool for modeling connection between objective objects in the real world, the data island problem can be effectively solved by constructing the knowledge graph oriented to the smart park safety management field and fusing an intelligent reasoning algorithm, and the accuracy and timeliness of park risk early warning are remarkably improved. Specifically, a whole set of pre-warning system is designed from bottom to top in three aspects of multi-modal knowledge graph modeling, a three-level pre-warning inference engine and a self-adaptive optimization mechanism, and the park pre-warning requirements which meet current intellectualization and manpower cost saving are constructed. The multi-modal knowledge graph relates to six types of ontology concepts, comprises different data types, and comprises an equipment topological relation, environmental parameter association, an emergency plan, risk analysis, attack behavior simulation and an asset attribute model. The third-level early warning reasoning comprises rule reasoning, sub-graph matching reasoning and link prediction reasoning. The self-adaptive optimization technology aims at constructing a feedback learning mechanism, incorporating each early warning processing result into a knowledge graph, and continuously optimizing the object relation weight. In an early warning analog simulation experiment, the scheme of the invention realizes the effects of reducing the false alarm rate by 42% and improving the emergency response speed by 60%, and the feasibility and effectiveness of the scheme are proved.
Owner:INNOVATION DRIVEN (SHAANXI) TECHNOLOGY CO LTD

Document processing method and system based on text content extraction

The invention relates to a document processing method and system based on text content extraction. The method comprises the steps that an original document containing text, image and format information is received, the encoding format of the document is automatically detected, character set conversion is executed, and hierarchical indexes including page numbers, paragraphs and tables are established for an unstructured document; the method comprises the following steps: synchronously processing text content and visual layout through a pre-trained visual-language model, extracting word-level and sentence-level semantic features by a text stream embedding layer, analyzing spatial distribution features of document elements by a visual encoder, and fusing text and visual features through a cross-modal attention mechanism; and loading the domain knowledge graph matched with the document type, and executing entity linking to associate the text mentions to the knowledge nodes. According to the document processing method and system based on text content extraction, through the synergistic effect of vision-text joint coding and knowledge enhancement, the accuracy of financial contract key clause recognition tasks is improved, the error rate is lower than that of industry benchmark products, and the semantic understanding precision is remarkably improved.
Owner:WIN THE BID HUIKANG TECH CO LTD

Network security and data security comprehensive analysis method and system based on large model

The invention provides a network security and data security comprehensive analysis method and system based on a large model, and the method comprises the steps: collecting multi-source heterogeneous security data of a network communication link, a data storage node and an application interaction interface, carrying out the risk behavior atomization association processing, and constructing a dynamic risk association hypergraph; based on a preset security domain knowledge graph, calling the large model to execute multiple rounds of risk attribution reasoning, performing attack chain fragment matching and evidence chain completion on a behavior hyperedge set in the dynamic risk association hypergraph, and generating a risk attribution reasoning chain; and constructing a risk evolution probability model according to the risk attribution reasoning chain and the time sequence constraint set of the dynamic risk association hypergraph, and calculating a short-term diffusion probability and a long-term evolution trend vector of each association risk path based on the risk evolution probability model to obtain a risk evolution path prediction result. The pertinence and the dynamic adaptability of protection measures can be improved, and the problem that a static protection strategy is difficult to deal with the hysteresis quality of dynamic risk changes is solved.
Owner:贵州华谊联盛科技有限公司

Archive resource intelligent classification and association indexing method based on multi-modal ai analysis

The invention relates to the technical field of archive management, and provides an archive resource intelligent classification and association indexing method based on multi-modal ai analysis, which comprises the following steps: preprocessing collected archive data to form a multi-modal data set comprising text data, image data and audio data; extracting feature vectors of the text data, the image data and the audio data, and fusing the feature vectors into a unified archive representation vector through a cross-modal attention fusion mechanism; constructing a hierarchical classification model, and performing intelligent classification on the archives in combination with a domain knowledge graph; the method comprises the following steps: constructing an associated index of an archive from four dimensions of entities, semantics, time and space and events, establishing a feedback mechanism, dynamically updating and optimizing the associated index, and providing multi-modal retrieval and visual display based on a classification system and the associated index. According to the intelligent classification and association indexing method for the archive resources, the problems that in an existing archive classification and indexing method, the multi-modal processing capacity is insufficient, the association mining depth is insufficient, and the efficiency is low are solved.
Owner:BEIJING HANGXING YONGZHI TECH

Public emergency plan intelligent generation and dynamic adjustment method and system

The invention provides a method and a system for intelligently generating and dynamically adjusting a public emergency plan, which are oriented to the field of public safety emergency. The method comprises the following steps: fusing multi-source heterogeneous data to construct an extensible domain knowledge graph, establishing a standardized emergency instruction library, and carrying out multi-dimensional information labeling; automatic extraction of disaster elements is realized based on an entity recognition model of deep learning; analyzing association rules among the emergency entities through a semantic relationship mining technology; key information such as a disaster chain and resource distribution is rapidly obtained by using a map reasoning mechanism; carrying out cross-department resource collaborative allocation by adopting a multi-objective optimization algorithm to generate an optimal disposal scheme; a high-dynamic adjustment mechanism is constructed, and an emergency plan is dynamically optimized based on situation evolution prediction and real-time monitoring data; and finally, automatic generation and versioning management of the plan are realized. Through multi-mechanism cooperation of knowledge modeling, intelligent element analysis, semantic reasoning, dynamic optimization and predictive adjustment, the emergency plan generation efficiency, situation adaptability and resource allocation rationality are remarkably improved, and support is provided for quick response and scientific decision under emergencies.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Internet big data extraction method and device, equipment and storage medium

The invention relates to an internet big data extraction method and device, equipment and a storage medium, and the method comprises the following steps: carrying out distributed crawler collection on an internet data source, obtaining original network data, and converting the original network data into a structured data matrix; and performing multi-level semantic analysis on the matrix, constructing a semantic feature map, and performing topic segmentation and classification to form a topic domain knowledge tree. Association rules in the knowledge tree are further mined, and an implicit knowledge network is constructed. Performing semantic decomposition and expansion on query conditions based on the network to generate expanded query data, and performing similarity matching with the knowledge network to obtain a candidate data set; and finally, performing multi-factor sorting and extraction on the candidate data, and outputting target data, thereby solving the technical problem that in the second-hand car market, due to wide data sources and fuzzy semantics, an existing system has relatively large deviation when performing price prediction and maintenance cost analysis.
Owner:QINGDAO WULIANG TECHNOLOGY CO LTD

Intelligent customer service dialogue generation optimization method and system based on knowledge graph

The invention provides an intelligent customer service dialogue generation optimization method and system based on a knowledge graph, and relates to the technical field of knowledge graphs, and the method comprises the steps: employing a bidirectional long-short-term memory network to recognize the entity and intention of a user question; performing multi-hop query in the knowledge graph based on the question entity to obtain an initial knowledge sub-graph; constructing a user feature vector containing a dialogue state, problem solving and service preference; performing hierarchical reconstruction on the initial knowledge sub-graph based on the user feature vector; calculating the structural similarity of the domain knowledge graph, and extracting a general knowledge organization mode; decomposing the reconstructed knowledge sub-graph into a structure template and a content filling item, and determining a knowledge mapping relation between fields to obtain a migration optimization knowledge graph; and generating candidate replies based on the optimized knowledge graph and the initial intention, evaluating the accuracy, suitability and correlation of the candidate replies, and selecting the optimal reply output.
Owner:HANGZHOU ZERO ONEBIT TECHNOLOGY CO LTD

Multi-modal data dynamic fusion method and system based on distributed edge cloud collaboration

The invention provides a multi-modal data dynamic fusion method and system based on distributed edge cloud collaboration, and relates to the technical field of data processing, and the method comprises the steps: building a domain knowledge graph, carrying out generative adversarial completion, carrying out cross-modal semantic alignment based on an attention mechanism, carrying out knowledge reasoning, dynamically adjusting a sampling strategy, and cooperatively scheduling a sensor. According to the method, through semantic enhancement and dynamic sampling strategy optimization, the accuracy and the real-time performance of multi-modal data fusion are improved, the system resource consumption is reduced, and efficient data processing under edge-cloud collaboration is realized.
Owner:BEIJING YIZHUANG INTELLIGENT CITY RES INST GRP CO LTD

Intelligent data labeling method and system based on multi-modal fusion and large model verification

The invention provides an intelligent data labeling method and system based on multi-modal fusion and large model verification, belongs to the field of artificial intelligence and data processing, and innovatively fuses multi-modal information such as an OCR recognition result, a layout structure, original image visual features and deep semantic analysis of a large language model (LLM). And a precise automatic labeling result credibility evaluation mechanism is constructed. According to the method, various errors in automatic labeling can be accurately recognized and adaptively corrected, and the errors comprise conventional error correction based on hard coding rules and complex semantic error correction driven by LLM. Meanwhile, the system can continuously optimize the data labeling capability of the system through an efficient man-machine cooperation and closed-loop feedback learning mechanism, and automatically precipitate domain knowledge assets. The invention aims to solve the problems of recognition accuracy bottleneck, heavy manual proofreading burden, lack of intelligent judgment and error correction, knowledge accumulation lag and the like in traditional document data labeling, so that the efficiency, accuracy and automation level of document data labeling are remarkably improved.
Owner:INSPUR ZHUOSHU BIG DATA IND DEV CO LTD

Knowledge base construction method in preschool education field by fusing knowledge graph and large language model

The invention discloses a preschool education field knowledge base construction method fusing a knowledge graph and a large language model, and relates to the technical field of preschool education method optimization. Multi-channel collection of preschool education data and cleaning preprocessing; utilizing a customized model to extract entities and relationships, and constructing a structured knowledge graph; performing fine tuning on the big language model in the preschool education field; fusing atlas and model knowledge through a gating mechanism, and performing dual verification; establishing a monthly updating mechanism to realize incremental learning; in addition, personalized knowledge recommendation is realized based on a user portrait, interactive questions and answers are optimized through combination of retrieval and a model, and data security is guaranteed by adopting anonymization and authority control. Through multi-source data integration and intelligent technology fusion, an accurate and dynamic preschool education knowledge base is constructed, requirements of children are more accurately understood, content fitting cognition is generated, personalized learning recommendation is realized, interaction experience and knowledge service quality are improved, data security is guaranteed, and digital upgrading of the preschool education field is promoted.
Owner:NANJING HUAXUAN SOFTWARE CO LTD

Analysis method and device for screening target customer group, equipment and medium

The invention discloses an analysis method and device for screening a target customer group, equipment and a medium, and relates to the technical field of customer data analysis. The method comprises the following steps: constructing registered user behavior data into a triple graph structure comprising user nodes, behavior nodes and entity nodes, and injecting domain knowledge for semantic enhancement; 24 hours are divided into periodic time periods, time period embedding vectors are generated, and Transform modeling cross-time behavior dependence is sensed through the time periods. According to the method, a triple graph structure is constructed, domain knowledge is injected, periodic time period modeling and multi-modal feature fusion are combined, behavior semantic association and time sequence dependence are deeply mined, and the effect of capturing hidden demands of a user is achieved; customer layering is optimized through local multi-source data cross validation, four-level division is defined, reinforcement learning and dynamic threshold decision are associated, and the effect of improving layering precision is achieved.
Owner:SHANGHAI WANGMAI INFORMATION TECH GRP CO LTD

Method and system for enhancing understanding of professional domain knowledge by large model

The invention relates to the technical field of natural language processing, knowledge engineering and artificial intelligence, and particularly discloses a method and system for enhancing understanding of professional domain knowledge by a large model. The method comprises the steps that a professional domain entity classification system composed of a core entity, an auxiliary entity and a relation entity is constructed, attributes are expressed in a layered labeling and multi-granularity modeling mode, and semantic vectors are generated through ontology modeling and an embedding algorithm; based on a mixed extraction framework fusing expert rules and a neural network model, high-quality extraction of professional domain knowledge is realized; the method comprises the following steps: integrating multi-source heterogeneous data, and constructing a dynamically updated domain knowledge graph through semantic mapping, entity normalization and metadata weighting strategies; a knowledge graph is embedded into a Transform architecture, a knowledge perception attention mechanism and a multi-hop inference engine driven by reinforcement learning are introduced, and the knowledge fusion and inference ability of a large model is improved; and meanwhile, a triple check mechanism is designed to ensure entity consistency, relation logicality and numerical reasonability of the generated content. According to the method, the knowledge understanding and reasoning capability of a large model in professional scenes such as water conservancy is effectively improved, and the method has good universality and engineering application prospects.
Owner:JIANGHE RUITONG (BEIJING) TECH CO LTD

Cross-domain knowledge migration cold start recommendation method based on dynamic intention perception

The invention relates to a cross-domain knowledge migration cold start recommendation method based on dynamic intention perception. A system model of the method comprises a decoupling feature extractor based on graph convolution, an intention bridging network, a self-adaptive knowledge fusion mechanism and a recommendation generation unit. The method comprises the following steps: firstly, decomposing expressions of a user and an article into a plurality of intention subspaces through a decoupling feature extractor; then, establishing a soft mapping relation between intention subspaces of a source domain and a target domain by using an intention bridging network to realize intention alignment of fine granularity; the migration degree of source domain knowledge is dynamically adjusted through an adaptive knowledge fusion mechanism, and differentiated migration strategies are adopted for different users and articles; and finally, stable learning and smooth knowledge migration of the intention mapping relation are ensured by adopting a three-stage progressive training strategy of a recommendation generation unit. The problems of non-correspondence of intention semantics, negative migration and the like in traditional cross-domain recommendation are effectively solved, the recommendation effect is remarkably improved, and the method is particularly suitable for a cold start scene with sparse target domain data.
Owner:TIANJIN UNIV

Urban power grid real-time load collaborative peak regulation method based on multi-energy complementation and AI scheduling

The invention discloses an urban power grid real-time load collaborative peak regulation method based on multi-energy complementation and AI scheduling. The method comprises the following steps of multi-source data access and high-dimensional feature space construction, embedded entropy calculation and interactive network construction, domain knowledge and data-driven model fusion, hierarchical scheduling and dual-stage optimization, and real-time decision and closed-loop feedback. According to the method, the real-time performance and hierarchical scheduling thought are emphasized, and an organic closed loop is formed on the three aspects of intra-day scheduling, hour-level rolling correction and minute-level or second-level emergency response. Meanwhile, by means of a multi-stage optimizer switching mechanism, the model can complete rapid convergence of high-dimensional parameters in a short time, finer strategy fine adjustment is carried out in the later period, and the accuracy and reliability of a peak regulation scheme are guaranteed; the method can be applied to advanced power grid systems such as intelligent power grid dispatching, a multi-energy collaborative optimization platform and demand side response management, and has the characteristics of high real-time performance, strong adaptability and good expandability.
Owner:FUDAN UNIVERSITY

Circuit EMI suppression-oriented multi-knowledge collaborative distillation and optimization method and system

The invention discloses a circuit EMI suppression-oriented multi-knowledge collaborative distillation and optimization method and system, and the method comprises the steps: constructing a basic large language model based on the circuit design of the electronic industry as a student model, and carrying out the adaptive optimization of the circuit design field. Thirdly, integrating the formalized EMI rule base, the simulation data / model base and the expert experience case base, constructing a multi-source heterogeneous teacher knowledge system, and generating a comprehensive guidance signal G; then, candidate circuit design generated by a student model is evaluated through the system, and a multi-objective loss function including basic distillation, rule conformity, performance fitting and expert experience consistency is constructed; according to the method, the universality is reserved by quantifying differences, compliance is ensured through punishment, the performance difference is reduced, dynamic weight adjustment is introduced, and the model performance reaches a preset target through iterative distillation. The model can understand and process terminologies and design rules in the field of circuit design, and the defect that a general AI model lacks domain knowledge is overcome.
Owner:DATANG INTERNET TECH (WUHAN) CO LTD +1

Star group task planning method and system based on fine tuning large language model

The invention provides a satellite group task planning method and system based on a fine tuning large language model, and relates to the technical field of satellite group task planning. The task planning method comprises the following steps: processing a task planning request through a constraint analysis-tagging large language model to obtain a structured sample containing question definition, a reasoning process and a final answer; processing the structured sample through a pre-trained large language model oriented to satellite task planning domain knowledge alignment to obtain a preliminary satellite task planning scheme; and finally, carrying out iterative optimization on the preliminary satellite task planning scheme by utilizing a heuristic dynamic tuning framework to obtain a large-scale satellite group task planning scheme. According to the method, the problem of large-scale satellite group task planning is solved by utilizing the logical reasoning ability of a large language model, satellite task planning domain knowledge fine tuning is performed through satellite task planning fine tuning data based on a thinking chain, and a large-scale satellite group task planning scheme is efficiently generated with high quality in combination with a heuristic dynamic tuning framework.
Owner:HEFEI UNIV OF TECH

Construction engineering cost intelligent estimation and checking method fusing domain knowledge graph and large language model

The invention relates to the technical field of building engineering cost intelligent estimation, and discloses a building engineering cost intelligent estimation and checking method fusing a domain knowledge graph and a large language model, and the method comprises the following steps: S1, building a building engineering domain knowledge graph (KG), integrating a quota library, a material price library and historical project data, and carrying out the calculation of a building engineering domain knowledge graph (KG); and defining an entity relationship and a dynamic updating rule. According to the intelligent building engineering cost estimation and checking method fusing the domain knowledge graph and the large language model, a closed loop of knowledge structuring (KG) + semantic comprehension (LLM) + multi-modal reasoning is realized for the first time, engineering cost management is promoted to be transformed from experience driving to data-knowledge dual driving, a reusable technical normal form is provided for the field of intelligent construction, and the engineering cost is estimated and checked. The method solves the problems of efficiency, precision, dynamics and interpretability of traditional cost management, has technical innovation and practical value, and provides core technical support for digital transformation of constructional engineering.
Owner:SHANGHAI YUNJING ZHIZHU INTELLIGENT TECHNOLOGY CO LTD