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704 results about "Relationship extraction" patented technology

A relationship extraction task requires the detection and classification of semantic relationship mentions within a set of artifacts, typically from text or XML documents. The task is very similar to that of information extraction (IE), but IE additionally requires the removal of repeated relations (disambiguation) and generally refers to the extraction of many different relationships.

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

Method and system for processing data based on large language model

The invention relates to the technical field of data processing, in particular to a method and system for processing data based on a large language model.The method comprises the following steps that based on inter-sentence punctuation positioning and part-of-speech tagging, sentence blocks are divided to generate functional partitions, themes and relational words are extracted to judge semantic chain starting points, a trigger index sequence is constructed, and logic jump points and breakpoint positions are recognized; and mapping the label structure to the language model output analysis deviation, and generating a label mapping combination list. According to the method, semantic turning nodes can be captured by analyzing the semantic direction change trend, the relation between the semantic turning nodes and verb and noun combinations is judged, the position of a trigger point of an actual information transfer effect is extracted, and the break point area of a semantic path is recognized through the positioning of key word starting and stopping blocks and the logical judgment of noun group cross combination; the path integrity has a clear fracture identifier, a traceable semantic mapping structure path is established in a language model, and the accuracy, coherence and hierarchy clearness of semantic reconstruction are enhanced.
Owner:BEIJING SHENZHOU BANGBANG TECH SERVICE CO LTD

Safety control method based on knowledge graph

The invention discloses a safety control method based on a knowledge graph, and belongs to the field of safety control, and the method comprises the following steps: crawling various types of data according to keywords through a crawler program to construct a fireproof database; carrying out semantic analysis on data in the fireproof database by using a natural language processing technology, and carrying out data processing on the fireproof database after semantic analysis through word vector modeling and entity relationship extraction; constructing an internal large-scale language model by using the processed fireproof database, and performing hierarchical clustering on the internal large-scale language model by adopting a Leiden technology; establishing a multi-dimensional mapping model based on historic building spatial features, cultural relic features and disaster-inducing factors in a hierarchical clustering result, and constructing a multi-modal dynamic association fireproof knowledge graph by using a knowledge graph technology based on the multi-dimensional mapping model; and dynamically selecting a search mode based on a user query keyword, and generating a security control result according to the query keyword based on the search mode.
Owner:SHANXI NETCHINA INFORMATION IND CO LTD

Teaching material knowledge graph construction method based on large language model

The invention relates to a method for constructing a subject textbook knowledge graph by using a large language model, and the method is realized through six steps: firstly, introducing a self-prompt framework, generating relation synonyms, synthesizing samples and sentence variants through three rounds of dialogues, and providing rich semantic guidance for subsequent relation extraction; secondly, guiding a large language model to accurately extract core knowledge point entities from teaching materials, exercises and PPT texts by means of a professional field instruction template; then, respectively extracting an attribute triple and a relation triple of the knowledge points by applying a multi-round dialogue mode and combining with a synthetic sample prompt; then, inputting the extracted triad into a verification module, and ensuring the accuracy through iterative verification; and finally, generating an entity embedding vector by utilizing an MPNet model subjected to subject knowledge fine adjustment, calculating entity similarity through a dynamic weighted pooling mechanism, judging entity pairs with high similarity, performing knowledge fusion if the entity pairs represent the same concept, and otherwise, reasoning a potential missing relationship and complementing the knowledge graph. According to the method, the knowledge graph of the course of the specific subject can be automatically constructed from the unstructured text efficiently and accurately, and powerful support is provided for teaching and learning of related subjects.
Owner:SOUTHEAST UNIV

Relation extraction method and system based on graph neural network

The invention discloses a relation extraction method and system based on a graph neural network, and belongs to the technical field of natural language processing. A target text is obtained, word segmentation, part-of-speech tagging and named entity recognition are carried out, and an entity set is extracted; constructing a text graph structure containing multiple edge types based on the entity set; performing feature coding on nodes in the graph to generate an initial feature vector fusing semantic, part-of-speech and position information; inputting the graph into the graph neural network model, and obtaining high-order node representation through multi-layer message passing and aggregation; modeling the entity pair in combination with the structure path and the context information, and inputting a multi-channel classification network to predict the relationship type of the multi-channel classification network; and finally, outputting an entity relationship triple according to a prediction result. The method has stronger semantic modeling ability and structure expression ability in a relation extraction task, and is suitable for scenes such as knowledge graph construction and information extraction systems.
Owner:CHANGCHUN GUANGHUA UNIV

Clothing style 3D intelligent simulation generation method based on model library

The invention discloses a 3D intelligent simulation generation method for clothing styles based on a model library, and relates to the technical field of digital twinning, and the method comprises the steps: carrying out the entity relation extraction and semantic mapping of multi-source clothing data, constructing a cross-modal knowledge graph, and extracting a physical constraint rule of the cross-modal knowledge graph; performing association reasoning and cross validation on the physical constraint rule and the version library to obtain a basic version template set; inputting the basic model template set into an intelligent clothing model, performing structured feature decoupling by the parameter analysis layer, dynamically adjusting a topological structure by the geometric generation layer, and generating 3D simulated clothing; and carrying out digital modeling on the basic model template set through a digital twinning algorithm, constructing a digital twinning body, carrying out physical simulation and optimization verification on the 3D simulation clothing by using the digital twinning body, and outputting a clothing style 3D simulation scheme. According to the invention, by constructing the pattern library and the intelligent garment model, the efficiency, accuracy and individuation level of garment 3D simulation generation are improved.
Owner:JIANGSU SHUNTIAN YISHANG TECHNOLOGY CO LTD

Multi-modal fusion analysis method and system for test data

The invention belongs to the field of multi-modal data processing, and particularly relates to a multi-modal fusion analysis method and system for test data, and the method achieves the intelligent analysis of real-time multi-dimensional demand data through constructing a bidirectional multi-modal constraint generation model and fusing multi-modal reasoning generation, forward logic constraint and reverse causal constraint sub-models. Wherein the forward logic constraint sub-model constructs a forward constraint hierarchical reasoning association node network through entity-relation extraction and a graph algorithm based on a test standard criterion and a historical constraint sequence, and generates a forward logic constraint set in combination with a depth index algorithm; the reverse causal constraint sub-model constructs a combined conflict value through modal reasoning accuracy, performs conflict tracing and adjustment in combination with a cross-modal conflict threshold, and generates a reverse causal constraint set; the two constraint sets are fused through a multi-modal reasoning generation sub-model, a target generation demand text meeting the confidence coefficient requirement is finally generated, and intelligent analysis of clinical test data is achieved.
Owner:NANJING CONGYI MEDICAL CONSULTING CO LTD

Electronic medical record LLM generation method based on animal injury

The invention discloses an electronic medical record LLM generation method based on animal injury, which realizes dialogue structuring and timestamp synchronization through multistage speech recognition and role affiliation. Using standardized medical term mapping and coding to align the free text to a standardized medical entity, and constructing a high-confidence medical entity network based on a semantic anchor point pool; according to the method, context-sensitive entity relationship extraction is realized by combining a large language model and a semantic enhancement template, a high-accuracy structured relationship chain is generated through clinical logic rule set verification, and finally, an electronic medical record template under diagnosis and treatment specifications is automatically filled and privacy desensitization processing is completed. The semantic consistency, the structural accuracy and the data security of automatic generation of the electronic medical record are improved, and standardization and intelligent circulation of medical information are effectively promoted.
Owner:GUANGZHOU WUCHUAN ELECTRONIC TECHNOLOGY CO LTD +1

Construction method of bilingual vocabulary data knowledge graph

The invention relates to the technical field of vocabulary data, in particular to a construction method of a bilingual vocabulary data knowledge graph. The method comprises the following steps: acquiring a vocabulary database; performing data vocabulary preprocessing on the vocabulary database to obtain unstructured vocabulary data; performing nested relationship extraction according to the unstructured vocabulary data to obtain semi-structured vocabulary data; performing label analysis on the semi-structured vocabulary data to obtain initial vocabulary data; performing context coding on the initial vocabulary data by using a preset BERT model to obtain a vocabulary embedding vector; therefore, by introducing a multi-step collaborative mechanism of context coding, cross-language alignment and graph semantic mapping, the technical problems of incomplete structure, semantic disjunction, poor language transformation ability and the like of a traditional vocabulary construction method are solved, and the automatic construction ability and expression depth of a multi-language semantic knowledge system are improved.
Owner:HAINAN VOCATIONAL COLLEGE OF SCI & TECH

Power plant metal supervision entity relationship extraction method based on dual coding

The invention belongs to the technical field of new-generation information, and particularly relates to a power plant metal supervision entity relationship extraction method based on dual coding, which comprises the following steps: multi-modal data preprocessing: collecting and cleaning data, and carrying out data labeling; constructing a dual coding joint learning model: designing a network layer architecture, and training the dual coding joint learning model; constructing and querying a dynamic knowledge graph: extracting a model to generate a triple, and performing time sequence evolution analysis, causal reasoning interface and dynamic updating; and incremental knowledge updating and dynamic model optimization: an incremental learning and feedback module forms a bidirectional closed loop between the knowledge graph and the relationship extraction model, and continuous evolution of the system is ensured through dynamic knowledge updating and adaptive model optimization. According to the method, through bidirectional feature modeling of dual paths, collaborative representation optimization between entities and relationships is realized while context information is captured, so that the requirements of complicated data types and diversified semantic associations in an engineering scene are met.
Owner:DONGFANG ELECTRIC CHENGDU INTELLIGENT TECH CO LTD +1

Grid-connected scheduling management method, device and equipment constructed in combination with knowledge graph, and medium

PendingCN121504054AForecastingKnowledge representationPropagation of uncertaintyCausal reasoning
The invention relates to a grid-connected scheduling management method and device constructed in combination with a knowledge graph, equipment and a medium. According to the method, a comprehensive data set is constructed by integrating multi-source data such as new energy output, power grid topology, load, weather and historical fault records, and then a dynamic knowledge graph is formed by using entity recognition and relation extraction technologies; a probability causal graph model is constructed by extracting a causal path and adding probability parameters, and uncertainty propagation intensity is quantified in combination with a sequence diagram neural network; on the basis of a propagation model, risk index conditional probability is calculated by adopting probability causal reasoning, and a fault propagation sequence is simulated through a cascade failure theory to realize multi-level risk assessment; based on a multi-objective optimization model and deep reinforcement learning, an adaptive scheduling strategy is generated, a complete technical closed loop from data fusion and causal reasoning to intelligent decision is realized, and the technical effects of describing a new energy uncertainty propagation path, prospectively evaluating a power grid risk situation and dynamically generating an optimal grid-connected scheduling scheme are achieved.
Owner:STATE GRID INNER MONGOLIA EASTERN ELECTRIC POWER CO LTD TONGLIAO POWER SUPPLY CO +1

Knowledge question-answering method and system based on topic knowledge graph retrieval enhancement

The invention discloses a knowledge question-answering method and system based on topic knowledge graph retrieval enhancement, and the method comprises the steps: firstly extracting a local topic represented in a triple form based on an original document through employing a large language model, carrying out the clustering, and generating a global topic triple set representing the global perspective of the whole document; secondly, on the basis of the global topic triple set, topic-guided entity and relation extraction is adopted, and a mixed knowledge graph is constructed; secondly, providing a semantic perception personalized PageRank algorithm, matching query semantics with semantics of edges in the mixed knowledge graph, and dynamically adjusting the weight of score propagation between nodes; and finally, designing a three-level progressive retrieval mechanism, retrieving multi-level information related to user query from the mixed knowledge graph, and inputting the multi-level information into the large language model to generate a final answer. According to the method, the semantic integrity and retrieval precision of the knowledge graph are remarkably improved, and the accuracy, comprehensiveness and enabling performance of generated answers are ensured.
Owner:HANGZHOU DIANZI UNIV

Management decision-making method and system based on knowledge base construction technology

ActiveCN121189864AFinanceKnowledge based modelsCausal effectManagerial decision
The invention discloses a management decision-making method and system based on a knowledge base construction technology. The method comprises the following steps: performing sequential relationship extraction on multi-source financial data to obtain a sequential relationship set related to query content; constructing an event-entity incidence matrix corresponding to the time sequence relation set; according to the time sequence relation set and the event-entity incidence matrix, constructing a dynamic knowledge graph; determining causal effect parameters in the causal graph structure by adopting a dual machine learning model; constructing a structural causal model according to the causal graph structure and the causal effect parameters; and generating an anti-fact prediction result by using the structural causal model, and generating a decision scheme corresponding to the query content based on the anti-fact prediction result. The technical problem that decision information including accurate causal basis and prospective simulation information cannot be generated due to the fact that the causal relationship between financial data is difficult to determine and the intervention effect cannot be dynamically deduced in a related management decision method is solved.
Owner:BANK OF BEIJING

Intelligent knowledge question-answering method, device and equipment and storage medium

The invention provides an intelligent knowledge question-answering method, device and equipment and a storage medium, and the method comprises the steps: carrying out the information recognition of a financial question uploaded by a user, extracting a terminology, a financial entity, a question type and a visual demand, and converting the financial question into a structured query intention expression; retrieving text content and visual information in a financial knowledge base according to the query intention, and performing multi-modal fusion to form a financial knowledge packet; applying a double attention mechanism to the visual information, extracting key area features and key attribute features through a space attention network and a channel attention network, and integrating to obtain fusion features; and finally, according to the fusion features and the text content, establishing a corresponding relationship, extracting high-correlation information fragments, performing knowledge reasoning and compliance processing, and generating a multi-modal financial answer. According to the method, complex multi-modal information in the financial field can be effectively processed, professional and accurate answers meeting supervision requirements are provided, and the method is suitable for various financial consultation and decision support scenes.
Owner:SHENGYE INFORMATION TECH SERVICE (SHENZHEN) CO LTD

Intelligent construction and tracing method and device of attack graph

The invention discloses an intelligent construction and tracing method and device for an attack graph, and relates to the technical field of network security. The method comprises the steps of performing semantic analysis and entity relationship extraction on a multi-source heterogeneous security log according to a predefined structured security data model, and generating a standardized security entity relationship triple set; based on the set, taking an entity in an initial alarm as a starting point, and adopting an iterative closed loop driven by a large language model to dynamically construct an attack graph; and carrying out attack technique and tactics mapping and threat attribution based on the final map, and generating a response strategy of priority ranking. According to the method, automatic and high-precision source tracing and response of the attack chain are realized, and the problems that the prior art depends on static rules and semantic segmentation and lacks dynamic reasoning capability are effectively solved.
Owner:BEIJING CHAITIN TECH CO LTD

Medical text privacy information extraction and encryption method and system, terminal and medium

The invention relates to the field of medical data management, and particularly provides a medical text privacy information extraction and encryption method and system, a terminal and a medium, and the method comprises the steps: extracting an entity from a medical text by using a natural language processing technology; inputting the medical text and the extracted entities into a pre-trained relationship extraction model based on a neural network, obtaining relationships among the entities, and generating an entity relationship triple; preliminarily screening a privacy candidate set according to the sensitive library and the association rule, and performing semantic verification on the candidate set by using the privacy recognition model to realize secondary screening to obtain a final privacy candidate set; according to the entities in the final privacy candidate set, noise is added to the corresponding entities in the medical text by using a differential privacy technology, and the medical text with noise disturbance is generated; and performing homomorphic encryption on the triple in the final privacy candidate set and then storing the triple. The privacy identification accuracy is improved, and the false alarm rate is reduced.
Owner:INSPUR YUNZHOU (SHANDONG) IND INTERNET CO LTD

AI intelligent matching method based on knowledge graph

The invention relates to the technical field of intelligent recommendation, and discloses an AI intelligent matching method based on a knowledge graph, and the method comprises the steps: constructing a quaternary knowledge graph containing a time dimension; identifying legal entities and semantic relationships by adopting an entity identification and relationship extraction technology; multi-level semantic features are extracted through a two-layer progressive semantic matching algorithm of a grammar layer, a semantic layer and a reasoning layer; constructing lawyer ability portraits based on a heterogeneous graph neural network and a time sequence perception graph convolution technology; progressive matching calculation is adopted, the optimal matching weight is learned through a multi-layer attention mechanism, and dynamically optimized intelligent matching is achieved. The technical problems of cold start, insufficient semantic understanding ability and poor timeliness processing ability in the existing legal consultation matching system can be solved, and the matching precision and the user satisfaction are improved.
Owner:GUANGXI LUXIN TECHNOLOGY CO LTD

Multi-source heterogeneous data fusion analysis method and system

The invention provides a multi-source heterogeneous data fusion analysis method and system, and relates to the technical field of data processing. The method comprises the following steps: acquiring multi-source heterogeneous event knowledge, and extracting entity information and attribute information of multi-source heterogeneous data; fusing the attribute information, constructing a multi-label classification model, and extracting a sequential relationship of the multi-source heterogeneous data through the multi-label classification model; a time sequence label is added to the time sequence relation, and then an initial knowledge graph of the multi-source heterogeneous data is constructed; obtaining an entity time sequence state sequence of the multi-source heterogeneous data through the initial knowledge graph and the entity information; extracting features of the entity time sequence state sequence; and processing the characteristics of the entity time sequence state sequence to update the initial knowledge graph to obtain the time sequence knowledge graph of the multi-source heterogeneous data. Massive and diversified knowledge is organized and expressed orderly, uniformly and associatively through an entity and attribute extraction technology of multi-source heterogeneous information, a time sequence multi-label relation extraction technology and a time-space big data standardization expression technology.
Owner:AEROSPACE INFORMATION RES INST CAS

Judicial data security sharing and tracing method based on block chain technology

The invention discloses a judicial data security sharing and tracing method based on a block chain technology, and the method comprises the following steps: S1, initializing a block chain network, generating a node reputation value, and binding an identity label; s2, constructing a double-chain structure, storing the encrypted data, recording an access behavior, and establishing a cross-chain index mapping relationship; s3, extracting identity information of an access subject, executing attribute encryption, writing in a data link, and synchronizing a cross-chain index; s4, after an access request is received, permission verification is completed through the smart contract, and a behavior record abstract is generated; s5, binding the behavior abstract and judicial data through a cross-chain index, and recording the behavior abstract and the judicial data to a behavior chain to form a complete on-chain behavior record; s6, calling a zero-knowledge cross-chain protocol to verify data consistency, and completing document transmission according to a joint permission strategy; and S7, tracking all access records through a behavior chain, wherein the whole transmission process is traceable. According to the invention, safe sharing of judicial data, authority control and behavior tracing are realized.
Owner:ZHEJIANG FAYI TECHNOLOGY CO LTD

Knowledge extraction algorithm suitable for knowledge graph in intelligent operation and maintenance field

The invention relates to the technical field of knowledge graph application, and discloses a knowledge extraction algorithm suitable for a knowledge graph in the intelligent operation and maintenance field, and the algorithm comprises the steps: obtaining historical record data in an operation and maintenance process as original data; carrying out key entity extraction on the original data by adopting an entity recognition model based on BERT-BiGRU-CRF, and carrying out synonym processing to carry out data enhancement to obtain a target entity; connecting the key entities to form triple information by adopting a relationship extraction method based on an artificial rule; establishing an operation and maintenance knowledge graph ontology model by utilizing a Protege ontology construction tool; and carrying out fusion disambiguation on fuzzy data and repeated data in the knowledge graph ontology model to obtain a target knowledge graph model. According to the method, key entities are extracted, synonym processing is carried out, data are enhanced, an ontology model is built, fuzzy and repeated data are fused and disambiguated, solid knowledge support is provided for fault diagnosis and predictive maintenance in intelligent operation and maintenance, and the efficiency and accuracy of intelligent operation and maintenance are improved.
Owner:SUZHOU JILIANKE IOT TECH CO LTD

Joint entity relation extraction method based on semi-supervised learning and large language model

The invention discloses a combined entity relationship extraction method based on semi-supervised learning and a large language model. The system comprises three modules, namely a data enhancement module, a semi-supervised joint extraction module and a large-scale language model fine adjustment updating module. The data enhancement module (1) is used for implementing a double enhancement strategy on unmarked data, weak enhancement retains syntactic structures and topological features of entities and relationships, and strong enhancement adopts a large language model which is finely adjusted in advance to generate semantic equivalent disturbance; (2) a semi-supervised joint extraction module which obtains a preliminary extraction model through training of marked data, and then generates prediction on unmarked data based on the preliminary extraction model; (3) a large-scale language model fine-tuning updating module which realizes parameter-efficient large-scale language model fine-tuning by using low-rank self-adaption and dynamically adjusts through a semi-supervised extraction result; and (4) fusing prediction results of the three modules to obtain a final joint extraction model. According to the method, semi-supervised learning, a large language model and joint entity relation extraction are creatively combined, the problem of scarcity of artificial label data in the professional field of an existing joint entity relation extraction method is solved, more efficient information extraction is provided, and therefore the overall performance of a joint extraction model is improved.
Owner:NANJING TECH UNIV

Supply chain financial heterogeneous data cleaning and fusion processing system

The invention discloses a supply chain finance heterogeneous data cleaning and fusion processing system, and relates to the technical field of supply chain finance data management, and the system comprises a heterogeneous data processing platform which is in communication connection with the following modules: a data obtaining module which is used for obtaining heterogeneous data from each participant of supply chain finance, comprising structured data, semi-structured data and unstructured data, and preprocessing the obtained multi-source heterogeneous data; and the knowledge graph construction module is used for performing semantic annotation on entities and relationships in the heterogeneous data and constructing a supply chain finance knowledge graph model. According to the method, modeling is carried out through semantic annotation and relation extraction, the incidence relation between heterogeneous data is defined, then semantic alignment and fusion processing are carried out, data from different sources are mapped into a unified knowledge graph framework, the accuracy and reliability of data fusion are improved, and deeper data insight is provided for supply chain financial services.
Owner:GUANGDONG SHUNYIN IND FINANCE INVESTMENT CO LTD

Intelligent decision framework construction method and device based on dynamic ontology

The invention relates to the technical field of intelligent decision rule base construction, and discloses an intelligent decision framework construction method and device based on a dynamic ontology. The method comprises the following steps: acquiring original data streams from a plurality of heterogeneous data sources in real time, and constructing an initial dynamic ontology structure through a dynamic ontology modeling unit; performing semantic annotation and relation extraction on the original data flow by using the structure to generate semantic enhanced data; generating a candidate decision rule set based on the semantic enhancement data, and obtaining a verified rule set through consistency verification and conflict detection; calculating the adaptability score of the verified rule set in combination with the real-time environment data, and screening out an optimal decision rule subset according to the score and a preset threshold value; the method is integrated into an intelligent decision rule base, and an optimization loop is triggered based on an update state of the base. According to the method, the data utilization efficiency and the rule quality are improved, the rule base can dynamically adapt to the environment, and decision effectiveness and reliability are enhanced.
Owner:杭州亚古科技有限公司

Method, system and equipment for constructing integrated digital model of full-motion simulator and medium

The invention discloses a method, a system, equipment and a medium for constructing an integrated digital model of a full-motion analog machine, and belongs to the field of analog machines. The method is suitable for constructing the digital model based on the unstructured heterogeneous data, and obtains the structured text information set from the document through the named entity recognition and relation extraction technology by obtaining the three-dimensional geometric model and the unstructured technical document of the full-motion simulator. And a three-dimensional model is combined to jointly construct a heterogeneous knowledge graph containing two types of nodes representing technical entities and three-dimensional parts. And link prediction is performed on the graph by using a graph neural network, so that a target edge representing deep implicit association between the text information and the three-dimensional part can be inferred. The target edges are updated to the atlas, and all complete technical information associated with the parts is bound to the corresponding three-dimensional geometric model, so that an all-moving simulator integrated digital model with complete information is generated, and the digital model construction efficiency and the model information association degree can be improved.
Owner:CHINA SOUTHERN TECHNOLOGY (GUANGDONG HENGQIN) CO LTD +1

Multi-modality-based minority non-abandoned pattern knowledge graph construction method and multi-modality-based minority non-abandoned pattern knowledge graph construction system

The invention discloses a multi-modality-based minority non-abandoned pattern knowledge graph construction method and system, and relates to the technical field of cultural heritage digital protection. Deep association of multi-modality knowledge is realized through a double-path entity relationship extraction mechanism, context semantics are coded by a text path by utilizing a pre-training language model, and a multi-modality knowledge graph is constructed; the method comprises the following steps: accurately extracting entities such as a pattern and an inheritor, a semantic relationship and a visual path, analyzing a pattern topological structure through a graph convolutional network, converting visual features such as lines and contours into structured relationship data, calculating cosine similarity of a text and a visual feature vector through comparative learning, establishing cross-modal mapping of the visual features and culture description, and obtaining a visual feature model; according to the mechanism, the knowledge graph simultaneously contains semantic logic and visual feature association, and construction of a complete knowledge chain from a pattern form to cultural connotation is realized.
Owner:NORTHEAST FORESTRY UNIV

Digital archive intelligent processing method, storage medium and system

The invention relates to a digital archive intelligent processing method, a storage medium and a system, which are suitable for multi-source heterogeneous archive management scenes such as colleges and universities. The method comprises the following steps of: classifying structured and unstructured data such as paper archive scanning pieces and database views, and extracting metadata and entity information by adopting a scanning and OCR (Optical Character Recognition) technology; a complex table and document content are analyzed through a model, semantic analysis (entity recognition, relation extraction and event abstract) is achieved in combination with a language model of a Transform architecture, and a structured report containing a data abstract, an entity relation graph and abnormal annotations is generated. The system is internally provided with a parameter template automatic generation module, supports cross-page content continuous restoration and sensitive data encryption desensitization, and realizes safe sharing through an API interface. The method solves the problems of low efficiency, difficulty in multi-source data fusion and the like of traditional archive processing, improves the automation level and data value mining capability of archive management, and is suitable for intelligent upgrading of complex archive scenes.
Owner:CHINA AGRI UNIV

Document element rapid extraction system based on pre-training large model

The invention provides a document element rapid extraction system based on a pre-trained large model, and relates to the technical field of computer software application, the system comprises a parameter field adaptation module used for textualizing a document and constructing an industry standard corpus based on a textualized processing result, adjusting a preset language model by utilizing an industrial standard corpus; the dynamic document partitioning module is used for performing semantic segmentation processing on the industrial standard document to obtain a plurality of text blocks; the entity alignment module is used for carrying out entity and relation extraction on the text blocks and carrying out entity alignment in combination with a uniform manifold approximation and projection method; and the relation reasoning and knowledge graph completion module is used for performing completion processing on the preliminary knowledge graph and storing a completion result. According to the method, the element extraction efficiency can be directly improved without pre-defining a rule template or performing data annotation.
Owner:ANHUI BIAOXINCHA DATA TECH CO LTD

Supplier matching method and system based on multi-source heterogeneous data fusion

The invention discloses a supplier matching method and system based on multi-source heterogeneous data fusion, and relates to the field of building engineering collection analysis, and the method comprises the steps: carrying out the feature analysis of a purchase demand text, and generating a structured purchase demand vector; dynamically adjusting the weight of the key index in the supplier portrait based on multi-source data fusion and historical time sequence prediction; selecting a feature mapping relation in combination with engineering types, extracting Top-K portrait indexes most relevant to demands, and performing weighted aggregation on key portrait indexes in the same supplier to generate exclusive representation vectors thereof; and finally, through similarity calculation of the vector and a purchase demand vector, high-precision candidate supplier screening is realized.
Owner:CCCC(XIAMEN)INFORMATION CO LTD

Retrieval method based on semantic enhancement knowledge graph

The invention discloses a retrieval method based on a semantic enhanced knowledge graph, which relates to the technical field of information, and comprises the following steps: receiving a natural language query of a user, and carrying out deep analysis on the query, including named entity recognition and linking, relationship extraction and query intention classification; and based on an analysis result, extracting a related local sub-graph from the knowledge graph, generating a query context vector, and generating dynamic semantic embedding for the sub-graph through a query-perceived graph attention network to obtain a dynamic enhanced semantic graph. According to the retrieval method based on the semantic enhancement knowledge graph, the retrieval precision and the recall rate are remarkably improved, the limitation of static knowledge representation is solved through a dynamic semantic enhancement mechanism of query intention perception, so that the local semantic representation of the knowledge graph is highly aligned with the query intention of a specific user; and the ability of understanding and answering complex, fuzzy, ambiguous and multi-hop queries is improved.
Owner:ZHEJIANG GONGSHANG UNIVERSITY

Data AI analysis management method and system based on production element association map

The invention relates to a data AI analysis management method and system based on a production element association map. The method comprises the steps that a multi-source heterogeneous production data flow covering the whole industrial production cycle is obtained; constructing a whole-process production element association map through an entity recognition and relationship extraction technology; actual operation indexes of the production nodes are calculated in real time and compared with a reference threshold value, and potential production bottleneck nodes are accurately recognized; upstream associated node data are backtracked, historical data in the same period are combined to be input into the bottleneck root cause diagnosis model, and core influence factors are accurately obtained; generating an optimal scheduling strategy according to the core influence factors and issuing the optimal scheduling strategy to a production execution system; according to the scheme, the multi-source heterogeneous data of the whole period of industrial production can be effectively analyzed and managed, accurate regulation and control of the production process are achieved, and the production efficiency and the product quality are improved.
Owner:深圳市前海文仲信息技术有限公司