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111 results about "Metaknowledge" patented technology

Metaknowledge or meta-knowledge is knowledge about a preselected knowledge. For the reason of different definitions of knowledge in the subject matter literature, meta-information may or may not be included in meta-knowledge. Detailed cognitive, systemic and epistemic study of human knowledge requires a distinguishing of these concepts.

Intelligent exploratory data mining system

The invention relates to the technical field of data mining, and discloses a feasibility research data intelligent mining system which comprises a heterogeneous data acquisition module, a semantic association analysis module, a decision map generation module, a time sequence feature correction module and a knowledge distillation optimization module. The heterogeneous data acquisition module captures data features through a multi-source data sensing node and a dynamic dimension fusion network and constructs a multi-layer topology; the semantic association analysis module analyzes semantic association by using a concept topology modeling unit, a knowledge vector clustering unit and a multi-mode switching link; the decision graph generation module generates a core decision reference framework based on strategy optimization nodes and a rule inference engine; the time sequence feature correction module performs time sequence correction and noise compensation on the semantic association; and the knowledge distillation optimization module detects the deviation through the entity relationship evaluation network and feeds back the optimization decision framework. The system realizes multi-source data intelligent acquisition, semantic dynamic analysis and decision graph adaptive generation, and improves the accuracy and efficiency of feasibility research data mining.
Owner:ZHONGMING ENGINEERING DESIGN CONSULTING CO LTD

Energy-saving optimization method for electric energy storage device

The invention relates to the technical field of power supply devices, in particular to an energy-saving optimization method for an electric energy storage device, and the method comprises the steps: fusing a lithium ion battery solid-liquid phase change kinetic equation, a flow battery fluid mechanics equation and a flywheel rotor rigid-flexible coupling equation through a neural differential equation; constructing a dynamic meta-knowledge base containing cross-time scale nonlinear interaction features; performing dynamic parameter compensation on the polarization voltage hysteresis effect and the electrolyte flow resistance coupling effect by using a physical information neural network to generate a decoupled residual feature vector; according to the method, multi-physics field coupling modeling is achieved through the dynamic meta-knowledge base, and the energy efficiency optimization effect of the energy storage device is improved by combining the physical information neural network and the quantum optimization algorithm.
Owner:HUANENG SHANXI COMPREHENSIVE ENERGY CO LTD SHANXI PROVINCE +3

Rule base dynamic construction method and device based on large language model and medium

The invention discloses a rule base dynamic construction method and device based on a large language model and a medium, and relates to the field of rule base construction.The method comprises the steps that on the basis of a preset layered template structure, meta-knowledge injection is conducted through a field knowledge graph corresponding to standard data, and dynamic cue words are generated; outputting a corresponding semantic triple through the large language model, and performing semantic enhancement on the semantic triple; performing symbolization processing and vectorization processing to obtain a rule vector, and generating a corresponding specified rule; and locally and dynamically updating the rule subset in the rule base through data updating of an external specified knowledge base, and dynamically updating the rule weight of the specified rule determined through the confidence coefficient. Through deep collaboration of the large language model and the symbol system, a logic verification layer is introduced through local dynamic updating to carry out formalized constraint on a large language model generation result, and the rule logic completeness is ensured while the generation capability is reserved.
Owner:INSPUR GENERSOFT CO LTD

Multi-mode perception and interaction method and device in personal environment

The invention relates to the technical field of artificial intelligence and robots. According to the multi-modal perception and interaction method and device in the body environment, the method comprises the steps that environment entropy estimation processing is carried out through a dynamic weighting multi-modal feature fusion algorithm, and an environment entropy value representing the disorder degree of the environment is generated; performing cross-modal alignment processing to generate a fusion environment understanding map; performing dynamic decision processing through the task adaptive reinforcement learning model to generate an interaction instruction; driving an execution mechanism to execute the interaction action to obtain an execution result of the interaction action; carrying out dynamic adjustment processing on the weight of the environment entropy value to generate an updated environment entropy weight; and performing local knowledge node incremental updating processing on the meta-knowledge base to generate an optimized meta-knowledge base so as to solve the problems of insufficient consistency of cross-modal data and poor environmental understanding robustness caused by large distribution deviation between virtual features generated by a generation model in a noise or data missing scene and a real environment in related technologies.
Owner:ZHONGBEI UNIV

Multi-agent collaborative data question-answering system and method based on large model

The invention relates to the technical field of artificial intelligence, and discloses a multi-agent collaborative data question-answering system and method based on a large model, and the system comprises an agent cluster module which is composed of five special agents, namely a data question-answering agent, a data extraction agent, a data analysis agent, a visualization agent and a quality examination agent, and achieves the task decomposition and collaborative execution through dynamic scheduling; the knowledge management module comprises a business knowledge base, a data element knowledge base and a user feedback base, and adopts a hierarchical knowledge fusion technology to provide domain knowledge support for the intelligent agent; and the supporting function module covers a front-end dialogue component and a verification and execution engine and is responsible for interactive interface rendering and result reliability verification. According to the method, the fine tuning requirement on the large model is remarkably reduced, the illusion of the large model is effectively intercepted through a dual verification mechanism, and the accuracy and reliability of question and answer results are improved.
Owner:PANGU CLOUD CHAIN (TIANJIN) DIGITAL TECH CO LTD

Question and answer model training method oriented to specific field and intelligent question and answer method and device

The invention provides a question and answer model training method and device and an intelligent question and answer method and device for a specific field, and relates to technologies such as large models, model training and deep learning in the field of artificial intelligence and the technical fields such as intelligent search and intelligent question and answer. According to the specific implementation scheme, corpus data of a specific field are obtained; meta-knowledge question and answer data are constructed based on the corpus data through a first model, and the meta-knowledge question and answer data comprise meta-questions and answers corresponding to the meta-questions; based on the meta-knowledge question-answer data, domain knowledge training is carried out on the to-be-trained question-answer model; on the basis of the meta-knowledge question and answer data, a semantic-related question set is constructed for the meta-questions, and structured reasoning training data is generated through a second model on the basis of the question set of the meta-questions; and based on the structured reasoning training data, performing reasoning ability enhancement training on the question and answer model to be trained after domain knowledge training. The question and answer performance of the model in the vertical field can be remarkably improved.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD

Small sample capacity training method based on deep learning

The invention relates to the technical field of deep learning and small sample learning, in particular to a small sample capacity training method based on deep learning, which comprises the steps of 1, cross-domain data adaptation and feature alignment, 2, meta-knowledge distillation and prototype enhancement, 3, attention-guided small sample fine adjustment, and 4, model uncertainty quantification and iterative optimization. According to the small sample capacity training method based on deep learning, through cross-domain feature alignment, meta-knowledge distillation, prototype enhancement and dynamic iterative optimization, the problems of model overfitting and weak generalization ability in a small sample scene are solved, high-precision model training when the sample size is less than or equal to 50 is realized, and the training efficiency is improved. The method is suitable for data scarce scenes such as medical images and minority language processing.
Owner:SUZHOU JIELIXUN INTELLIGENT TECHNOLOGY CO LTD

Marketing content generation method and system based on big data

The invention discloses a marketing content generation method and system based on big data, and relates to the technical field of big data processing and artificial intelligence, and the system comprises a multi-source data collection and fusion module which is used for receiving original multi-source data from different behavior sources, content sources and business scene sources, and performing structured processing, time relationship coordination and feature fusion on the original multi-source data to generate a fused portrait data set for describing the relationship between the user and the product. In the invention, through the multi-source data acquisition and fusion module, deep integration of heterogeneous multi-source data and unified representation of multi-modal features are realized, a high-quality data basis is provided for subsequent knowledge graph construction and content generation, and the problems of isolated island and insufficient feature utilization of traditional marketing data are solved; through a ternary knowledge graph construction module, information such as users, products, scenes and the like is constructed into a structured knowledge graph, and the semantic understanding ability and relevance of content generation are greatly enhanced.
Owner:SHAANXI WEINA MEDIA CO LTD

Question and answer method and system combining large language model and knowledge graph

The invention discloses a question and answer method and system combining a large language model and a knowledge graph, and relates to the field of question and answer, and the method comprises the steps: determining corresponding meta-knowledge based on a meta-knowledge base according to a retrieval question, and the meta-knowledge comprises knowledge description, query actions and question entities; the meta-knowledge base comprises a knowledge graph; the meta-knowledge and short-term memory are combined to obtain cue word information, then a large language model is adopted to execute a query action and complete current reasoning, and an obtained response result is evaluated to obtain a reward score; if the reward score does not meet the preset condition, generating reflection correction information according to the response result, respectively storing the reflection correction information and the cue word information into a long-term memory and a short-term memory to realize data updating, updating the meta-knowledge base based on the updated long-term memory, and then executing the next round of reasoning; and if the reward score meets a preset condition, marking the response result as a question and answer result. The knowledge graph-based question and answer accuracy can be improved.
Owner:HANGZHOU DIANZI UNIV

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

Text factuality proofreading method and system, electronic equipment and medium

The invention provides a text factuality proofreading method and system, electronic equipment and a medium. The method comprises the steps that a to-be-corrected text input by a user is acquired; based on a retrieval enhancement generation technology, recalling reference information related to the text to be corrected from a pre-constructed multivariate knowledge base; filling the text to be corrected and the reference information into a target template; and correcting factual errors existing in the text to be corrected by using the trained large language model according to the reference information filled in the target template. According to the method, reference information supplemented by the multivariate knowledge base and excellent semantic comprehension and analysis capabilities of the large language model are utilized, so that the text proofreading accuracy is remarkably improved; by cooperating with knowledge resources of the multivariate knowledge base, the accuracy and comprehensiveness of fact retrieval are improved; according to the method, the dependence on rules is avoided, text factual proofreading can be intelligently and accurately carried out, the false alarm rate is effectively reduced, and the text proofreading efficiency and quality are improved.
Owner:北京蜜度信息技术有限公司

Cross-bearing single sample intelligent diagnosis method based on cognitive guidance and Riemannian manifold

The invention relates to a cross-bearing single sample intelligent diagnosis method based on cognitive guidance and Riemannian manifold, and belongs to the technical field of rotating machinery fault diagnosis. Aiming at the problems of insufficient global task distribution learning ability, small sample over-fitting, Euclidean modeling limitation and the like of the existing meta learning method in a cross-domain single-sample scene, a cognitive guidance Riemannian meta learning framework is provided. According to the technical scheme, the method comprises the following steps: 1) constructing cognitive prototype learning global task distribution, and guiding a model to extract high-quality general meta-knowledge from multiple tasks; 2) designing a cognitive adaptive factor to dynamically adjust source domain memory, enhancing target domain adaptation and reducing single sample deviation; and 3) introducing a Riemann metric driving strategy, mapping the data to a Grassmann manifold space, and enhancing the non-linear feature discrimination ability by using geodesic distance. According to the method, the average diagnosis accuracy in a cross-bearing single sample task reaches 93.46% and is improved by 10.04% compared with an existing optimal method, and the accuracy and generalization ability under complex working conditions are improved.
Owner:CHONGQING UNIV

A Method for Enhancing NL2SQL Questions Driven by Multivariate Knowledge Linkage

The present invention belongs to the technical field of power natural language data question answering, and specifically relates to a method for enhancing NL2SQL questions driven by multi-source knowledge links. The method includes: constructing a power data schema using database table information and sorting out power domain knowledge; constructing a question parsing Prompt template and using a large language model to analyze the structure of the original question to extract key entities from the original question; retrieving power domain knowledge in a hybrid similarity retrieval manner based on the sorted out power domain knowledge and the key entities extracted from the original question; obtaining database tables and data schemas related to the original question through a multi-level schema linking method; standardizing knowledge and designing a question enhancement Prompt template based on the retrieved power domain knowledge and the obtained data schema, and using a large language model to reconstruct and enhance the original question to eliminate confusion and interference factors and improve the accuracy of question answering.
Owner:YANTAI HAIYI SOFTWARE

Knowledge fabric with mechanistic causal reasoning and deep language understanding

System and method for using knowledge fabric based on knowledge ontology, designed for deep language understanding and mechanistic causal reasoning, and meta-knowledge repository for auditable question answering. The method includes receiving an input text from a user, building a knowledge graph that represents real world facts and associations in the form of contextually tagged and weighted knowledge propositions, in multiple knowledge domains. The knowledge graph in combination with causal path knowledge and metadata describing digital sources containing answers constitutes the knowledge fabric. The method includes resolving ambiguity and determining actual intent of the user for the input text, from a plurality of interpretations of intent for sentences using the knowledge graph in conjunction with logical inference to achieve deep natural language understanding. The method includes finding / delivering response to the input request as to why / how unknown factors resulted in known outcome, or what outcomes are likely given known causal factors.
Owner:EMPATHI AI INC

Self-adaptive personalized teaching system based on AI and knowledge graph

The invention relates to the technical field of intelligent teaching, and provides a self-adaptive personalized teaching system based on AI and a knowledge graph, and the system comprises a knowledge graph construction module, a student portrait module, a self-adaptive recommendation module, a teaching interaction module, and a management module. The knowledge graph construction module comprises a data processing unit, a knowledge extraction unit and a graph storage unit; the data processing unit is used for carrying out preprocessing such as word segmentation and stop word removal on the teaching text; and the knowledge extraction unit is used for extracting knowledge point entities and relationships between the entities from the preprocessed text through a natural language processing technology. The knowledge points are subjected to fine-grained modeling through the knowledge graph, the AI algorithm is combined to analyze student learning behaviors and evaluation data, knowledge vulnerabilities and learning characteristics of students can be accurately captured, the error rate is lower than that of a traditional method, the self-adaptive recommendation module generates personalized learning paths based on the reinforcement learning algorithm, and the learning efficiency is improved. And repeated learning of students on invalid knowledge points is avoided.
Owner:NINGBO YINZHOU VOCATIONAL SENIOR HIGH SCHOOL

Software component analysis system based on artificial intelligence

The invention relates to the technical field of artificial intelligence, in particular to a software component analysis system based on artificial intelligence, which comprises a data acquisition and preprocessing unit, an AI-driven component identification and analysis unit, a risk detection and evaluation unit, a knowledge base and dynamic updating unit and a result visualization and disposal suggestion unit. According to the method, through a collaborative mechanism of multi-modal semantic fingerprint generation, cross-language component matching and dynamic and static feature dual verification, the bottleneck that traditional software component analysis is insufficient in recognition precision of high-confusion, cross-language and secondary packaging components is effectively broken through, and precise recognition and analysis of the components and key attributes thereof are achieved; therefore, a more reliable technical support which better meets actual business requirements is provided for software component security analysis.
Owner:SHANGHAI RUNXUNDA DIGITAL TECH CO LTD

Intelligent coal mine safety early warning method and system based on deep learning

The invention relates to the technical field of intelligent coal mine safety production, and discloses an intelligent coal mine safety early warning method and system based on deep learning, and the method comprises the steps: constructing a difficulty evaluation function, and achieving the progressive learning from simple to complex; based on a difficulty assessment result, a model-independent meta-learning algorithm is realized, so that the model quickly adapts to new mining area characteristics; constructing a privacy protection federated learning framework by using the meta-learning model, and realizing multi-mining-area cooperative training; a continuous learning module is constructed, and original experience is reserved when new knowledge is learned; constructing a meta-knowledge evaluation module to realize cross-mining-area safety knowledge sharing; according to the invention, the security risk identification accuracy is improved; multi-mining-area cooperative training is realized on the premise of protecting data privacy; the method has continuous optimization capability and effectively solves the problem of model drift; and efficient sharing and migration of cross-mining-area safety knowledge are realized.
Owner:SHAANXI COAL GRP SHENMU HONGLIULIN MINING CO LTD +1

Construction method of business meta-knowledge base and local data analysis method based on business meta-knowledge base

The invention provides a construction method of a business element knowledge base and a local data analysis method based on the business element knowledge base. The business meta-knowledge base comprises table structure definitions for a plurality of business scenes, business rule documents and analysis templates. The local data analysis method based on the business meta-knowledge base comprises the following steps: receiving a user demand; generating a prompt instruction based on the user demand and the business meta-knowledge related to the user demand; sending the prompt instruction to the large language model, and receiving a structured data operation statement which is returned by the large language model and is generated based on the prompt instruction; and executing the structured data operation statement locally to obtain an answer to the user demand. According to the method, the business meta-knowledge base is constructed, then interaction between the local data and the large language model is achieved through the business meta-knowledge base, efficient data analysis is achieved through the large language model, and meanwhile the privacy security of the local data can be protected.
Owner:NANJING WEBEYE INFORMATION TECH CO LTD

Large model illusion relieving method and device, medium and product

The invention provides a large model illusion relieving method and device, a medium and a product, and relates to the technical field of artificial intelligence, and the method comprises the steps: obtaining an input sample which comprises meta-knowledge and dialogue history; screening the meta-knowledge by using a sample filter based on reinforcement learning, and performing model training by using the screened meta-knowledge to obtain a knowledge graph embedding model; inputting the dialogue history into the knowledge graph embedding model, and obtaining a knowledge graph embedding vector output by the knowledge graph embedding model; fusing a local knowledge vector and a global knowledge vector according to the knowledge graph embedded vector to obtain a fused knowledge graph vector; embedding the fused knowledge graph vector into an encoder-decoder model to obtain a large model; according to the method, the interference of data noise on a knowledge graph embedding method can be reduced, so that the illusion problem of a large model is relieved.
Owner:CHINA MOBILE INFORMATION TECHNOLOGY CO LTD +1

Airborne resource limited heterogeneous unmanned aerial vehicle cluster dynamic alliance and cooperation task planning method

The invention relates to an airborne resource limited heterogeneous unmanned aerial vehicle cluster dynamic alliance and cooperation task planning method. Firstly, a double-layer coding scheme is designed, an outer layer optimizes a grouping strategy of heterogeneous unmanned aerial vehicles, and an inner layer completes specific distribution and task planning of the unmanned aerial vehicles. Secondly, an unmanned aerial vehicle cooperation strategy based on the dynamic alliance idea is provided, the limitation of a traditional fixed cooperation relation is broken through, and a more flexible and efficient cooperation mode is achieved. In order to solve the problem that the task position in the actual disaster environment is difficult to accurately obtain, an investigation difficulty classification formula based on the shape of a detection area is constructed and is used for quantifying the task investigation difficulty in the disaster environment. In addition, a meta-knowledge migration strategy is improved, the evolutionary state is judged by calculating the distance between the population centroid and the optimal solution, the migration radius is determined in a self-adaptive mode, and efficient distribution scheme migration is achieved. In conclusion, according to the method, multiple strategies are fused, resource allocation is optimized and calculated, the heterogeneous unmanned aerial vehicle resource utilization rate is improved through a dynamic alliance mechanism, high-value tasks are scheduled preferentially in combination with an investigation difficulty classification formula, and finally the sub-population task planning efficiency is improved by using an improved meta-knowledge migration strategy.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Battery health state detection method, equipment and medium

The invention discloses a battery health state detection method and device and a medium, and relates to the technical field of battery health management, and the method comprises the steps: collecting historical operation data and full-band EIS scanning data of a battery, constructing a battery data set, and independently collecting state parameters; training a deep reinforcement learning DRL intelligent agent through the battery data set, performing scanning decision on state parameters of the battery by using the trained DRL intelligent agent, and outputting a sparse frequency band decision vector; utilizing the sparse frequency band decision vector to control the EIS equipment to carry out sparse scanning on the target battery to obtain sparse frequency band EIS data; the method comprises the following steps: constructing a meta-knowledge base through various types of batteries, and training the meta-knowledge base through a meta-learning algorithm to obtain a reference migration model; and carrying out few-sample adaptation processing on the sparse frequency band EIS data by using the reference migration model. According to the method, sparse EIS scanning is carried out by dynamically selecting frequency points, and efficient real-time diagnosis is achieved.
Owner:CHENGDU RUICHEN JIAHONG TECH CO LTD

Method, device and equipment for generating schema file in low-code platform

The invention provides a method, a device and equipment for generating schema files in a low-code platform, and belongs to the technical field of artificial intelligence. The method comprises the following steps: in response to an operation instruction for a low-code application program, calling a large language model, and identifying the operation instruction to obtain at least one keyword; generating at least one feature vector based on the at least one keyword; based on the at least one feature vector, at least one description file is obtained from a platform meta-knowledge base, the platform meta-knowledge base is used for storing the corresponding relation between different feature vectors and the description file, and the description file is used for describing at least one attribute of the low-code application program; based on the at least one description file, a schema file of the low-code application program is generated, and the schema file is a structured description file corresponding to the low-code application program and is used for generating the low-code application program. According to the method and the device, the generation cost of the schema file can be reduced.
Owner:DINGTALK (CHINA) INFORMATION TECH CO LTD

Information retrieval method of multivariate knowledge base in construction engineering field based on large model

The invention discloses an information retrieval method of a multivariate knowledge base in the field of constructional engineering based on a large model, and belongs to the technical field of information retrieval, the knowledge base in the field of constructional engineering including multivariate knowledge such as texts, drawings, specifications and standards, cases and the like is constructed, and cross-modal and cross-type accurate retrieval is realized by adopting a large model technology; the method specifically comprises the steps of preprocessing and structured representation of multivariate knowledge, fine-tuning training of a large model adapted to the field, semantic analysis of a user retrieval request, collaborative retrieval of multi-modal knowledge, intelligent sorting and optimization of retrieval results and dynamic updating and maintenance of a system. According to the method, the problems of limited knowledge types, insufficient semantic understanding, poor professional adaptability and the like in traditional constructional engineering information retrieval are solved, the retrieval accuracy, comprehensiveness and efficiency are remarkably improved, and professional and intelligent knowledge support is provided for constructional engineering employees.
Owner:SHENZHEN LAUNCH TEC CO LTD

Dynamic model training optimization method and device, processing equipment, product and medium

The embodiment of the invention provides a dynamic model training optimization method and device, processing equipment, a product and a medium, and is applied to the technical field of model training. The method comprises the following steps: collecting at least one environment variable in a target scene in real time; according to the at least one environment variable, generating an environment change intensity index corresponding to the target scene, the environment change intensity index being used for quantifying an environment change degree in the target scene; under the condition that the environment change intensity index is larger than or equal to a preset threshold value, fast adaptation priori is obtained, and the fast adaptation priori is meta-knowledge generated based on an MAML algorithm in advance; based on the fast adaptation priori, the strategy of the intelligent agent is optimized, the intelligent agent can perceive the environment in the target scene and autonomously take action to achieve the preset target, and the fast adaptation priori is used for guiding and adjusting the input characteristics and strategy updating speed of the strategy network of the intelligent agent. The method solves the problem that the strategy of the intelligent agent in the non-stationary environment is easy to fail quickly.
Owner:CHINA MOBILE FINANCIAL TECHNOLOGY CO LTD +1

Multi-modal intelligent garbage detection method based on dynamic adaptive meta-learning

The invention discloses a multi-modal intelligent garbage detection method based on dynamic adaptive meta-learning, and the method comprises the steps: constructing a framework based on a Faster R-CNN two-stage detector fusing uncertainty estimation and multi-modal features, fusing a dynamic adaptive meta-learning mechanism, and supporting and querying a set to achieve robust adaptation through environment interaction; an enhanced garbage proposal module is designed, multi-modal feature fusion is adopted, and deep interaction with query features is supported; and constructing an advanced garbage classification module, and introducing a dynamic soft attention mechanism to realize space-semantic alignment. In the training stage, mixed meta-learning is adopted, an extended FSOD data set is combined with self-supervised pre-training, N-way K-shot subtask training is performed, meta-knowledge is acquired, and dynamic fine tuning is performed by using a labeled junk image in combination with real-time environment data. In the optimization stage, real-time detection of various types of garbage is realized in the test stage through a multi-task joint loss function supervision framework.
Owner:NANJING UNIV OF SCI & TECH

Document knowledge management method and system based on text retrieval enhancement generation

The invention discloses a document knowledge management method and system based on text retrieval enhancement generation, and belongs to the technical field of computer intelligence. The method comprises the steps that a document uploaded by a user is preprocessed, knowledge text blocks are divided, meta-knowledge is extracted and vectorized, and a document knowledge system is constructed; when a user puts forward a question, analyzing the question through a knowledge calling agent, and constructing a knowledge reference table containing meta-knowledge, knowledge text blocks and knowledge sources in combination with meta-knowledge and vector similarity retrieval; the user question and the knowledge reference table are fused to form a context, a large model is driven to generate an accurate answer, and knowledge tracing is provided; the question and answer effect is evaluated according to user feedback and knowledge reference accuracy, if the effect is good, question and answer pairs are stored as new knowledge, document slice parameters and the knowledge retrieval range are dynamically adjusted according to the evaluation result, and continuous optimization of a knowledge system is achieved. According to the method, the accuracy of semantic comprehension and retrieval can be improved, and the utilization capability of document knowledge is enhanced.
Owner:JIANGXI NORMAL UNIV

Intelligent popular science content retrieval interaction system and method combined with knowledge graph

The invention discloses a science popularization content intelligent retrieval interaction system and method combined with a knowledge graph. The system comprises a knowledge graph construction unit, a multi-layer multi-head attention mechanism collaborative Transform coding unit, a knowledge graph embedding and Transform feature fusion unit, a retrieval result sorting unit based on fusion features, an interactive intention capture unit and a result optimization output unit. The method comprises the following steps: constructing a knowledge graph for multi-source science popularization data, extracting retrieval keyword features by applying Transform coding, fusing the knowledge graph and the retrieval keyword features, and calculating the similarity with science popularization content to finish initial sorting; and meanwhile, capturing user interaction behavior analysis intention change in real time, and readjusting and outputting an initial result in combination with knowledge graph semantic association. The method corresponds to operation steps of all units of the system, and intelligent retrieval interaction of popular science content is achieved. According to the system and the method, the problems of insufficient semantic understanding, poor interaction experience and the like of traditional retrieval are effectively solved, and the accuracy and the interaction intelligence of popular science content retrieval are improved.
Owner:SHENGDI XINGTU INFORMATION TECH CO LTD OF LHASA ECONOMIC & TECH DEV ZONE

Training example generation to create new intents for chatbots

A topic for building a new intent on which to train a chatbot can be received. A database of chatbot training data can be searched for a candidate intent having meta-knowledge similar to the received topic. Utterances associated with the candidate intent can be extracted. The received topic and the extracted utterances can be input to a trained machine learning model. The trained machine learning model generates example utterances for the new intent. The new intent with the generated example utterances can be used as training data for training the chatbot.
Owner:INTERNATIONAL BUSINESS MACHINE CORPORATION

Knowledge-creation assistance device and knowledge-creation assistance method

A knowledge-creation assistance device (100) comprises: a knowledge-structuring unit (111) that, on the basis of a measurement analysis result of a sample outputted from an analysis device, generates pre-complementary structured knowledge that is configured to include one or more items pertaining to measurement; a missing-knowledge estimation unit (113) that adds an item to the pre-complementary structured knowledge to generate post-complementary structured knowledge; and a knowledge-editing unit (114) that receives an editing instruction for the post-complementary structured knowledge and generates confirmed structured knowledge. The missing-knowledge estimation unit (113) adds the item to the pre-complementary structured knowledge by using an estimation model that is a machine learning model in which an item included in the pre-complementary structured knowledge is used as an explanatory variable, and an item included in the confirmed structured knowledge is used as an objective variable.
Owner:HITACHI HIGH TECH CORP

Sewage treatment lift pump AI intelligent regulation and control method and system based on working condition perception

The invention discloses a sewage treatment lift pump AI intelligent regulation and control method and system based on working condition perception, and relates to the field of sewage treatment.The sewage treatment lift pump AI intelligent regulation and control method comprises the steps that multi-source heterogeneous working condition data are collected and preprocessed, and a regular real-time perception data sequence is output; carrying out calculation and feature extraction on the regular real-time sensing data sequence, and outputting a structured feature vector; inputting the structured feature vector into a preset lightweight causal graph model for causal inference, and outputting a causal task descriptor; taking a causal task descriptor as a retrieval key, performing matching in a historical operation case library, and outputting a similar historical strategy-result pair set; and jointly inputting the causal task descriptor, the similar historical strategy-result pair set and recent real-time interaction data into a meta-learner online adaptation module. According to the method, asynchronous updating is carried out on a historical operation case library, a lightweight causal graph model and a meta knowledge base of a meta learning device based on full-process data of a current control period.
Owner:JIANGSU STRAIT ENVIRONMENTAL PROTECTION TECH DEV CO LTD