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107 results about "Collaborative knowledge" patented technology

Collaborative Knowledge Management is an approach to enabling organizational intelligence in the enterprise.

Knowledge graph-based semantic association and logic rule reasoning method

The invention relates to the technical field of knowledge maps, and discloses a semantic association and logic rule inference method based on a knowledge map, and the method comprises the steps: obtaining a cross-functional department first data set, and constructing a cross-department knowledge map; extracting index nodes from the cross-department knowledge graph, identifying semantic conflict indexes, generating an index semantic conflict list, and constructing the cross-department knowledge graph after semantic mapping based on the index semantic conflict list; obtaining a second data set of a cross-functional department, and obtaining a fused cross-department knowledge graph and a semantic association degree matrix based on the second data set and the cross-department knowledge graph after semantic mapping; dynamically adjusting the weight of each node and edge of the fused cross-department knowledge graph according to the semantic association degree matrix, and generating a cross-department collaborative knowledge graph; generating a cross-department collaborative decision suggestion based on the cross-department collaborative knowledge graph; according to the invention, the efficiency and quality of cross-department collaborative decision-making are significantly improved.
Owner:LISHUI RES INST OF HANGZHOU UNIV OF ELECTRONIC SCI & TECH +2

Collaborative knowledge fusion reinforcement learning method for sparse reward environment

The invention discloses a sparse reward environment-oriented collaborative knowledge fusion reinforcement learning method, and relates to the field of collaborative knowledge fusion reinforcement learning methods. By constructing a lightweight collaborative knowledge fusion model and a dynamic reward remodeling mechanism, the problems of low intelligent agent exploration efficiency and difficulty in strategy convergence in a sparse reward environment are solved. The method comprises the following steps: constructing a reinforcement learning framework comprising a policy network and a value network; designing an action space mutation supervision mechanism and a lightweight collaborative knowledge fusion model, and generating a smooth substitution action when a strategy is detected to be unstable; and a reward function is designed in combination with the task target and the dynamic constraint, and reward remodeling is realized by activating rewards through sub-target potential energy difference and knowledge fusion. According to the method, effective intermediate feedback can be provided for the agents in the sparse reward environment, the exploration efficiency is improved, the convergence time is shortened, the stability and cross-scene migration ability of the strategy are enhanced, and an effective solution is provided for sparse reward scenes such as robot control and multi-agent game.
Owner:CHANGCHUN UNIV OF TECH

Multi-model collaborative knowledge graph construction method, system and equipment and storage medium

The invention provides a multi-model collaborative knowledge graph construction method, system and device and a storage medium, and the method comprises the steps that a routing engine receives a knowledge graph construction request, matches a preset rule base according to target domain parameters, and generates a node assembly sequence; the scheduling engine constructs a task execution directed acyclic graph according to the task execution directed acyclic graph; the execution engine preprocesses the original document according to the graph to generate a structured document block set with metadata; calling a pre-training model in the small model resource pool to perform entity and relation extraction to form a preliminary entity set and an association relation set; attribute completion and implicit relation reasoning are carried out on the preliminary entity set, and a completion entity attribute set and a newly-added relation set are generated; performing entity alignment on the preliminary entity set and the complemented entity attribute set by the large model to obtain a fused entity set; and performing conflict resolution on the incidence relation set and the newly-added relation set to obtain a fusion relation set. And storing the fusion entity set and the fusion relationship set to a knowledge graph database.
Owner:XIAMEN YUANTING INFORMATION TECH CO LTD

Federal learning method and system based on multi-agent and knowledge distillation, and medium

The invention relates to the technical field of federated learning, and discloses a federated learning method and system based on multiple agents and knowledge distillation, and a medium, and the method comprises the steps: S1, training a local model; s2, knowledge distillation based on decoupling; s3, decentralized knowledge sharing based on a block chain: packaging the standardized distillation knowledge fragments extracted in S2 and metadata thereof into block chain transactions, submitting the block chain transactions to a block chain network, verifying the legality of the transactions, and writing the transactions into a block chain account book to realize decentralized distribution; s4, performing multi-agent collaborative knowledge management based on a large language model, and updating a student model; and S5, repeatedly executing the steps S1 to S4 until a training termination condition is met. According to the method, personalized selection, adaptive filtering and efficient sharing of knowledge in the federated learning process are realized, the client drift phenomenon caused by data non-independent identical distribution characteristics is effectively relieved, the convergence speed, the overall performance and the personalized level of the model in a heterogeneous data environment are remarkably improved, and the communication overhead between clients is optimized.
Owner:QINGDAO UNIV OF TECH

Article recommendation method and device, storage medium and electronic equipment

The invention discloses an article recommendation method and device, a storage medium and electronic equipment. Relates to the field of artificial intelligence, in particular to the field of recommendation systems. Based on the initial implicit collaborative knowledge graph, constructing a plurality of embedded representations, the plurality of embedded representations including an account embedded representation, an article embedded representation and an entity embedded representation; based on the multiple embedded representations, an adaptive implicit collaborative knowledge graph is constructed, and the adaptive implicit collaborative knowledge graph is used for representing potential interests of the account on the articles and implicit preferences and associations between the articles and the entities; based on the self-adaptive implicit collaborative knowledge graph, an article recommendation model is adopted to obtain an article recommendation result corresponding to a target account, and the target account is an account in the self-adaptive implicit collaborative knowledge graph. The object recommendation method and device solve the technical problem that the object recommendation effect is poor due to large sparsity of interaction data and a knowledge graph.
Owner:CHINA TELECOM BESTPAY CO LTD

Grouping federal recommendation method based on bilateral additive article embedding

The invention provides a grouping federal recommendation method based on bilateral additive article embedding. A central server constructs a double-layer article embedding characterization structure under a federated learning framework: a client locally maintains user personalized embedding and an article local personalized embedding matrix, and a server generates global group shared article embedding through a dynamic clustering grouping mechanism; superposing global sharing embedding and local personalized embedding by adopting an additive fusion strategy to generate user side personalized article characterization; a progressive course learning scheme is designed, and smooth transition from complete personalization to additive representation is realized by dynamically adjusting a regularization weight coefficient; and a grouping and clustering process is optimized in combination with a knowledge migration strategy, and collaborative knowledge sharing across user groups is promoted. In a client local training stage, a personalized recommendation loss function based on binary cross entropy is constructed, global shared embedding and local embedding parameters are synchronously updated, and a server side updates a global model through grouping federation aggregation. On the premise of protecting user privacy, the problems that in traditional federated recommendation, article characterization is simplified, and personalized perception is insufficient are effectively solved, the accuracy of a recommendation system is remarkably improved, communication overhead is reduced, and the method is suitable for personalized recommendation services of privacy sensitive scenes such as e-commerce and content platforms.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Information recommendation method and device based on collaborative sampling of knowledge graph and adjacency graph

The invention provides an information recommendation method and device based on collaborative sampling of a knowledge graph and an adjacent graph, and relates to the technical field of information recommendation. According to the method, the triple is constructed by obtaining the historical interaction data of the user, and the triple is fused with the project attribute graph to construct the collaborative knowledge graph; performing expression alignment through projection transformation to obtain initial embedding expression; performing multi-hop neighbor sampling through biased random walk to obtain a multi-hop neighbor set; determining a neighbor which is most similar to the embedding representation of the positive sample item as an anchor neighbor; then linear interpolation is carried out, and the embedding representation of the difficult negative sample is synthesized; on the basis of the multi-head graph attention network, training by adopting a positive sample and a synthesized difficult negative sample, and aggregating to obtain an updated embedded representation; and calculating an interaction probability based on the updated embedded representation, and generating a recommended item for the user. According to the method, the problems of user-project interaction sparsity and false negative example interference are effectively solved, and stronger semantic comprehension and generalization ability are provided for a recommendation system.
Owner:HUAQIAO UNIVERSITY

Digital twinning-based delivery and education collaborative practical training method and system

The invention provides a production and teaching cooperation practical training method and system based on digital twinning, and the method comprises the steps: firstly obtaining a real-time operation data set of industrial equipment and a practical training case data set of a production and teaching cooperation knowledge base, and then constructing the digital twinning of the industrial equipment based on the real-time operation data; the method comprises the following steps: analyzing training case data by using a large language model to generate a multi-modal training interaction feature set, performing collaborative feature mapping on a digital twin and the interaction feature set to obtain a virtual-real fusion training scene feature set, and dynamically optimizing the virtual-real fusion training scene feature set through a preset training strategy generation model to obtain a virtual-real fusion training scene feature set. According to the method and the system, a personalized production and teaching collaborative practical training scheme is generated, finally, the personalized production and teaching collaborative practical training scheme is deployed to digital twinborn triggering real-time interactive training, and a production and teaching collaborative knowledge base is updated according to operation feedback data of trainees, so that efficient and personalized production and teaching collaborative practical training is realized, and the practical training effect is improved.
Owner:SHANGHAI HAOXIN HAOYI INTELLIGENT TECH CO LTD

Sparse reward environment optimization learning identification method and system based on demonstration data enhancement

The invention relates to the technical field of mechanical arm optimization learning, and discloses a sparse reward environment optimization learning method and system based on demonstration data enhancement, and the method comprises the steps: obtaining expert demonstration data of a grabbing task of a mechanical arm, generating an enhanced demonstration sample through track segmentation time sequence interpolation and state space neighborhood extension, and carrying out the reconstruction of the enhanced demonstration sample; constructing a demonstration experience playback buffer area; building a reinforcement learning framework containing a strategy network and a value network, and learning an optimal grabbing strategy by utilizing reinforcement demonstration; designing a lightweight collaborative knowledge fusion model to monitor an action change rate, and outputting a smooth action when the action change rate exceeds a threshold value; and a reward function containing a task target and dynamic constraints is constructed, knowledge fusion rewards are superposed when the fusion model is activated, and reward sparsity compensation and strategy optimization are realized. According to the method, the executing stability and safety of the mechanical arm are improved, and the parameter updating accuracy and the training convergence speed are improved.
Owner:CHANGCHUN UNIV OF TECH

Team cooperation training method and system based on scene reproduction and multi-agent cooperation

The invention provides a team cooperation training method and system based on scene reproduction and multi-agent cooperation, and relates to the technical field of team cooperation, and the method comprises the steps: building an interaction scene through building a team cooperation knowledge base, training an agent initial behavior mode through deep reinforcement learning, and building a knowledge distillation enhanced multi-agent cooperation learning network. Anti-fact reasoning is adopted to analyze cooperation behavior influence, a capability evolution track is dynamically tracked, and a cooperation optimization scheme is output. According to the method, the team cooperation efficiency can be effectively improved, cooperation short boards are accurately identified, and continuous optimization of team capability is realized.
Owner:FLASH TURING (HANGZHOU) TECHNOLOGY CO LTD

Data recommendation method and device and data recommendation model processing method and device

The invention relates to a data recommendation method which is suitable for a video recommendation scene. The method comprises the following steps: acquiring an article knowledge graph, an interaction graph between an object and an article, and modal content of the article; fusing the article knowledge graph and the interaction graph to obtain a collaborative knowledge graph, determining an article relation graph based on modal content of the article, and constructing an object co-occurrence graph based on the interaction graph; heterogeneous graph learning is carried out based on the interaction graph and the collaborative knowledge graph, and object features and article features are obtained; performing isomorphic composition learning based on the object co-occurrence graph and the object features to obtain a target object representation, and performing isomorphic composition learning based on the object relation graph and the object features to obtain a target object representation; and according to the target object representation of the target object and the target object representation of each object, performing object recommendation on the target object. By adopting the method, the recommendation performance of the strict cold start article can be improved on the premise of keeping the recommendation performance of the hot start article.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD +1

Multi-agent collaborative knowledge reasoning system based on large language model

The invention discloses a multi-agent collaborative knowledge reasoning system based on a large language model, and relates to the technical field of intelligent manufacturing and artificial intelligence. Natural language output of a large language model is converted into rules, facts and ontology fragments which can be directly consumed by an inference engine through knowledge obtaining and compiling, continuous increment updating of cross-domain knowledge is achieved in cooperation with metadata with sources and timestamps, and the limitation that a traditional static knowledge base is difficult to cover dynamic faults is overcome; secondly, a blackboard and agenda mechanism is used as a cooperative carrier, intermediate assertions of intelligent agents such as vibration, circuits and logs are published and subscribed in a structured mode, and a conflict resolution and consistency verification module carries out unified judgment according to specificity, time freshness and source credibility; therefore, delay and uncertain accumulation caused by long-chain natural language dialogues are avoided in a strong real-time scene.
Owner:BEIJING CHINASOFT LINKAGE TECHNOLOGY CO LTD

Collaborative distillation personalized federal learning method for multi-user semantic communication

The invention discloses a collaborative distillation personalized federal learning method for multi-user semantic communication, and belongs to the technical field of artificial intelligence and wireless communication. The semantic consistency in a task group is ensured through a clustering method, meanwhile, personalized training is performed on a semantic encoder in the task group, the adaptability of a semantic communication model is improved in combination with a partial parameter sharing strategy, and finally, global semantic knowledge is shared through inter-group collaborative knowledge distillation; the method comprises the following specific steps: clustering and grouping clients participating in training, constructing a hierarchical semantic communication model, performing hierarchical personalized federated learning training in a task group, and performing knowledge sharing based on collaborative distillation to obtain a semantic communication model of collaborative distillation personalized federated learning. The method can accurately reflect preferences, and is high in individuation performance, high in semantic recovery accuracy, high in semantic communication model generalization ability, high in data processing heterogeneity and high in task diversity.
Owner:BEIJING INST OF TECH

An AI Agent based on a large language model collaborative knowledge graph and its implementation method

The present invention relates to an AI Agent intelligent body based on a large language model collaborative knowledge graph, which includes a natural language dialogue module, a large language model module, an RPA SOP process knowledge graph module and an RPA execution engine, wherein the natural language dialogue module receives natural language and converts it into a structured query statement; the large language model module interacts with the natural language dialogue module and the RPA SOP process knowledge graph module respectively, the large language model module understands user needs, retrieves the knowledge graph according to the query statement and generates the RPA process; the RPA SOP process knowledge graph module stores standard SOP knowledge of vertical businesses in a specific industry, provides professional knowledge and normative constraints, and provides knowledge query and reasoning; the RPA execution engine executes the generated RPA process; and also includes an agent method and a storage medium. The present invention utilizes the RPA process knowledge graph to enhance the knowledge and reasoning capabilities of the large language model, generates RPA process steps that meet the requirements, and improves the accuracy and efficiency of RPA process generation.
Owner:DATAGRAND TECH INC

Construction method and device of multilevel power field knowledge base

The invention discloses a method and a device for constructing a multilevel power field knowledge base, relates to the field of artificial intelligence, and mainly aims to solve the problem that the field knowledge base constructed based on an existing method is poor in effect of improving the application reliability of a large language model. Comprising the steps of performing text image separation on original data to obtain a domain knowledge original text and a domain knowledge original image; performing adaptive semantic text block segmentation on the original text to construct a semantic text block knowledge base; performing dual-channel collaborative knowledge extraction on the text blocks, fusing extraction results, and constructing a knowledge graph knowledge base; performing adaptive text description on the domain knowledge original image to generate a constructed image and a text description knowledge base; vector conversion and mapping alignment are carried out on the domain knowledge text blocks, the knowledge graph triple, the domain knowledge original image and a combination of corresponding text descriptions to construct a semantic vector knowledge base; and constructing a multi-level domain knowledge base based on the plurality of knowledge bases.
Owner:STATE GRID TIANJIN ELECTRIC POWER COMPANY +1

Tourism route recommendation system based on tourism consumer portrait and psychological model

InactiveCN119692583AData processing applicationsBiological modelsPsychological ModelsNerve network
The invention provides a tourism route recommendation system based on tourism consumer portraits and psychological models, the system collects user behavior data through a data acquisition and preprocessing module, and constructs a user and scenic spot interaction information graph, and meanwhile, a scenic spot knowledge graph construction module integrates scenic spot information from top to bottom to form a structured knowledge base, so that the scenic spot information is recommended to the tourism consumer portraits and psychological models. The collaborative knowledge graph construction module combines user behaviors with scenic spot knowledge to provide a basis for the deep learning model and knowledge graph application, the deep learning model application module utilizes a GRU neural network to mine deep features of users and scenic spots, the knowledge graph application module optimizes recommendation results through a TransR model and an attention mechanism, and finally, the recommendation results are recommended to the users and scenic spots. The route planning module plans the travel route according to the information and displays the information to the user through the visualization module, and the system can improve the accuracy and individuation degree of travel route recommendation and improve the user experience.
Owner:CHONGQING HAILIAN VOCATIONAL & TECH COLLEGE

Innovative resource collaborative matching method and system oriented to distributed operation

The invention discloses an innovative resource collaborative matching method and system oriented to distributed operation, and relates to the field of data processing recommendation, and the method comprises the steps: carrying out the standardization processing of a heterogeneous resource portrait description text through a large language model, constructing and forming a resource attribute knowledge graph, generating extension description information of the resources in the target industrial chain through the large language model, and constructing and forming an industrial chain knowledge graph; performing semantic alignment and hidden associated information mining on the fused graph by using a pre-trained SACN model, and constructing a resource collaborative knowledge graph representing resource attributes and collaborative logic in an industrial chain; and performing semantic fusion on the original description text representation of the resource and the resource collaborative knowledge graph representation based on a large language model, generating comprehensive vector representation through multi-modal fusion, and outputting a resource matching recommendation result by adopting a collaborative filtering recommendation model. According to the method, the cross-organization and cross-industry-chain innovative resource collaborative knowledge graph is constructed, instant and clear demands of users are accurately responded, and the resource allocation efficiency is improved.
Owner:广东省华南技术转移中心有限公司 +1

Multi-source feature collaborative knowledge mining and semantic association method

The invention discloses a multi-source feature collaborative knowledge mining and semantic association method, and belongs to the technical field of full-life-cycle knowledge processing of railway track engineering. According to the method, field-related documents are screened, an element range and a processing sequence are limited in combination with a knowledge graph, the documents are customized to generate a term candidate set, term statistical weights are calculated based on a full-life-cycle corpus, dynamic semantic vectors are generated by utilizing a field self-adaptive pre-training model, and composite concept representation is obtained through fusion of an attention mechanism. And linking the knowledge graph to construct a heterogeneous graph, mining association through a graph attention network, analyzing, querying and verifying sequential logic, and then outputting structured knowledge. According to the method, the problems of railway track engineering data islands and cross-stage semantic segmentation can be solved, low-frequency key terms are accurately recognized, the result interpretability is enhanced, applications such as design optimization and construction management and control are directly supported, and the method is adaptive to multiple engineering professions and high in practicability.
Owner:CHINA RAILWAY CLOUD NETWORK INFORMATION TECH CO LTD +1

Graph enhanced double-memory collaborative knowledge tracking model based on ACT-R cognitive architecture

The invention relates to the technical field of knowledge tracking, and discloses a graph enhanced double-memory collaborative knowledge tracking model based on an ACT-R cognitive architecture. Comprising a static knowledge structure coding module based on hypergraph projection, a batch-level dynamic learning track construction and coding module, a cross-graph gating fusion mechanism, a sequence modeling module and an expert hybrid prediction module. According to the method, long-term stable structured semantic association between concepts in declarative memory is modeled through a static knowledge structure diagram, a dynamic learning trajectory diagram based on batch reconstruction is designed to accurately capture an evolution rule of a behavior sequence in programmed memory, and on the basis, a cross-diagram gating fusion mechanism and a hybrid expert mechanism are introduced, so that the evolution rule of the behavior sequence in the programmed memory is accurately captured. And self-adaptive fusion and multi-path decision of double-graph features are realized.
Owner:HARBIN NORMAL UNIVERSITY

Construction safety risk intelligent control system and method based on knowledge graph

The invention discloses a construction safety risk intelligent control system and method based on a knowledge graph, and the system comprises a data collection layer which is used for collecting construction model data, process parameters, real-time monitoring data and historical risk event data of a construction site; the multi-library collaborative knowledge graph layer is used for constructing a knowledge graph based on the data acquired by the data acquisition layer; the intelligent analysis processing layer is used for analyzing the association network of the scheme, the risk and the hidden danger and generating risk early warning information, an optimized construction scheme and a quantitative evaluation report; and the visual decision-making layer is used for receiving and displaying the risk early warning information, the optimized construction scheme and the quantitative evaluation report which are generated by the intelligent analysis processing layer. According to the method, deep and cross-professional coupling risks can be mined, automatic and quantitative optimization of the construction scheme is realized, the dynamic response capability to field changes is enhanced, and the scientificity and efficiency of power transmission construction risk management and control are remarkably improved.
Owner:BEIJING YUNJIANXIN TECH CO LTD

Malus spectabilis remote management and data modeling method based on cloud collaborative architecture

The invention relates to the technical field of plant management, and discloses a chaenomeles speciosa remote management and data modeling method based on a cloud collaborative architecture. The method comprises the following steps: firstly, receiving begonia growth environment data collected by terminal equipment, and carrying out standardized preprocessing and multi-source data fusion analysis to obtain a growth feature entity candidate list and a non-feature data fragment; after a first to-be-modeled data entity is extracted from the candidate list, a plurality of matched candidate data entity entries are extracted from the cloud collaborative knowledge base, the candidate data entity entries and the non-feature data fragments are input into a collaborative disambiguation model, semantic-level collaborative aggregation analysis is carried out with the non-feature data fragments as contexts, semantic aggregation coding features are obtained and decoded, and the semantic aggregation coding features are obtained; and obtaining a disambiguation data entity. And circularly executing the steps to obtain a disambiguation data entity list, and further generating a remote management strategy. The method can improve data processing accuracy and management pertinence, and is suitable for large-scale and distributed planting scenes of begonia.
Owner:临沂科技职业学院

Collaborative knowledge enhancement method for multi-behavior recommendation

A collaborative knowledge enhancement method for multi-behavior recommendation combines cascade correlation learning and parallel interaction enhancement through a collaborative data fusion module, captures a hierarchical high-order relationship between behaviors by using a graph neural network and residual connection, and independently extracts each behavior feature to avoid high-frequency behavior interference. Multi-stream representation is fused through a projection mechanism; sharing and unique information are separated based on a decoupling projection mechanism to generate behavior exclusive expert representation, and multi-behavior data are integrated in combination with a gating aggregation strategy to relieve gradient conflicts and negative migration problems; and finally, a prediction target behavior interaction probability is output through fusion features and an expert network, and a recommendation result is optimized. According to the method, the problems of unbalanced behavior distribution and multi-task interference are effectively solved, the target behavior prediction precision is enhanced while the low-frequency behavior representation capability is improved, and personalized recommendation and model stability are considered.
Owner:TSINGHUA SHENZHEN INTERNATIONAL GRADUATE SCHOOL

AI intelligent data processing method for fire fighting field

The invention belongs to the field of fire-fighting data processing, and particularly relates to an AI intelligent data processing method for the fire-fighting field, and the method comprises the steps: firstly, building a fire-fighting multi-association knowledge graph through collecting fire-fighting multi-field and multi-source data; secondly, analyzing semantic information and a scene background input by a user by adopting a configured multi-input intention reasoning model, and determining a main-collaborative knowledge sub-graph; 3, constructing a multi-graph joint reasoning model, fusing the main-collaborative knowledge sub-graph and semantic information input by the user, generating a user fire-fighting demand plan set, and continuously optimizing the model performance by constructing an optimal reasoning search path and a reasoning approximation loss function; and finally, according to real-time user input and scene feature space, a user-customized fire-fighting demand plan is quickly generated by using the trained multi-graph joint reasoning model, and the information is fed back to the fire-fighting multi-association knowledge graph, so that continuous updating and accumulation of knowledge are realized, and powerful support is provided for intelligent decision making in the fire-fighting field.
Owner:SICHUAN JINWEI FIRE PROTECTION TECHNOLOGY CO LTD

Tracking method and system based on time-guided attention and mixed expert collaborative knowledge

The invention relates to the field of knowledge tracking, and discloses a time-guided attention and mixed expert collaborative knowledge tracking method and system, and the method comprises the steps: obtaining a historical answer interaction sequence of a student; constructing and training a knowledge tracking model; and inputting the historical answer interaction sequence into the knowledge tracking model to complete prediction of the answer condition of the student. According to the method, the individuation of knowledge tracking and the time sequence modeling capability are effectively improved through a time-guided attention and mixed expert cooperation mechanism. Wherein the time-guided attention module is combined with multi-scale forgetting bias, so that stable modeling for long-term dependence is enhanced; and the hybrid expert module dynamically activates an adaptive expert according to the learning rhythm of the student, thereby realizing adaptive capture of heterogeneous learning behaviors. The method does not need to depend on complex external semantic information, can achieve high-quality prediction only based on basic interaction data, and remarkably improves the robustness and prediction accuracy of irregular time intervals.
Owner:JINAN UNIVERSITY

Palmtop bank personalized search recommendation method and system, electronic equipment and storage medium

The invention provides a handheld bank personalized search recommendation method and system, electronic equipment and a storage medium, and is suitable for a handheld bank APP to obtain a pre-constructed collaborative knowledge graph; obtaining a historical user query, and extracting a historical query suggestion set related to the historical user query from the collaborative knowledge graph; forming a plurality of training triads according to each user in the user set, the historical user query and a historical query suggestion set related to the historical user query, and training a to-be-trained personalized search recommendation model according to a scoring function learned by a training set constructed by each training triad to obtain the personalized search recommendation model; and when a query currently input by a target user in the search session of the handheld bank APP is detected, calculating the recommendation degree between the query and each entity in the handheld bank APP by using the personalized search recommendation model, screening out to-be-recommended entities from the entities according to the recommendation degree of each entity, and outputting each to-be-recommended entity.
Owner:AGRICULTURAL BANK OF CHINA

A knowledge graph recommendation method based on multi-view contrast learning

The application belongs to the technical field of recommendation system, and provides a knowledge graph recommendation method based on multi-view contrast learning. Four different views are comprehensively considered and constructed from different perspectives, including a collaborative knowledge graph composed of a knowledge graph and a user-item interaction graph, a user-item interaction graph, and a user-user graph and a project-project graph constructed based on the user-item interaction graph. In addition, the intersection and union ratio is applied to reasonably construct the user-user graph and the project-project graph, and a receptive field is designed to avoid introducing more noise. Then, the four views are subjected to contrast learning at the local and global levels, aiming to mine the collaborative information between users and projects, between users, and between projects, and the global structure information in a self-supervised manner, thereby alleviating the problem of sparse supervision signals.
Owner:DALIAN UNIV OF TECH

A construction scheme intelligent generation method and system based on multi-agent cooperation

The application provides a construction scheme intelligent generation method and system based on multi-agent cooperation, and relates to the field of building engineering digitization technology. The method comprises the following steps: constructing a project knowledge base containing vector index and knowledge graph index; retrieving similar historical schemes based on project characteristics and learning chapter structure characteristics; generating a construction scheme outline; performing knowledge-enhanced retrieval on the chapter to be generated to obtain structured technical data; using a double-channel generation mechanism to process general chapters and construction method chapters respectively; receiving natural language fine-tuning instructions to complete content correction; converting the generated content into a standard Word document and applying an enterprise template. The system comprises a knowledge base construction module, a template retrieval module, an outline generation module, a knowledge retrieval module, a multi-agent cooperation module, a full-text integration module, and a document output module. The application significantly improves the efficiency and technical accuracy of construction scheme preparation through multi-agent division of labor, knowledge-enhanced retrieval, and double-channel generation, and solves the problems of low efficiency, case residue, and insufficient targeting in traditional scheme preparation.
Owner:CHINA GEZHOUBA GRP THREE GORGES CONSTR ENG CO LTD

Contrast learning enhanced collaborative knowledge graph recommendation model construction method

The application relates to a collaborative knowledge graph recommendation model construction method enhanced by contrast learning. Three contrast learning tasks are designed to supplement the recommendation supervision task, so that the problem that the node representation learned by the graph neural network is inaccurate due to the problems of sparse supervision signal, long tail effect, noise interference and the like can be alleviated. Meanwhile, in order to make the contrast learning more beneficial to the recommendation task, a multilayer perceptron containing two linear layers is introduced between the node representation and the contrast learning to help the contrast learning training. The application promotes the development of the knowledge graph-based recommendation system and has practical significance.
Owner:NORTHWEST A & F UNIV

A method for detecting brain content compliance review based on KG and RAG collaborative knowledge enhancement

This invention relates to the fields of artificial intelligence and software testing technology, and provides a content compliance review method for a "testing brain" based on KG and RAG collaborative knowledge enhancement. The method includes: acquiring a set of reference documents and obtaining the knowledge graph and high-dimensional vector corresponding to each reference document to construct a knowledge base; receiving a report to be reviewed; on the one hand, comparing the similarity between the retrieval vector of the report to be reviewed and the high-dimensional vector of the knowledge base to retrieve highly relevant reference documents from the knowledge base; on the other hand, selecting highly relevant subgraphs from the knowledge graph based on the entities in the report to be reviewed; fusing the highly relevant reference documents and highly relevant subgraphs to form structured knowledge, and generating structured prompts based on the structured knowledge; and outputting the compliance review results of the report to be reviewed based on the structured prompts and structured knowledge. This invention can significantly improve the efficiency, accuracy, and interpretability of software testing compliance review.
Owner:SICHUAN UNIV +1

Social robot collaborative group detection method based on multi-order collaborative knowledge graph

The invention relates to the technical field of network security, and discloses a social robot collaborative group detection method based on a multi-order collaborative knowledge graph. According to the method, user data in a Chinese social platform is collected through a crawler, a multi-order collaborative interaction graph is constructed based on the interaction relation of users of the social platform and then input into a graph encoder module, node feature vectors are obtained and input into a time perception module and a graph perception module respectively, and a time sequence prediction task and a side link prediction task are executed. Meanwhile, the model is constructed based on a time-graph semantic consistency perception module of a self-attention mechanism. And finally, inputting a node feature vector obtained by training under the guidance of double tasks into a group detection module constructed based on a Gaussian mixture model and a K-means clustering method for detection. According to the method, the complex interaction relationship among the users in the social robot group and the abnormal mode in the time sequence activity can be effectively captured, and efficient detection of the social robot collaborative group in the social network platform is realized.
Owner:SICHUAN UNIV