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41 results about "Syntactic tree" patented technology

Method and system for monitoring and analyzing operation data of electric energy meter based on electric red-oned process

The invention belongs to the technical field of operation monitoring of electric energy meters, and discloses an operation data monitoring and analyzing method and system based on an electric red-keyed electric energy meter, and the method comprises the steps: deploying the electric red-keyed electric energy meter in a low-voltage transformer area, collecting multi-dimensional electric energy operation parameters in real time, carrying out the collection and time axis reconstruction of the multi-dimensional electric energy operation parameters according to nodes, and carrying out the monitoring and analysis of the operation data of the electric red-keyed electric energy meter. Generating a load behavior time sequence, identifying a load behavior event by using a feature detection algorithm, and representing the load behavior event as a behavior lexical element; analyzing a hierarchical dependency relationship between a trunk mode and a modification structure of a load behavior event by constructing a syntactic tree structure of a load behavior, identifying a structural abnormal load mode, and generating an abnormal disturbance subgraph; fusing the abnormal disturbance sub-graph with a preset power supply topological structure, constructing a path graph with a body, executing a graph transformation operation group in the path construction process, and generating a multi-disturbance path sub-graph; and the accuracy, timeliness and reliability of load anomaly detection of the power distribution area are improved.
Owner:GUANGZHOU WEIHONG INTELLIGENT TECH CO LTD

Video content understanding method and device based on structured grammar information, electronic equipment and storage medium

The invention belongs to the technical field of computer application, and discloses a video content understanding method and device based on structured grammar information, electronic equipment and a storage medium, and the method comprises the steps: inputting a training sample into a target model for content understanding processing, obtaining a prediction text, and constructing a syntactic tree corresponding to the prediction text; calculating a syntactic tree editing distance between the syntactic tree and the syntactic tree of the reference text; calculating language structure loss by using the syntactic tree editing distance, and updating model parameters of the target model by using the language structure loss; under the condition that the model parameters of the target model are trained, obtaining a target video; and inputting the target video into the target model for processing to obtain a content text of the target video. In the application, the target model is trained based on the language structure loss calculated based on the syntax tree, and the target video can be understood, so that the content text with accurate grammar and reasonable and natural sentence structure is obtained.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Aspect-oriented sentiment analysis method based on knowledge perception syntactic graph network

The invention provides an aspect-oriented sentiment analysis method based on a knowledge perception syntactic graph network, and belongs to the technical field of natural language processing. Comprising the following steps: constructing a knowledge graph related to named entities in sentences; fusing the constructed knowledge graph into a syntactic tree of sentences to form a knowledge syntactic tree, and converting the knowledge syntactic tree into a knowledge perception syntactic graph; a knowledge perception syntactic graph and a relational graph attention network model are used to construct a knowledge perception syntactic graph network model, in the model, Bi-LSTM is used to capture context information of word nodes, and the relational graph attention network model is used to aggregate node information and side information; a full connection layer and a Softmax function are used to give emotion polarity prediction. The method solves the problems that a traditional method cannot fully utilize syntactic information, is limited in capacity of capturing long-distance dependence and complex syntactic relations, and cannot effectively utilize domain knowledge of named entities in sentences.
Owner:李晨

Platform private corpus unvarnished transmission method based on syntactic tree matching and reversible hash encryption

The invention discloses a platform private corpus unvarnished transmission method based on syntactic tree matching and reversible hash encryption. The method comprises the following steps: S1, generating a structured private corpus; s2, performing syntactic analysis on the structured private corpus by adopting a natural language processing technology, and constructing a complete syntactic tree model of the private corpus; s3, generating syntactic structure verification information according to the syntactic tree model, forming structure fingerprint data, and constructing an unvarnished transmission data packet; s4, transmitting the unvarnished transmission data packet between heterogeneous platforms; and S5, after the structural verification is consistent, under the condition that a legal authorization condition is met, performing data restoration on the ciphertext private corpus in the unvarnished transmission data packet by adopting a preset reversible Hash decryption operation, and restoring the original structured private corpus. According to the invention, high-strength and low-redundancy private corpus encryption transmission is realized.
Owner:余意

Risk review method and system for contract terms

The invention relates to the technical field of natural language processing, in particular to a risk review method and system for contract terms, and the method comprises the following steps: obtaining a to-be-reviewed contract text, deconstructing sentences of each contract term, and obtaining a term analysis feature set; according to the method, contract terms are disassembled into basic semantic units sentence by sentence, feature details of syntactic tree depth, anaphora distance, logic nested layers and terminology density are extracted, four types of index combinations in a feature set are analyzed through terms, measurement of single-term analysis complexity scores is achieved, score aggregation of the complexity is further analyzed through terms, and the complexity of the contract is analyzed. According to the method, a specific index capable of quantifying the overall understandability risk of a contract is formed, topic clustering and semantic weight distribution are executed on a to-be-examined contract and a standard contract text library at the same time, the actual emphasis condition of each topic is determined, and the topic with large semantic deviation is positioned as a missing risk for targeted marking.
Owner:INSPUR SMART SUPPLY CHAIN TECH (SHANDONG) CO LTD

Industrial chain risk data early warning method and system based on digital intelligence

The invention provides an industrial chain risk data early warning method and system based on digital intelligence, and relates to the technical field of intelligent data analys.The method comprises the steps that S1, semantic data of an industrial chain entity in an unstructured text is obtained in real time, a syntactic tree with a core predicate as a root node is constructed, and a syntactic tree is constructed; the dependency type and the dependency arc strength of the entity node are marked in the syntactic tree; calculating a semantic weight according to the hierarchical depth of the node in the syntactic tree and the dependency arc intensity, so as to determine three entity nodes with the highest causal influence as target detection points; and S2, mapping the target detection points to a two-dimensional coordinate system with a syntactic tree root node as an original point, performing normalization processing on semantic weight vectors of the three target detection points, and generating a minimum convex polygon covering all associated entities through a Delou inner triangulation algorithm. According to the method, the unstructured text is analyzed in real time to construct the precise semantic network, and identification, early warning and intelligent prevention and control of industrial chain risks are realized.
Owner:FUBON BANK (CHINA) CO LTD

Intelligent Outbound Call Knowledge Graph Construction Method and System Based on Dialogue Scenarios

The present invention provides a method and system for constructing an intelligent outbound call knowledge graph based on a dialogue scenario, which relates to the technical field of voice knowledge graphs. In the present invention, the dialogue audio is real-time converted into text through a speech recognition API, and a syntactic tree is constructed by using a word segmentation tool and syntactic analysis to identify the part of speech and dependency relationship. Then, the syntactic annotation sequence is input into a BERT model for entity recognition to generate an entity set. A rule set is established to infer new relationships, and a graph theory algorithm is used to calculate the entity influence. Finally, the dependency relationship is mapped into the entity set, and a hierarchical index of each entity is generated according to the hierarchical relationship and influence index of the entities, and a multi-level knowledge graph is constructed through hierarchical mapping.
Owner:NANTONG ZHIDATONG INFORMATION SERVICE CO LTD

A specific target sentiment analysis method and device based on multi-level semantic coding

The application provides a specific target sentiment analysis method based on multi-level semantic coding, which comprises the following steps: S1, obtaining a text to be analyzed, and performing word segmentation on the text to be analyzed; S2, using a syntax analysis tool to analyze the word segmentation result, generating a dependency syntax tree, and constructing a syntax cover matrix according to the dependency syntax tree; S3, converting the word segmentation result of the text to be analyzed into a word vector two-dimensional matrix, using a transformer model to code the word vector two-dimensional matrix, and obtaining the shallow semantic features of the text to be analyzed; S4, inputting the syntax cover matrix and the shallow semantic features into a syntax attention network to obtain deep semantic features; and S5, calculating the text representation vector of a specific target according to the deep semantic features, and finally obtaining the sentiment classification of the specific target. The method can be applied to the specific target sentiment classification task, and the scalability of the syntax attention component also provides a new idea for other tasks in the natural language processing field.
Owner:XIAMEN MEIYA PICO INFORMATION CO LTD

Neural machine translation selective knowledge distillation method based on dependency constraint self-attention

The invention relates to a neural machine translation selective knowledge distillation method based on dependency constraint self-attention, and belongs to the technical field of machine translation. An existing knowledge distillation method has the problems that only vocabulary-level probability distribution is transmitted, syntactic structure constraints are ignored, and the capacity of a student model is reduced, so that the complex syntactic modeling capacity is insufficient. Therefore, according to the method, a syntactic matrix converted through a source language dependency syntactic tree is provided, linear combination is adopted to dynamically correct self-attention weight distribution of an encoder, and explicit syntactic constraints are synchronously injected into a teacher-student model. Through a selective distillation strategy of syntax perception, deep knowledge effective for training in a teacher model is screened, a cross-language syntax corresponding relation is obtained in combination with structure alignment distillation, and model compression and translation performance enhancement is realized through attention optimization and a selective knowledge transmission mechanism guided by a dependency syntax.
Owner:KUNMING UNIV OF SCI & TECH

User set speech viewpoint analysis method and device, computer equipment and storage medium

The invention relates to a user set speech viewpoint analysis method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring comment data about a target object of each user in a user set and character attribute information of each user; performing part-of-speech tagging on the comment data to obtain a plurality of fragments, constructing a dependency syntax tree according to the dependency relationship among the fragments, and analyzing the dependency syntax tree to obtain viewpoint features in the comment data; performing weighted summation according to the viewpoint polarity score and the polarity weight value corresponding to each viewpoint feature in the feature score table to obtain a personal viewpoint polarity score, and determining a personal viewpoint according to the personal viewpoint polarity score; and calculating an attribute weight value according to the character attribute information, calculating a viewpoint attribute score according to the personal viewpoint polarity score and the attribute weight value of each user, and determining a user set viewpoint according to the viewpoint attribute score. By adopting the method, the reliability and efficiency of user set viewpoint analysis can be improved, and intelligent speech management support is provided for organizations such as enterprises.
Owner:中央军委政法委员会侦查技术中心 +2

Emotion knowledge enhanced aspect-level sentiment analysis method, system, device and medium

The application discloses an aspect-level sentiment analysis method, system and device based on emotional knowledge and a medium, and can be widely applied in the technical field of sentiment analysis. The application obtains the dependency syntax tree of an input sentence, constructs the dependency graph structure of the sentence according to the dependency syntax tree, and then fuses the emotional knowledge and the position information into the dependency graph structure to obtain the adjacency matrix expressing the correlation between the nodes in the sentence. The global sharing of the emotional knowledge node parameters realizes the storage, updating and sharing of the emotional knowledge, thereby improving the fusion degree of the emotional knowledge. Then, the aspect-level sentiment analysis model is trained according to the sentences in the review corpus and the adjacency matrix, thereby reducing the cognitive bias of the model and improving the prediction performance of the model.
Owner:GUANGDONG UNIVERSITY OF FOREIGN STUDIES

Vietnamese dependency syntax tree bank construction method and system based on step-by-step optimization training

The invention relates to a Vietnamese dependency syntax tree bank construction method and system based on step-by-step optimization training, and belongs to the field of natural language processing. Comprising the following steps: designing block cue words and master and slave sentence recognition cue words to respectively guide a large model to carry out block segmentation and master and slave sentence recognition tasks on a high-quality Vietnamese corpus to obtain a block data set and a master and slave sentence data set; thinking chain cues are designed, a high-quality Vietnamese corpus data set, a pseudo-dependency syntactic tree of a traditional model, block data and master and slave sentence data are input into a large model, and a high-quality dependency syntactic tree bank data set is obtained through iterative optimization and fused with a public dependency syntactic tree bank; loading to a multi-language pre-training language model and a double-affine dependency syntax analysis model for re-training to obtain a model with better syntax analysis performance for constructing a Vietnamese dependency syntax tree bank. According to the method, the problem of Vietnamese dependency syntax data scarcity is effectively relieved, and the performance of Vietnamese dependency syntax analysis is remarkably improved.
Owner:KUNMING UNIV OF SCI & TECH

A standard problem reconstruction method for natural language number query

The present invention discloses a method for reconstructing standard questions for natural language query, comprising the following steps: Step 1, constructing a standard question corpus and storing the semantic and structural vectors of standard questions; Step 2, retrieving similar questions from the standard question corpus based on a twin neural network; Step 3: constructing a new dependency syntax tree to complete the standard reconstruction of the query question. The method for reconstructing standard questions for natural language query of the present invention solves the problems of inaccurate semantic understanding, data pattern mismatch, etc. in the prior art when processing fuzzy and complex queries, as well as the lack of means for standard verification of generated atomic questions. By proposing a standard verification method for atomic questions based on an improved twin neural network, it is ensured that each sub-question can accurately point to the required information, thereby significantly improving the overall quality of the query.
Owner:ZHEJIANG UNIV +1

Text readability analysis methods, systems, and electronic devices based on NLP processing

This application discloses a text readability analysis method, system, and electronic device based on NLP processing. The method extracts multiple character entities; performs word segmentation on the preprocessed text to be analyzed to obtain a word sequence and constructs a dependency syntax tree; based on the multiple character entities, the preprocessed text to be analyzed, and the dependency syntax tree, it extracts features such as the number of characters, the entropy of character personality diversity, the conflict density, the dialogue ratio, the relationship density, and the relationship complexity; it processes and fuses these features to obtain a fused feature vector; it inputs the fused feature vector into an encoder to obtain a preliminary score vector; and it determines the readability score of the text to be analyzed based on the preliminary score vector. This application can improve the accuracy of text readability analysis.
Owner:UNICOM WOYUEDU TECH CULTURE CO LTD

Text language automatic detection method and system based on syllable and affix features

PendingCN122366422ASyllableFeature vector
The application discloses a text language automatic detection method and system based on syllable and affix features, relates to the field of natural language processing, and comprises the following steps: text preprocessing and basic language unit extraction are performed on a text to be detected to obtain a text syllable sequence and an affix list; based on the affix list, a multidimensional pragmatic scene distribution vector in the context of the text syllable sequence is extracted, and core connectivity in a pre-constructed morphological paradigm knowledge graph is acquired; the function load value of the affix is matched from an affix function load database, the affix function load value is normalized, and a weighted affix feature vector is generated; syntax dependency relationship analysis and preliminary structure construction are performed on the text to be detected, and a dependency syntax tree of the text to be detected is generated. The application improves the detection accuracy and result interpretability of highly similar languages and mixed code texts by explicitly modeling and quantitatively evaluating deep morphological-syntactic rule features of languages.
Owner:CHANGJI UNIV

Aspect-level sentiment analysis method based on syntax and semantic fusion

The invention belongs to the technical field of natural language processing, and particularly discloses an aspect-level sentiment analysis method based on syntax and semantic fusion. Capturing context sequence features by adopting a bidirectional long-short-term memory network, and extracting deep syntactic structure features through two-channel syntactic features of a component syntactic tree and a dependency syntactic tree; semantic prior information of a SenticNet emotion knowledge base is integrated, potential semantic association is mined in combination with multi-head self-attention, and feature focusing of a target aspect word is enhanced by adopting a dynamic mask technology; self-adaptive weighted aggregation of syntactic-semantic information is realized through a feature fusion layer, and accurate emotional polarity prediction is realized by using an MLP and Softmax classifier after multi-granularity pooling processing and feature splicing. According to the method, syntactic structure constraints, semantic association reasoning and external emotion knowledge are integrated, context sensitive modeling of the words in the target aspect is achieved through self-attention, and the judgment precision of the emotion tendency in the specific aspect in the complex language environment is remarkably improved.
Owner:SICHUAN POLICE COLLEGE

A method for correcting grammatical errors by integrating constituent syntactic information

A grammatical error correction method incorporating component syntactic information belongs to the field of artificial intelligence technology. It includes: extracting component syntactic information from a given statement; using the erroneous statement, its corresponding correct statement, and the component syntactic information as input data; and constructing a multi-task grammatical error correction model that integrates component syntactic information to correct the erroneous statement. This method first extracts component syntactic information from the statement using grammatical analysis, serializes the statement's component syntactic tree to obtain a component syntactic sequence, and constructs triplet pairs as input data. Second, an adapter module is introduced to construct a multi-head attention mechanism model based on multi-task learning, learning the potential relationships between erroneous and correct statements, and between erroneous statements and component syntactic sequences. Finally, through pre-training and lightweight fine-tuning of the adapter module, the features of the erroneous statement, the correct statement, and the component syntactic sequence are fused to complete the grammatical error correction.
Owner:NANKAI UNIV

Translation method and device, electronic equipment and storage medium

The present application relates to the technical field of natural language processing, and provides a translation method and device, electronic equipment and a storage medium, wherein the method comprises: determining to-be-translated data and a scene label corresponding to the to-be-translated data; performing dependency syntax analysis on the to-be-translated data to obtain syntax tree data representing the grammatical dependency relationship between words in the to-be-translated data; and translating the to-be-translated data based on the scene label and the syntax tree data to obtain target translation data corresponding to the to-be-translated data, which not only effectively solves the problems of part-of-speech misjudgment of polysemous words and structural confusion in translation from an agglutinative language to a fusional language, but also takes into account the grammatical accuracy of the language structure and the business professionalism of the specific field expression, greatly improving the translation accuracy and the final text quality of machine translation in the vertical field and complex conversational scenarios.
Owner:HEFEI IFLYTEK TOYCLOUD TECH

Text abstract generation method and device based on semantic blocks, equipment and storage medium

The embodiment of the application belongs to the field of artificial intelligence, and relates to a text abstract generation method based on semantic blocks, comprising the following steps: obtaining sample data, performing component syntax analysis on the sample data to obtain a syntax tree, determining semantic blocks according to the syntax tree, inputting the semantic blocks into a pre-constructed initial text abstract model, encoding the semantic blocks to obtain semantic block codes, performing weighted calculation on the semantic block codes to obtain semantic block sequence vectors, performing attention mechanism calculation on the semantic block sequence vectors to obtain semantic block relationship vectors, inputting the semantic block relationship vectors into a CRF layer for training, outputting a predicted classification result, calculating a loss function, adjusting model parameters of the initial abstract generation model based on the loss function, ending iteration, generating a text abstract model, inputting a text to be processed into the text abstract model, and outputting a text abstract. The application also provides a text abstract generation device based on semantic blocks, equipment and a storage medium. The application can make the abstract more concise and refined.
Owner:华润数字科技有限公司

Vietnamese dependency syntax data enhancement method based on big language model collaboration

The invention provides a Vietnamese dependency syntax data enhancement method based on large language model collaboration, and belongs to the field of natural language processing. The method comprises the following steps of: generating an initial dependency syntax tree of Vietnamese sentences by using a plurality of current mainstream large language models as a multi-label model; by introducing an expert large language model GPT-4o-mini with a better analysis effect, scoring and feeding back a dependency tree output by each round, and driving a multi-label model to iteratively optimize until a set threshold value or a maximum round number is reached; and automatically selecting the dependency syntax tree with the highest score from the output of the three annotation models of each sentence to form a high-quality synthesized Vietnamese dependency syntax tree. And the syntactic analysis model is fused with an original UD Vietnamese training set, and training of the syntactic analysis model is completed. According to the method, high-quality automatic expansion of low-resource language Vietnamese dependency syntax data is realized, and the dependency analysis performance is effectively improved.
Owner:KUNMING UNIV OF SCI & TECH

A method and system for risk review of contract terms

The present application relates to the technical field of natural language processing, in particular to a contract clause risk review method and system, comprising the following steps: obtaining a to-be-reviewed contract text, deconstructing the sentences of each contract clause to obtain a clause analysis feature set. The present application extracts the feature details of the syntactic tree depth, the reference distance, the logical nesting layer number and the professional term density by disassembling the contract clauses into basic semantic units sentence by sentence, uses the four types of index combinations in the clause analysis feature set to realize the measurement of the single clause analysis complexity score, and further aggregates the clause analysis complexity score to form specific indexes capable of quantifying the overall understandability risk of the contract. Meanwhile, the to-be-reviewed contract and the standard contract text library are executed for theme clustering and semantic weight distribution to clearly understand the actual focus of each theme, and the themes with larger semantic deviation are marked as missing risks.
Owner:INSPUR SMART SUPPLY CHAIN TECH (SHANDONG) CO LTD

Self-learning data analysis model recommendation method and system based on domain adaptation

The invention relates to the technical field of artificial intelligence and data analysis, and particularly provides a self-learning data analysis model recommendation method and system based on domain adaptation, and the method comprises the steps: dividing an input text into atomic analysis units through employing a syntactic tree analysis and paragraph topic clustering algorithm, pre-labeling entities in the atomic analysis unit based on a domain dictionary and a rule engine; according to the atomic analysis unit, outputting an analysis model recommendation result by adopting a semantic word segmentation optimization method, a multi-granularity retrieval matching method and a double-weight calculation sorting method; representing an association relationship between entities in the analysis model recommendation result based on an entity association graph; and performing structure updating on the entity association graph based on the user interaction behavior. According to the method, the text analysis accuracy, the semantic understanding depth, the recommendation precision and the dynamic updating capability of the knowledge base are remarkably improved, an efficient, accurate and self-adaptive solution is provided for data analysis in the vertical fields of medical treatment, finance, education and the like, and the method has important value and wide application prospects.
Owner:PEOPLES HOSPITAL OF INNER MONGOLIA AUTONOMOUS REGION

Text readability analysis method and system based on NLP processing and electronic equipment

The invention discloses a text readability analysis method and system based on NLP processing and electronic equipment. The method comprises the following steps: extracting a plurality of character role entities; performing word segmentation processing on the preprocessed to-be-analyzed text to obtain a word sequence, and constructing a dependency syntax tree; on the basis of the character role entities, the preprocessed to-be-analyzed text and the dependency syntax tree, character number features, character character diversity entropy features, conflict density features, dialogue proportion features, relation density features and relation complexity features are extracted; performing feature processing and fusion on the role number feature, the role character diversity entropy feature, the conflict density feature, the dialogue proportion feature, the relationship density feature and the relationship complexity feature to obtain a fused feature vector; inputting the fused feature vector into an encoder to obtain a preliminary score vector; and determining a readability score of the to-be-analyzed text according to the preliminary score vector. According to the method, the accuracy of text readability analysis can be improved.
Owner:UNICOM WOYUEDU TECH CULTURE CO LTD

Cross-language dependency syntactic analysis method based on large model migration and self-optimization synthetic data enhancement

The invention relates to a cross-language dependency syntactic analysis method based on large model migration and self-optimization synthetic data enhancement, and belongs to the field of natural language processing. Firstly, on one hand, a fine-grained syntactic analysis instruction is designed to guide a large model to recognize cross-language syntactic generality and difference information so as to generate pseudo data based on the large model; on the other hand, a cross-language syntax parser is trained and is also used for generating pseudo data based on the cross-language syntax parser; secondly, designing an iterative self-optimization algorithm to enable the large model to fuse the advantages of the two types of pseudo data, so as to obtain high-quality synthetic data; according to the method, organic fusion of a large-model semantic understanding advantage and a traditional model structure analysis advantage is effectively realized, syntactic generality and difference of different languages are deeply mined, the accuracy of target low-resource language dependency analysis is remarkably improved, a high-quality synthetic syntactic tree bank is constructed, and the method is suitable for large-scale and large-scale analysis. And more convenience is provided for cross-language tasks.
Owner:KUNMING UNIV OF SCI & TECH

A multilingual syntax tree generation method based on multi-source syntax guidance and large model collaborative optimization

This invention relates to a multilingual syntax tree generation method based on multi-source syntax guidance and large-scale model collaborative optimization, belonging to the field of natural language processing. The method first generates a dependency syntax tree from the source language text using a traditional syntax analyzer, and performs quality assessment based on the reliability of the root node and dependency relations. For structures with low scores, the Qwen3-8B model is introduced for preliminary correction to improve the quality of the source tree. Subsequently, the segmented target language text and the quality-aligned source language syntax structure are used together as input prompts to guide multiple large-scale models to collaboratively generate the target language syntax tree, achieving cross-language syntax structure transfer. Finally, through consistency integration, rule compliance verification, and format standardization steps, high-quality, uniformly formatted pseudo-syntax tree data is generated. This invention can significantly improve the accuracy of low-resource language syntax analysis and the effectiveness and reliability of data generation standardization in low-resource dependency analysis tasks.
Owner:KUNMING UNIV OF SCI & TECH

A syntax-aware candidate matching based sentiment element extraction method and system

PendingCN122452549APart of speechData mining
The application provides a sentiment element extraction method and system based on syntax-aware candidate matching, which specifically comprises the following steps: performing syntax analysis on input text to obtain a syntax tree to extract part-of-speech tags and phrase structures; extracting a candidate attribute word set from the syntax tree based on a preset attribute part-of-speech pattern, retrieving attribute sample examples from an example library according to text syntax vector representations corresponding to candidate attribute word phrase structures, and using the attribute sample examples to guide a plurality of large language models to generate reliable triplets; extracting a candidate opinion word set from the syntax tree based on a preset opinion part-of-speech pattern, retrieving opinion sample examples from the example library according to text syntax vector representations corresponding to candidate opinion word phrase structures, and using the opinion sample examples to guide the plurality of large language models to generate reliable quadruplets; and fusing the reliable triplets and the reliable quadruplets to obtain a sentiment element extraction result.
Owner:MINJIANG UNIVERSITY

A method for mapping noun phrases to description logic concepts based on externalization

The method for mapping a noun phrase to a description logic concept based on epitaxy firstly exhaustively lists all text segments of the noun phrase, generates a mapping table of the text segments to resources in a knowledge base; then generates an analysis sequence according to the word segmentation, part-of-speech tagging and syntax tree of the noun phrase; and finally, according to the analysis sequence, continuously refines basic concepts generated by the indexed resources from the concept of EL++, until all words are analyzed, to obtain the description logic concept to which the noun phrase is mapped. The application can automatically process complex noun phrases containing implicit relations and generate high-quality description logic concepts through analysis of the syntax tree.
Owner:NANJING UNIV

A knowledge extraction method, system, device and storage medium

The present disclosure discloses a knowledge extraction method, system, device and storage medium. The knowledge extraction method comprises: obtaining and processing text data describing an object to determine a plurality of sentences and an object category corresponding to each sentence; generating a syntax relationship template for each sentence, the syntax relationship template comprising the part of speech of each word and the dependency relationship between the words; generating a syntax tree corresponding to each sentence through syntax analysis; matching the syntax relationship template and the syntax tree, and if the match is consistent, generating a candidate knowledge using the matched syntax subtree; using a knowledge prediction model to predict whether the candidate knowledge is correct knowledge; and using a knowledge classification model to process the predicted correct knowledge to identify the knowledge category corresponding to each piece of knowledge. The knowledge extracted according to the present scheme has the characteristics of low redundancy and high accuracy.
Owner:CHEZHI HULIAN BEIJING SCI & TECH CO LTD

Phoneme prediction method and device, electronic equipment, computer readable storage medium and computer program product

The invention provides a phoneme prediction method and device, electronic equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: obtaining a to-be-processed text, performing text coding processing on the to-be-processed text to obtain text features, constructing syntactic tree information of the to-be-processed text based on the to-be-processed text, performing graph convolution processing on the syntactic tree information to obtain syntactic tree features, performing fusion processing on the syntactic tree features and the text features to obtain fusion codes, and obtaining the fusion codes. And determining phonemes of the to-be-processed text based on the fusion code. According to the invention, the accuracy of the predicted phonemes can be improved.
Owner:MASHANG CONSUMER FINANCE CO LTD

Knowledge graph construction method and device, equipment and medium

The embodiment of the invention provides a knowledge graph construction method and device based on PLC patent data, equipment and a medium, and the method comprises the steps: carrying out the standardization processing of structured patent data and unstructured patent data of a plurality of patent databases, obtaining initial standardized patent data, and carrying out the cross-data-source semantic mapping and unified coding processing; obtaining a standardized patent data set with a global entity identifier; performing entity labeling, disambiguation and alignment processing on the text data in the standardized patent data set based on an entity recognition model; generating a structured knowledge entity library according to the standardized patent data set and the processing result of the entity recognition model; according to the structured knowledge entity library, constructing a dependency syntax tree corresponding to each text sentence in the text data; determining a target entity triple based on the head word of each text sentence and the corresponding dependency syntax tree; and constructing a PLC patent data knowledge graph according to the target entity triples corresponding to all the dependency syntax trees.
Owner:BEIHANG UNIV