53 results about "Syntactic tree" patented technology

The invention discloses an event detection and extraction method and system based on entity and trigger word fusion recognition. The method comprises the steps that trigger words in event text data are extracted; mapping the event text to a vector space based on a word embedding model, and constructing an event text classifier to perform similarity measurement on all words of which the part-of-speech is a verb and the trigger word in the event text; constructing an event detection model to obtain an event category in the event text data; identifying a key element entity of the event; constructing a dependency syntax tree to represent a syntactic dependency relationship of the sentences; obtaining the score of the dependency syntax tree; and inputting the preprocessed word vector and the part-of-speech vector representation obtained through supervised learning into a role tagging model for fusion to obtain a vector representation with part-of-speech features, and after training, carrying out conditional random field processing to obtain a final semantic role tag of the word. Accurate event detection based on entities is realized, and high-quality extraction of events is towed.

The invention discloses an operation and maintenance fault processing method and device based on a large model and a knowledge graph, equipment and a medium, and relates to the field of operation and maintenance fault diagnosis processing, and the method comprises the steps: constructing an operation and maintenance fault processing domain ontology, and inputting historical operation and maintenance fault information and the operation and maintenance fault processing domain ontology into a preset large model to obtain a target triple, obtaining an operation and maintenance fault processing knowledge graph based on the target triple; performing dependency syntactic analysis on the historical operation and maintenance fault information to obtain a dependency syntactic tree, processing the dependency syntactic tree based on the operation and maintenance fault processing knowledge graph to obtain a first dependency syntactic tree, and obtaining a fault processing question and answer template library by using the first dependency syntactic tree; determining a second dependency syntax tree based on the operation and maintenance fault information to be processed, determining a question and answer template corresponding to the second dependency syntax tree from a question and answer template library, and instantiating the question and answer template to obtain a semantic query graph; and determining a target sub-graph corresponding to the semantic query graph from the knowledge graph, and obtaining an operation and maintenance fault processing result based on the target sub-graph.

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.

The invention discloses a short video retrieval method combining a pre-training model and a dependency syntax tree, and relates to the technical field of multi-modal learning, computer vision and information retrieval cross fusion. The semantic information in the context is captured by using the advantages of BERT, and the deep semantic representation is generated, so that the meaning of the sentence is more accurately understood. A clear syntactic relationship is provided by using the dependency syntactic tree, and the structured dependency relationship between words can be revealed. The relationship can help the model to better understand logic semantics in sentences and extract text features related to tasks in a more targeted manner. Through the dependency syntax tree and the model, primary and secondary information in the long sentences can be distinguished more accurately, the problems of word order ambiguity and the like are eliminated, feature extraction is more stable, and robustness is improved. The dependency syntactic tree is explicit grammatical representation, and structured information of the dependency syntactic tree can assist in analyzing BERT implicit features, so that more explainable basis is provided for the decision process of the model, and the interpretability is remarkably enhanced.

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.

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.

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.

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.

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.

The invention discloses a standard question reconstruction method for natural language number checking, which comprises the following steps of: 1, constructing a standard question corpus, and storing semantics and structure vectors of standard questions; 2, similar question retrieval is performed from a standard question corpus based on a twin neural network; and 3, constructing a new dependency syntax tree, and completing normative reconstruction of a query problem. According to the normative problem reconstruction method for natural language query, the problems that in the prior art, when fuzzy complex query is processed, semantic understanding is not accurate, and data modes are not matched are solved, and a means for normative verification of the generated atomic problem is lacked. According to the atomic problem normativity verification method based on the improved twin neural network, it is ensured that each sub-problem can accurately point to needed information, and therefore the overall quality of query is remarkably improved.

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.

The present invention relates to a method for constructing a Vietnamese dependency syntax tree bank based on joint optimization training, and belongs to the field of natural language processing. The present invention comprises: using Chinese, English and Vietnamese experimental data to respectively train three bi-affine dependency syntax analysis models, which are a Chinese model, an English model and a Vietnamese model. The three trained bi-affine dependency syntax analysis models are used to parse the dependency syntax tree corresponding to the Vietnamese unlabeled text, and the results of the Vietnamese model analysis are used as a reference standard to screen the parsing results of the Chinese model and the English model. The three bi-affine dependency syntax analysis models are re-iteratively optimized using the screened data and further data selection is performed, thereby constructing a high-quality Vietnamese dependency syntax tree bank. This method can alleviate the problem of scarcity of Vietnamese dependency syntax data, thereby significantly improving the performance of Vietnamese dependency syntax analysis.

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.

The embodiments of this specification provide a method, apparatus, and device for generating structured query statements, which relate to the field of big data technology. Among them, the method includes: obtaining a target text; generating a target dependency syntactic tree based on the target text; determining the semantic dependency structure of the target text based on the target dependency syntactic tree; using the semantic dependency structure to determine a set of structured query parameters; where the set of structured query parameters contains multiple structured query parameter values required for generating a structured query statement corresponding to the target text; and generating a structured query statement corresponding to the target text according to the set of structured query parameters and the semantic dependency structure. In the embodiments of this specification, a structured query statement of the target text can be accurately generated based on the semantic dependency structure, enabling business personnel without a technical background to conveniently access big data using structured query statements.

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.

The invention provides an intelligent outbound mapping knowledge domain construction method and system based on a dialogue scene, and relates to the technical field of voice mapping knowledge domains, dialogue audio is converted into a text in real time through a voice recognition API, a syntactic tree is constructed by using a word segmentation tool and syntactic analysis, and part-of-speech and dependency relationships are recognized. Thirdly, inputting the syntactic labeling sequence into a BERT model for entity recognition, and generating an entity set; and establishing a rule set reasoning new relationship, and calculating the entity influence by using a graph theory algorithm. And finally, mapping the dependency relationship into an entity set, generating a hierarchical index of each entity according to the up-and-down hierarchical relationship of the entities and the influence index, and constructing a multi-level knowledge graph through hierarchical mapping.

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.

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.

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.

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.

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.

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.

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.

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.

The invention relates to a digital method for processing analysis and filtering queries in a standardized proprietary programming language, by a task orchestrator (2), comprising the steps of: - retrieval by the orchestrator (2) of a code to be processed in a standardized proprietary language; - transformation of the code to be processed into an initial abstract syntax tree convertible into a standardized programming language; - submission of the initial abstract syntax tree to a resolver (4); - conversion by the resolver (4) of the initial abstract syntax tree into an enriched abstract syntax tree convertible into C# and including annotations interpretable by a Linq conversion processor; - submission of the enriched abstract syntax tree to a translation module (5); - conversion of the enriched abstract syntax tree into a Linq expression tree; - conversion (6) of the Linq expression tree into a series of Sql queries for querying a database (8).Figure to be published with the abbreviation: Fig. 1.

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.

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.

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.

The present invention discloses an event detection and extraction method and system based on entity and trigger word fusion recognition, the method comprising: extracting trigger words from event text data; mapping event text to vector space based on a word embedding model, and constructing an event text classifier to measure similarity between all words with verb part of speech and trigger words in the event text; constructing an event detection model to obtain event categories in event text data; identifying key element entities of events; constructing a dependency syntax tree to represent the syntactic dependency of sentences; obtaining the score of the dependency syntax tree; inputting the preprocessed word vector and the part of speech vector representation obtained through supervised learning into a role labeling model for fusion to obtain a vector representation with part of speech features, and obtaining the final semantic role label of the word through conditional random field processing after training. The present invention realizes accurate event detection based on entities and drives high-quality extraction of events.

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.