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Intelligent question-answering method and system

An intelligent question answering and algorithm technology, applied in character and pattern recognition, instruments, electronic digital data processing, etc., can solve the problems of disorder, large amount of data, low application rate, etc., to achieve difficult search, many rules and regulations, Safety-critical effects

Pending Publication Date: 2020-11-17
深圳鹏锐信息技术股份有限公司
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Problems solved by technology

The large amount of data generated, the large amount of data, disorder, and low application rate make it difficult to achieve intelligent question and answer and accurately give the desired answer

Method used

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Embodiment Construction

[0048] In the description of the present invention, it should be noted that the terms "2-word frequency" and "3-word frequency" refer to the synthesis of 2 word frequencies after word segmentation, referred to as 2-word frequency, and the synthesis of 3 word frequencies into 3-word frequency for short. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

[0049] 1. Collect professional technical specifications of power plants such as centralized control operation regulations, auxiliary machine regulations, main engine regulations, equipment technical specifications, inspection and maintenance procedures in the power generation industry, and then sort out the electronic version of the collected data. Since the files are relatively large, the process of making Classify according to the power plants and extract them one by one. After sorting out the documents, the OCR technology text recogniti...

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Abstract

The invention discloses an intelligent question-answering method and system. The method and system are created based on a power industry knowledge graph. Regulations and specifications of the power industry are many, safety requirements are high, and the document search difficulty is large. Power industry knowledge is processed based on a natural language, and a synonym library and an abbreviationlibrary are constructed. According to a classification framework of a system, equipment and the like, a big data algorithm is used for layer-by-layer decomposition, mutual construction of knowledge maps of questions and answers is achieved, and N_gram, Jaccard similarity coefficients, longest common sub-sequences, simHash, word2vec and cosine similarity are fused, so that the intelligent questionand answer method is achieved. Power industry personnel can be helped to construct an intelligent question-answering library, wanted answers can be quickly and accurately found, and intelligent question answering is achieved.

Description

technical field [0001] The invention relates to the technical field of electric power information management, in particular to an intelligent question answering method and system. Background technique [0002] The Question Answering (QA) system originated from the Turing test. With the development of time, the field of question answering systems has undergone major changes. According to the different data formats processed, the question answering system has gone through the structured knowledge base stage, the unstructured text stage, and the stage based on question answer data. With the development of big data technology and artificial intelligence technology, the intelligent question answering system is also constantly developing. At present, there are many intelligent question answering systems, but there is a lack of industrial intelligent question answering applications, especially intelligent question answering systems in the power generation industry. When searching...

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Application Information

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IPC IPC(8): G06F16/332G06F16/33G06F16/35G06F16/36G06F40/289G06K9/62
CPCG06F16/3329G06F16/3344G06F16/35G06F16/367G06F40/289G06F18/22
Inventor 葛涛沈稳蔡荣亮张婷婷潘益伟余青王辉宋宇吕荣武
Owner 深圳鹏锐信息技术股份有限公司
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