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Text interaction matching method and device for financial knowledge questions and answers

A matching method and text technology, applied in the field of interactive text matching of financial knowledge question answering, can solve problems such as the inability to accurately judge the degree of matching between user questions and standard questions.

Active Publication Date: 2019-08-02
QILU UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this technical solution cannot accurately judge the matching degree of user questions and standard questions, and map user questions to standard questions

Method used

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  • Text interaction matching method and device for financial knowledge questions and answers
  • Text interaction matching method and device for financial knowledge questions and answers
  • Text interaction matching method and device for financial knowledge questions and answers

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Experimental program
Comparison scheme
Effect test

Embodiment

[0097] As attached figure 1 As shown, the text interactive matching method for financial knowledge question and answer of the present invention includes the following steps:

[0098] S1. Construct a question-pair knowledge base: crawl question-pairs from the financial knowledge Q&A platform, preprocess the question-pairs, and initially construct the question-pair knowledge base; as attached figure 2 As shown, the specific steps for constructing a problem-to-knowledge base are as follows:

[0099] S101. Use crawler technology to crawl question pairs from the financial knowledge question-and-answer platform. The question-and-answer community uses the Web format to display, and uses the Scrapy tool to obtain question sets with similar intents to build a question-pair knowledge base; in addition to crawling data by itself, it also You can use a public question pair dataset as a knowledge base, such as the BQ dataset, which comes from the paper: Jing Chen, Qingcai Chen, Xin Liu, Ha iju...

Embodiment 2

[0163] As attached Figure 7 As shown, the text interactive matching device for financial knowledge question and answer of the present invention includes:

[0164] The question-pair knowledge base building unit is used to use crawler technology to crawl question-pairs from the financial knowledge question and answer platform on the Internet, and then pre-process the question-pair knowledge base, perform sentence hyphenation processing of the question-pair, and construct the question-pair knowledge base; Among them, the question-to-knowledge building unit includes:

[0165] The crawler unit is used to grab the content of the financial knowledge question and answer platform from the Internet, and save the results in the form of question pairs;

[0166] The crawler data processing unit is used to combine the problem pairs obtained by the crawler to construct training positive examples and training negative examples, and to hyphenate the sentences of the problem pair to construct the pro...

Embodiment 3

[0182] Based on the storage medium of Embodiment 1, a plurality of instructions are stored therein, and the instructions are loaded by the processor to execute the steps of the text interactive matching method in the embodiment.

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Abstract

The invention discloses a text interaction matching method and device for financial knowledge questions and answers, belongs to the field of natural language processing, and provides a method for mapping user questions to standard questions in order to accurately judge the matching degree of the financial knowledge questions of a user and the standard financial knowledge questions, and the methodcomprises the following steps: 1, constructing a question pair knowledge base; s2, constructing a question pair matching model training data set; s3, constructing a question pair matching model, comprising the following steps: S301, constructing a character mapping conversion table; s302, constructing an input layer; s303, constructing a character vector mapping layer; s304, constructing a text coding model of an attention mechanism; s305, constructing a text interaction matching layer; and S4, training a question pair matching model and question selections with the intention. (2) The devicecomprises a question pair knowledge base construction unit, a question pair matching model training data set generation unit, a question pair matching model construction unit and a question pair matching model training unit.

Description

Technical field [0001] The invention relates to the technical field of natural language processing, in particular to a text interactive matching method and device for financial knowledge question and answer. Background technique [0002] With the development of the information age, people are accustomed to using the Internet to solve various problems encountered in life, such as financial knowledge question and answer platforms, users can consult financial knowledge such as loans, investment, and wealth management online, and practitioners in related fields will answer User questions are similar to online Q&A communities and Baidu Zhizhi, etc. These Q&A communities provide users with great convenience. With the increase in the number of online users asking questions, a variety of new questions are being asked, but the number of experts who can answer questions is relatively small, and the speed of answering questions is also difficult to increase, which has caused the user experi...

Claims

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Application Information

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IPC IPC(8): G06F16/332G06F16/36G06F17/27G06K9/62G06K9/66
CPCG06F16/3329G06F16/367G06V30/194G06F40/30G06F18/214
Inventor 鹿文鹏张旭吴昊黄河燕
Owner QILU UNIV OF TECH
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