Tax domain-oriented knowledge graph construction method

Abstract

The invention discloses a tax domain-oriented knowledge graph construction method. According to the construction method, a top-down and bottom-up combined mode is adopted. The method comprises the following steps: firstly, constructing a tax knowledge graph mode based on tax knowledge in a tax expert system; then, data processing including tax data source selection and acquisition, data cleaning and the like is carried out; then information extraction is carried out, and information extraction is carried out on the processed data according to different types and a mode diagram; tax knowledge fusion is carried out, knowledge sources in a tax knowledge graph are different, problems of knowledge repetition, relationship redundancy and the like need to be subjected to mode matching, entity alignment and the like, and knowledge is stored in a knowledge base after knowledge fusion is completed. And finally, knowledge feedback is carried out, and knowledge conflicts in intelligent tax model construction are solved by using a tax expert system. And finally, the problem of untight combination of the knowledge graph and the tax scene is solved.

Description

technical field [0001] The invention belongs to the technical field of taxation, and in particular relates to a method for constructing a knowledge map oriented to the taxation field. Background technique [0002] With the rapid development of the market economy and the continuous advancement of reform and opening up, the total number of taxpayer households in my country has increased significantly and has reached more than 60 million. However, there are about 700,000 tax cadres in our country, among which the grassroots tax authorities account for 97%, about 680,000. Relying on the existing tax service system, the workload of customized services and management for taxpayers is increasing, human resources are becoming more and more tense, and the work of reducing the burden is difficult. The existing tax information system collects a large amount of taxpayer data, and analyzes the data according to the existing model to obtain some information results, but the information i...

AI Technical Summary

Problems solved by technology

[0008] The method of using the above literature in the tax field mainly has the following problems: most of the data sources used in literature 1 are structured and mature medical data sets, and there are few unlabeled unstructured data processed; literature 2 combines general data It is difficult to meet the characteristics of the depth of knowledge required by domain knowledge when building a domain knowledge map

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