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Data query method and device

A technology for data query and query nodes, applied in database indexing, electronic digital data processing, structured data retrieval, etc., can solve problems such as insufficient support for complex query operations, low query accuracy, etc., to improve support capabilities and improve accuracy rate effect

Active Publication Date: 2022-02-25
ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, the existing data query methods using natural language still have the problems of low query accuracy and insufficient support for complex query operations

Method used

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  • Data query method and device

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Embodiment Construction

[0068] The solution provided by the present invention will be described below in conjunction with the accompanying drawings.

[0069] As mentioned above, the use of natural language for data query can greatly reduce the technical threshold of query data operation, so that query operators can conveniently perform data query without mastering a professional data query language. However, there are also problems in using natural language for data query at present. For data query and analysis based on natural language, for data extraction, the query statement obtained after language analysis basically requires complete accuracy. This aspect is different from the natural language processing algorithms in the traditional natural language processing NLP (Natural Language Processing) field. The results of traditional natural language processing are usually probabilistic rather than completely accurate. Therefore, the current mainstream technical solutions for data query using natural ...

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Abstract

The embodiment of the invention provides a data query method and device. The method comprises the steps of obtaining a first statement used for conducting data query on a data storage system, wherein the first statement is based on a natural language; determining the natural semantics of the first statement, wherein the natural semantics comprises a query condition of a data query basis and description of a target data item to be acquired for the data query; on the basis of natural semantics, generating a query logic tree, wherein the query logic tree indicates that an intermediate logic step of the target data item is obtained according to the query condition, and the intermediate logic step is irrelevant to the data storage structure; and generating a second statement based on the data query language according to the query logic tree.

Description

technical field [0001] One or more embodiments of this specification relate to the fields of natural language processing and data analysis, and in particular, to a data query method and device. Background technique [0002] Natural language query is data query based on natural language. Natural language query lowers the technical threshold of data query operation, so that operators can conveniently perform data query without mastering professional data query language. In particular, for example, in scenarios where the number of professional and technical personnel who master the data query language in the enterprise is insufficient, or the demand for data query is huge, it can help the enterprise to improve the efficiency of enterprise data query due to the bottleneck of data query workload caused by the above reasons. However, the existing data query methods using natural language still have the problems of low query accuracy and insufficient support for complex query oper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/2453G06F16/242G06F16/22
CPCG06F16/2453G06F16/2433G06F16/2246
Inventor 田有朋李俊刘海波朱文嘉黄亚东王小卫
Owner ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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