Question and answer method and device based on terminal

CN119698608APending Publication Date: 2025-03-25HUAWEI TECH CO LTD
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Patent Information

Application Number
CN202280098997.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2022-08-19
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

The existing technology cannot effectively understand the user's query intention on the terminal device, causing the device-side search to be unable to accurately filter and display the required information, especially when dealing with privacy and large amounts of information.

Method used

By deploying semantic models and intent classification models on terminal devices, we obtain query text, perform word segmentation processing and intent classification, use unstructured and structured databases for precise retrieval, and combine inverted index and vector index technologies to achieve multi-channel recall and Answer matching provides a display of long and short answers.

Benefits of technology

It achieves accurate understanding and matching of user queries on terminal devices, improves the accuracy of search results and user experience, and ensures the privacy and efficiency of information.

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Abstract

A terminal-based question and answer method and device are applied to terminal equipment, and the method comprises the following steps: obtaining a query text; based on the query text, determining a query category corresponding to the query text; when the query category is a first query category, retrieving an answer corresponding to the query text from a first unstructured database; when the query category is a second query category, retrieving an answer corresponding to the query text from the first structured database; wherein the first unstructured database comprises multiple pairs of question and answer pairs, the first structured data comprises multiple items of structured data, and the multiple pairs of question and answer pairs and the multiple items of structured data are obtained based on data stored in the terminal equipment. According to the method, the query category of the user is recognized, corresponding query steps are executed according to different query categories, corresponding query results are matched for the user, and end-side question answering is achieved.
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