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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11721229 B1

PDFFull Text
Date of Patent:
Aug. 08, 2023

Filed:

Sep. 11, 2019

Question correction method, device, electronic equipment and storage medium for oral calculation questions

Applicant:

Hangzhou Dana Technology Inc., Zhejiang, CN;

Inventors:

Fan Shi, Zhejiang, CN;

Tao He, Zhejiang, CN;

Huan Luo, Zhejiang, CN;

Mingquan Chen, Zhejiang, CN;

Assignee:

Hangzhou Dana Technology Inc., Zhejiang, CN;

Attorney:

JCIP Global Inc.

Primary Examiner:

Stephen S Hong

Assistant Examiner:

Ahamed I Nazar

Int. Cl.
CPC ...
G06N 3/08 (2023.01); G06F 16/245 (2019.01); G09B 7/02 (2006.01); G06F 40/284 (2020.01); G06N 3/04 (2023.01); G09B 19/02 (2006.01); G06V 30/40 (2022.01); G06F 18/21 (2023.01); G06V 30/14 (2022.01); G06V 30/148 (2022.01); G06V 30/19 (2022.01); G06V 10/82 (2022.01); G06V 30/413 (2022.01);
U.S. Cl.
CPC ...
G09B 7/02 (2013.01); G06F 16/245 (2019.01); G06F 18/21 (2023.01); G06F 40/284 (2020.01); G06N 3/04 (2013.01); G06N 3/08 (2013.01); G06V 10/82 (2022.01); G06V 30/1444 (2022.01); G06V 30/153 (2022.01); G06V 30/19173 (2022.01); G06V 30/40 (2022.01); G06V 30/413 (2022.01); G09B 19/025 (2013.01);
Abstract

The present disclosure provides a question correction method and device for oral calculation questions. The feature vector of the question to be searched is obtained according to the content of token in the stem of each question to be searched, and then the feature vector of each question to be searched is used to search for the target test paper that matches the test paper to be searched in the question bank. For the question to be searched in the form of oral calculation question, a second search is performed in the target test paper based on the feature vector of the question, and the search criterion is the minimum shortest editing distance. If the question type of the matched target question is also an oral calculation question, it is determined that the question to be searched is the oral calculation question to be corrected, then a preset oral calculation engine is used to calculate the oral calculation question to be corrected and the calculation result is output as the answer to the oral calculation question to be corrected. By applying the solution provided by the present disclosure, the accuracy of correction on oral calculation questions can be improved.

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