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Question Comprehension and Answer Organization for Scientific Education of Epidemics |
Cheng Zijia,Chen Chong() |
School of Government, Beijing Normal University, Beijing 100875, China |
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Abstract [Objective] This study constructs a KGQA system based on the knowledge graph of epidemics, which improves the comprehension of user questions and organization of answers, aiming to effectively disseminate professional knowledge to the public. [Methods] First, we summarized users’ information needs based on multiple health information systems. Then, we combined the AC algorithm with BERT model to understand user queries and map the elements of questions to structured query statements. Third, we retrieved answers from the pre-constructed epidemic knowledge graph. Finally, we organized the answers with Flask framework and a variety of JS packages, which improved the front end interaction and presentation. [Results] The average accuracy of our new Q&A system was more than 90% and the proposed method is practical for specific domains. [Limitations] The knowledge of epidemic diseases was retrieved from the public dataset of AMiner platform and the Q&A coverage as well as the question types should to be expanded. [Conclusions] The proposed model optimizes the semantics of the question comprehension, as well as the organization of answers, which helps the public understand the professional knowledge effectively.
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Received: 21 September 2021
Published: 14 April 2022
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Fund:National Social Science Fund of China(21BTQ065) |
Corresponding Authors:
Chen Chong,ORCID:0000-0002-9704-1575
E-mail: chenchong@bnu.edu.cn
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