Abstract
The coronavirus disease 2019 (COVID-19) epidemic poses a threat to the everyday life of people worldwide and brings challenges to the global health system. During this outbreak, it is critical to find creative ways to extend the reach of informatics into every person in society. Although there are many websites and mobile applications for this purpose, they are insufficient in reaching vulnerable populations like older adults who are not familiar with using new technologies to access information. In this paper, we propose an AI-enabled chatbot assistant that delivers real-time, useful, context-aware, and personalized information about COVID-19 to users, especially older adults. To use the assistant, a user simply speaks to it through a mobile phone or a smart speaker. This natural and interactive interface does not require the user to have any technical background. The virtual assistant was evaluated in the lab environment through various types of use cases. Preliminary qualitative test results demonstrate a reasonable precision and recall rate.
Highlights
The world has been facing an unprecedented health crisis caused by the COVID-19
There are many websites and mobile applications for this purpose, they are insufficient in reaching vulnerable populations like older adults who are not familiar with using new technologies to access information
We present the design of a chatbot assistant that offers real-time, useful, contextaware, and personalized tips and information to users, especially older adults through automatic question answering
Summary
The world has been facing an unprecedented health crisis caused by the COVID-19. Governmentcoordinated efforts across the globe have focused on coping with the COVID-19 situation. Based on the knowledge graph, we build a flexible dialogue system to support task-oriented conversation that can recognize user’s speech, identify user’s intention, and provide suitable responses to users, using AI technologies including natural language processing, semantic search, logic reasoning, and machine learning It can answer various questions about COVID-19, such as general questions like “Is COVID-19 vaccine safe?”, “What are the symptoms of COVID-19?”, “Is COVID-19 airborne?”, etc.; or specific personal questions, like “Do I need to be tested for COVID-19?”, “Where I can get tested for COVID-19?”, “How many new cases of COVID-19 appear in my grandson’s school this week?”, etc. We developed a chatbot prototype system using AI technologies including natural language processing, knowledge graph, logic reasoning, and machine learning This chatbot aims to assist people, especially older adults, to get timely information about COVID-19.
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