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NTIS 바로가기한국산학기술학회논문지 = Journal of the Korea Academia-Industrial cooperation Society, v.22 no.5, 2021년, pp.317 - 324
윤상후 (대구대학교 수리빅데이터학부) , 정상윤 (대구대학교 수리빅데이터학부) , 김영아 (제주대학교 간호대학.건강과간호연구소)
This study deals with keywords from social media on domestic portal sites related to COVID-19, which is spreading widely. The data were collected between January 20 and August 15, 2020, and were divided into three stages. The precursor period is before COVID-19 started spreading widely between Janua...
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