Diareme KC, Liapakis A, Efthymiou I. Big Data, Sentiment Analysis, and Examples during the COVID-19 Pandemic. HAPScPBS [Internet]. 2022 Dec. 29 [cited 2024 Dec. 22];3(2):21-30. Available from: https://ejournals.epublishing.ekt.gr/index.php/hapscpbs/article/view/33779