A Systematic Review on Sentiment Analysis for The Depression Detection During Covid-19 Pandemic

Social media platforms such as Facebook, Twitter and Instagram are powerful tools to express sentiments and emotions across the globe. Researchers use sentiment analysis and its evaluation to reveal the positive, negative and neutral opinions associated with an individual or group. In this study, we have analysed the literature available on sentiment analysis based on various parameters such as publication count, year of publication, country and university wise production and keyword progression. Results reveal that sentiment analysis is a pre-owned field and researchers are contributing to this field since 2008. Collaboration among different countries and universities have also seen during this study with maximum contributions received during 2019. Further this study shows that 149 unique keywords are used by different researchers in their literature. 65 universities have contributed to the literature with the highest number of authors from India.