Affiliation:
1. St. Joseph's University, India
2. Alliance University, India
Abstract
Today's doctors and patients rely on online platforms to express opinions on health matters. Public health importance, especially after the COVID-19 pandemic in both developing and developed countries are focusing on building sustainable, resilient health systems and implementing policies to address prevailing healthcare challenges. Adoption of latest trends and technologies leads to the processing of extensive bigdata by heavy statistical evaluations through machine learning and deep learning techniques to predict prominent semantic patterns. The objective of this chapter is to spotlight on cognitive analysis to extract opinions expressed by users. Authors emphasize narrowing down the new potentials in the field of sentiment analysis through cognition and understanding variations in semantic orientation. The chapter explores new methods and procedures that benefit practitioners and researchers with respect to sentiment polarity using cognitive analytics to address the improvements in healthcare industry.