Deep learning-based method for sentiment analysis for patients’ drug reviews 1Institute of Informatics, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary 2Computer Science Department, School of Science and Technology, Nottingham Trent University, Nottingham, United Kingdom 3DAAI Researsh Group, College of Computing and Digital Technology, Birmingham City University, Birmingham, United Kingdom 4Computer Science Department, College of Computer and Information Sciences,...