Correction: OpinionML - Opinion Markup Language for Sentiment Representation. Symmetry 2019, 11, 545

1 Department of Computer Science & IT, The Islamia University, Bahawalpur 63100, Pakistan 2 L3i Lab, Université of La Rochelle Av. Michel Cŕepeau, 17000 La Rochelle, France 3 Department of Information and Communication Engineering, Yeungnam University, Gyeongsan 712-749, Korea 4 Faculty of Computing and Information Technology, King Abdulaziz University, Jeddah 21577, Saudi Arabia 5 Department of Pediatrics Cincinnati, Children’s Hospital Medical Center, Cincinnati, OH 45229, USA 6 Department of Mathematics, Khawaja Fareed University of Engineering and Technology, Rahim Yar Khan 64200, Pakistan * Correspondence: castchoi@ynu.ac.kr