Classification of mental illnesses on social media using RoBERTa Ankit Murarka author Balaji Radhakrishnan author Sushma Ravichandran author 2021-04 text Proceedings of the 12th International Workshop on Health Text Mining and Information Analysis Eben Holderness editor Antonio Jimeno Yepes editor Alberto Lavelli editor Anne-Lyse Minard editor James Pustejovsky editor Fabio Rinaldi editor Association for Computational Linguistics online conference publication murarka-etal-2021-classification https://aclanthology.org/2021.louhi-1.7/ 2021-04 59 68