SpeechTrans@SMM4H’20: Impact of Preprocessing and N-grams on Automatic Classification of Tweets That Mention Medications Mohamed Lichouri author Mourad Abbas author 2020-12 text Proceedings of the Fifth Social Media Mining for Health Applications Workshop & Shared Task Graciela Gonzalez-Hernandez editor Ari Z Klein editor Ivan Flores editor Davy Weissenbacher editor Arjun Magge editor Karen O’Connor editor Abeed Sarker editor Anne-Lyse Minard editor Elena Tutubalina editor Zulfat Miftahutdinov editor Ilseyar Alimova editor Association for Computational Linguistics Barcelona, Spain (Online) conference publication lichouri-abbas-2020-speechtrans https://aclanthology.org/2020.smm4h-1.19/ 2020-12 118 120