Neural Text Classification and Stacked Heterogeneous Embeddings for Named Entity Recognition in SMM4H 2021 Usama Yaseen author Stefan Langer author 2021-06 text Proceedings of the Sixth Social Media Mining for Health (#SMM4H) Workshop and Shared Task Arjun Magge editor Ari Klein editor Antonio Miranda-Escalada editor Mohammed Ali Al-garadi editor Ilseyar Alimova editor Zulfat Miftahutdinov editor Eulalia Farre-Maduell editor Salvador Lima Lopez editor Ivan Flores editor Karen O’Connor editor Davy Weissenbacher editor Elena Tutubalina editor Abeed Sarker editor Juan M Banda editor Martin Krallinger editor Graciela Gonzalez-Hernandez editor Association for Computational Linguistics Mexico City, Mexico conference publication yaseen-langer-2021-neural 10.18653/v1/2021.smm4h-1.14 https://aclanthology.org/2021.smm4h-1.14/ 2021-06 83 87