Proceedings of the Fourth BlackboxNLP Workshop on Analyzing and Interpreting Neural Networks for NLP Jasmijn Bastings editor Yonatan Belinkov editor Emmanuel Dupoux editor Mario Giulianelli editor Dieuwke Hupkes editor Yuval Pinter editor Hassan Sajjad editor 2021-11 Association for Computational Linguistics Punta Cana, Dominican Republic text conference publication blackboxnlp-2021-blackboxnlp https://aclanthology.org/2021.blackboxnlp-1.0/