Proceedings of the Sixth Workshop on Structured Prediction for NLP Andreas Vlachos editor Priyanka Agrawal editor André Martins editor Gerasimos Lampouras editor Chunchuan Lyu editor 2022-05 Association for Computational Linguistics Dublin, Ireland text conference publication spnlp-2022-structured https://aclanthology.org/2022.spnlp-1.0/