Introduction to the CoNLL-2004 Shared Task: Semantic Role Labeling Xavier Carreras author Lluís Màrquez author 2004-may 6 - may 7 text Proceedings of the Eighth Conference on Computational Natural Language Learning (CoNLL-2004) at HLT-NAACL 2004 Association for Computational Linguistics Boston, Massachusetts, USA conference publication carreras-marquez-2004-introduction https://aclanthology.org/W04-2412/ 2004-may 6 - may 7 89 97