@inproceedings{carreras2004conll, author = "Xavier Carreras and Llu{\'\i}s M{\`a}rques", title = "Introduction to the CoNLL-2004 Shared Task: Semantic Role Labeling", booktitle = "Proceedings of CoNLL-2004", editors = "Hwee Tou Ng and Ellen Riloff", publisher = "Boston, MA, USA", year = "2004", pages = "89--97" }