Multi-Event Extraction Guided by Global Constraints Roi Reichart author Regina Barzilay author 2012-06 text Proceedings of the 2012 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Eric Fosler-Lussier editor Ellen Riloff editor Srinivas Bangalore editor Association for Computational Linguistics Montréal, Canada conference publication reichart-barzilay-2012-multi https://aclanthology.org/N12-1008/ 2012-06 70 79