Maytag: A Multi-Staged Approach to Identifying Complex Events in Textual Data Conrad Chang author Lisa Ferro author John Gibson author Janet Hitzeman author Suzi Lubar author Justin Palmer author Sean Munson author Marc Vilain author Benjamin Wellner author 2006 text Demonstrations conference publication chang-etal-2006-maytag https://aclanthology.org/E06-2012/ 2006 131 134