Classifying Ellipsis in Dialogue: A Machine Learning Approach Raquel Fernández author Jonathan Ginzburg author Shalom Lappin author 2004-aug 23–aug 27 text COLING 2004: Proceedings of the 20th International Conference on Computational Linguistics COLING Geneva, Switzerland conference publication fernandez-etal-2004-classifying https://aclanthology.org/C04-1035/ 2004-aug 23–aug 27 240 246