Hidden-Variable Models for Discriminative Reranking Terry Koo author Michael Collins author 2005-10 text Proceedings of Human Language Technology Conference and Conference on Empirical Methods in Natural Language Processing Raymond Mooney editor Chris Brew editor Lee-Feng Chien editor Katrin Kirchhoff editor Association for Computational Linguistics Vancouver, British Columbia, Canada conference publication koo-collins-2005-hidden https://aclanthology.org/H05-1064/ 2005-10 507 514