Optimizing Question Answering Accuracy by Maximizing Log-Likelihood Matthias H Heie author Edward W D Whittaker author Sadaoki Furui author 2010-07 text Proceedings of the ACL 2010 Conference Short Papers Jan Hajič editor Sandra Carberry editor Stephen Clark editor Joakim Nivre editor Association for Computational Linguistics Uppsala, Sweden conference publication heie-etal-2010-optimizing https://aclanthology.org/P10-2044/ 2010-07 236 240