Exploring Content Features for Automated Speech Scoring Shasha Xie author Keelan Evanini author Klaus Zechner 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 xie-etal-2012-exploring https://aclanthology.org/N12-1011/ 2012-06 103 111