Automatically Assessing Free Texts Yllias Chali author Sadid A Hasan author 2012-12 text Proceedings of the Workshop on Speech and Language Processing Tools in Education Radhika Mamidi editor Kishore Prahallad editor The COLING 2012 Organizing Committee Mumbai, India conference publication chali-hasan-2012-automatically https://aclanthology.org/W12-5802/ 2012-12 9 16