Grammatical Templates: Improving Text Difficulty Evaluation for Language Learners Shuhan Wang author Erik Andersen author 2016-12 text Proceedings of COLING 2016, the 26th International Conference on Computational Linguistics: Technical Papers Yuji Matsumoto editor Rashmi Prasad editor The COLING 2016 Organizing Committee Osaka, Japan conference publication wang-andersen-2016-grammatical https://aclanthology.org/C16-1159/ 2016-12 1692 1702