Combining a Statistical Language Model with Logistic Regression to Predict the Lexical and Syntactic Difficulty of Texts for FFL Thomas François author 2009-04 text Proceedings of the Student Research Workshop at EACL 2009 Vera Demberg editor Yanjun Ma editor Nils Reiter editor Association for Computational Linguistics Athens, Greece conference publication francois-2009-combining https://aclanthology.org/E09-3003/ 2009-04 19 27