Brendan Flanagan, Sachio Hirokawa, Emiko Kaneko, Emi Izumi, Hiroaki Ogata. A Multi-model SVR Approach to Estimating the CEFR Proficiency Level of Grammar Item Features. In 6th IIAI International Congress on Advanced Applied Informatics, IIAI-AAI 2017, Hamamatsu, Japan, July 9-13, 2017. pages 521-526, IEEE, 2017. [doi]
Abstract is missing.