Textual Features Indicative of Writing Proficiency in Elementary School Spanish Documents Gemma Bel-Enguix author Diana Dueñas Chávez author Arturo Curiel Díaz author 2018-07 text Proceedings of the 5th Workshop on Natural Language Processing Techniques for Educational Applications Yuen-Hsien Tseng editor Hsin-Hsi Chen editor Vincent Ng editor Mamoru Komachi editor Association for Computational Linguistics Melbourne, Australia conference publication bel-enguix-etal-2018-textual 10.18653/v1/W18-3716 https://aclanthology.org/W18-3716/ 2018-07 113 118