Text Modification for Bulgarian Sign Language Users Slavina Lozanova author Ivelina Stoyanova author Svetlozara Leseva author Svetla Koeva author Boian Savtchev author 2013-08 text Proceedings of the Second Workshop on Predicting and Improving Text Readability for Target Reader Populations Sandra Williams editor Advaith Siddharthan editor Ani Nenkova editor Association for Computational Linguistics Sofia, Bulgaria conference publication lozanova-etal-2013-text https://aclanthology.org/W13-2905/ 2013-08 39 48