@inproceedings{uluslu-etal-2026-acoustic, title = "Acoustic and Lexical Signals for Native Language Identification of Language Learners", author = "Uluslu, Ahmet Yavuz and Qian, Mengjie and Knill, Kate and Gales, Mark", editor = "Masciolini, Arianna and Alfter, David and Lange, Herbert and Mu{\~n}oz S{\'a}nchez, Ricardo and Pil{\'a}n, Ildik{\'o} and Volodina, Elena", booktitle = "Proceedings of the 15th Workshop on Natural Language Processing for Computer Assisted Language Learning", month = nov, year = "2026", address = "Gothenburg, Sweden", publisher = "University of Tartu Library", url = "https://aclanthology.org/2026.nlp4call-1.23/", pages = "306--313", ISBN = "978-9985-4-1522-1" }