@inproceedings{rahimi-2026-much, title = "How Much of Native Language Identification Is Corpus Artifact? A Cross-Corpus Audit of {SVM}s and {LLM}s on {TOEFL}11 and {ICLE}v3", author = "Rahimi, Shima", 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-1.1/", pages = "1--15", ISBN = "978-9985-4-1522-1" }