@inproceedings{arslan-etal-2026-malto, title = "{MALTO} at {S}em{E}val-2026 Task 13: Detecting Human, {AI}, and Hybrid Code via Hard Negative Mining and Curriculum-Driven Ensembles", author = {Arslan, H{\"u}seyin and Munis, Evren Ayberk and Khudonogov, Timofei and Akgun, Mert and Besli, Murat and Meherrem, Ayhan and Savelli, Claudio and Giobergia, Flavio}, editor = "Kochmar, Ekaterina and Ghosh, Debanjan and North, Kai and Komachi, Mamoru", booktitle = "Proceedings of the 20th {I}nternational {W}orkshop on {S}emantic {E}valuation (2026)", month = jul, year = "2026", address = "San Diego, California, USA", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-acl-workshops/2026.semeval-1.304/", pages = "2413--2420", ISBN = "979-8-89176-414-9" }