@inproceedings{niu-zhang-2026-sici, title = "{SICI}: A Semantic-Pragmatic Complexity Index Reveals Regime Shifts in {LLM} Stance Detection", author = "Niu, Fuqiang and Zhang, Bowen", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {EMNLP} 2026", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.findings-emnlp.1836/", doi = "10.18653/2026.findings-emnlp.1836", pages = "39209--39221", ISBN = "979-8-89176-462-0" }