@inproceedings{zhou-etal-2026-st, title = "{ST}-Lite: Training-Free {KV} Cache Compression with Spatio-Trajectory Guidance for Long-Horizon {GUI} Agents", author = "Zhou, Bowen and Xu, Zhou and Li, Wanli and Xiao, Jingyu and Gan, Pingan and Wang, Haoqian", 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.455/", pages = "9550--9586", ISBN = "979-8-89176-462-0" }