@inproceedings{luo-etal-2026-learning, title = "Learning When to Think: Utility-Guided Adaptive Reasoning for Efficient Text Retrieval", author = "Luo, Yingtao and Zhao, Kangyi and Du, Shiyi and Li, Yubo", 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.1617/", pages = "34424--34434", ISBN = "979-8-89176-462-0" }