Is a Busy Search Agent a Good One? Overthinking and Overretrieval at Scale.

@inproceedings{hoshide-2026-busy, author = {Takahide Hoshide and Xin Liu and Karl Gyllstrom and Xueqi Cheng and Takahide Hoshide and Xin Liu and Kaiqi Zhao and Ruqing Zhang and Kaiqi Zhao and Ruqing Zhang and Ko Fujimura and Yu-An Liu and Lixin Su and Jiafeng Guo and Karl Gyllstrom and Xueqi Cheng}, editor = {Hannah Bast and Alistair Moffat and Falk Scholer and Marc Najork and Min Zhang and Hannah Bast and Marc Najork and Min Zhang}, title = {{Is a Busy Search Agent a Good One? Overthinking and Overretrieval at Scale}}, booktitle = {{Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026}}, pages = {3970--3975}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3809941}, doi = {https://doi.org/10.1145/3805712.3809941} }