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Author

Lixin Su

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Book Open access Jul 2026

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

This work conducts a systematic study of overthinking and overretrieval in search agents from a scaling perspective and proposes a lightweight post-hoc reflection framework that converts the proposed evaluation signals into explicit feedback rewards to guide agents' reasoning trajectories.

Xin Liu, Ruqing Zhang, Yu-An Liu et al. · 0 citations