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Taewhoo Lee

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#artificial intelligence Preprint Oct 2026

Self-Assessment Reinforcement Learning for Search-State Awareness in Retrieval-Augmented Large Language Models

Self-Assessment Reinforcement Learning (SARL), a reinforcement learning framework in which models learn to recognize their own search state during training and improve their search behavior accordingly, without requiring additional assessment at test time, outperforms methods built on auxiliary supervision or multi-age...

Taewhoo Lee, Min-Ju Song, Jungwoo Park et al. · 0 citations
#artificial intelligence Preprint Oct 2026

UltraBERT: Beyond the Limit of BERT Pre-Training

Recent bidirectional encoders have been modernized with innovations from causal large language models (LLMs). However, the pretraining recipe itself remains inherited from small-scale conventions, leaving encoders underoptimized, with no single model performing competitively across both classification and retrieval tas...

Jungwoo Park, Taewhoo Lee, Jaewoo Kang · 0 citations

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