Author

Dongjie Yang

Shanghai Jiao Tong University

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#artificial intelligence Preprint Sep 2026

On the Efficiency-Safety Dilemma in Large Reasoning Models

Large reasoning models (LRMs) incur high inference costs, often mitigated by efficiency techniques like quantization and pruning. However, the impact of these techniques on model adversarial robustness remains largely unexplored. This study provides the first comprehensive analysis of the interplay between efficiency,...

Yifei Yang, Zou-Ying Cao, Xing-Rui Wang et al. · 0 citations

Preprint Aug 2026

TACT: Taxonomy-Aligned Post-Training for Pedagogically Adaptive English Tutoring

This work presents TACT (Taxonomy-Aligned Conversational Tutor), a human-grounded framework for post-training and evaluating pedagogically adaptive ESL tutors and develops two complementary taxonomies: the Tutor-Strategy Taxonomy with 13 tutor response strategies and the Student-Move Taxonomy characterizing learner beh...

Dongjie Yang, Siya Lin, Leixian Shen et al. · 0 citations