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20232026
most citedEmpowering Collaborative Filtering with Principled Adversarial Contrastive Loss

6 citations · 19 across the 15 of their papers we have counts for

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5 papers · 1 filter

cs.AI2026

Reasoning Can Be Restored by Correcting a Few Decision Tokens

Changshuo Shen, Leheng Sheng, Yuxin Chen +2

Large reasoning models (LRMs) substantially outperform their base LLM counterparts on challenging reasoning benchmarks, yet it remains poorly understood where base models go wrong…

cs.AI2026

Internalizing Safety Understanding in Large Reasoning Models via Verification

Yi Zhang, Yuxin Chen, Leheng Sheng +4

While explicit Chain-of-Thought (CoT) empowers large reasoning models (LRMs), it enables the generation of riskier final answers. Current alignment paradigms primarily rely on exte…

cs.AI2026

Reinforcing Chain-of-Thought Reasoning with Self-Evolving Rubrics

Leheng Sheng, Wenchang Ma, Ruixin Hong +3

Despite chain-of-thought (CoT) playing crucial roles in LLM reasoning, directly rewarding it is difficult: training a reward model demands heavy human labeling efforts, and static…

cs.CL2026

When to Memorize and When to Stop: Gated Recurrent Memory for Long-Context Reasoning

Leheng Sheng, Yongtao Zhang, Wenchang Ma +6

While reasoning over long context is crucial for various real-world applications, it remains challenging for large language models (LLMs) as they suffer from performance degradatio…

cs.IR2026

Fine-grained Semantics Integration for Large Language Model-based Recommendation

Jiawei Feng, Xiaoyu Kong, Leheng Sheng +8

Recent advances in Large Language Models (LLMs) have driven a shift in recommender systems from the discriminative paradigm to the LLM-based generative paradigm, where the recommen…