Structured policies improve efficiency, robustness, and interpretability in imitation learning by introducing task-specific inductive bias, but existing structure generation methods rely either on extensive human input or on static domain knowledge encoded in LLMs, which may be inconsistent with the expert demonstratio...
Feiyu Zhu, Qi Xu, Zhi-Fei Deng et al.
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DCE+SRCL outperforms OPSD across multiple model scales and four competition-level mathematics benchmarks, and its comprehensive evaluations show that DCE+SRCL outperforms OPSD across multiple model scales and four competition-level mathematics benchmarks.
Shang-Jian Yin, Ze-Hao Zhao, Kavosh Asadi et al.
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This framework connects generative ranking to combinatorial optimization, opening a path toward other $O(1)$-decode mechanisms for real-time ranking.
Emil Laftchiev, Prachi Agrawal, Moe Kayali et al.
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Jul 2026
Experiments on three Amazon recommendation benchmarks show that soft-token fusion improves retrieval performance over LLM-based baselines, and that interaction-based fusion is more effective than direct concatenation of heterogeneous soft tokens.
Zhe Xu, Ankit Peshin, Chiyu Zhang et al.
· arXiv.org · 0 citations
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Preprint
Jul 2026
Student-Aware CoT Optimization for Recommendation Distillation (SCOReD), a CoT optimization framework tailored to recommendation that first parses each teacher trace into typed segments and uses the student LLM's attention to score the importance of each segment.
H. S. Shahgir, Yufei Li, Xiaohan Wei et al.
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Jul 2026
Large Language Models (LLMs) have emerged as powerful assets for recommender systems. However, deploying them as generative recommenders or zero-shot rankers at web-scale remains bottlenecked by prohibitive computational overhead and grounding challenges. In this paper, we revitalize the classic, highly efficient two-t...
Zhe Xu, Prachi Agrawal, Kavosh Asadi et al.
· arXiv.org · 0 citations
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Preprint
Jul 2026
A simple method, Self-Guided TTT (S-TTT), which improves accuracy for both Qwen3-4B-Thinking-2507 and Llama-3.1-8B-Instruct, achieving up to a 15% relative improvement.
Xinyu Zhu, Zhenqin Xu, Xiaohan Wei et al.
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