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20232026
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cs.CL2026

PReM: Learning What to Preserve and When to Refresh for Context Compression

Bohan Yu, Lei Shen, Chenxi Zhou +5

Efficient long-context inference is not only about reducing memory cost, but also about keeping useful contextual evidence accessible as generation proceeds. However, existing comp…

cs.CL2026

OmniThoughtVis: A Scalable Distillation Pipeline for Deployable Multimodal Reasoning Models

Yuanhao Yue, Chengyu Wang, Yuanjie Lyu +2

Recent multimodal large language models (MLLMs) have shown strong chain-of-thought (CoT) reasoning ability on vision-language tasks, but their direct deployment in real-world syste…

cs.LG2026

Rewards as Labels: Revisiting RLVR from a Classification Perspective

Zepeng Zhai, Meilin Chen, Jiaxuan Zhao +3

Reinforcement Learning with Verifiable Rewards has recently advanced the capabilities of Large Language Models in complex reasoning tasks by providing explicit rule-based supervisi…

cs.CV2026

LEMON: How Well Do MLLMs Perform Temporal Multimodal Understanding on Instructional Videos?

Zhuang Yu, Lei Shen, Jing Zhao +1

Recent multimodal large language models (MLLMs) have shown remarkable progress across vision, audio, and language tasks, yet their performance on long-form, knowledge-intensive, an…

cs.CL2026

Mock Worlds, Real Skills: Building Small Agentic Language Models with Synthetic Tasks, Simulated Environments, and Rubric-Based Rewards

Yuanjie Lyu, Chengyu Wang, Lei Shen +2

Small LLMs often struggle to match the agentic capabilities of large, costly models. While reinforcement learning can help, progress has been limited by two structural bottlenecks:…