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cs.CL2025

ReFusion: A Diffusion Large Language Model with Parallel Autoregressive Decoding

Jia-Nan Li, Jian Guan, Wei Wu +1

Autoregressive models (ARMs) are hindered by slow sequential inference. While masked diffusion models (MDMs) offer a parallel alternative, they suffer from critical drawbacks: high…

cs.CL2025

AgentPRM: Process Reward Models for LLM Agents via Step-Wise Promise and Progress

Zhiheng Xi, Chenyang Liao, Guanyu Li +12

Despite rapid development, large language models (LLMs) still encounter challenges in multi-turn decision-making tasks (i.e., agent tasks) like web shopping and browser navigation,…

cs.CL2025

Extended Inductive Reasoning for Personalized Preference Inference from Behavioral Signals

Jia-Nan Li, Jian Guan, Wei Wu +1

Large language models (LLMs) have demonstrated significant success in complex reasoning tasks such as math and coding. In contrast to these tasks where deductive reasoning predomin…

cs.CL2025

Scaling Video-Language Models to 10K Frames via Hierarchical Differential Distillation

Chuanqi Cheng, Jian Guan, Wei Wu +1

Long-form video processing fundamentally challenges vision-language models (VLMs) due to the high computational costs of handling extended temporal sequences. Existing token prunin…

cs.CL2025

A Survey on Personalized Alignment -- The Missing Piece for Large Language Models in Real-World Applications

Jian Guan, Junfei Wu, Jia-Nan Li +2

Large Language Models (LLMs) have demonstrated remarkable capabilities, yet their transition to real-world applications reveals a critical limitation: the inability to adapt to ind…

cs.CL2025

From 1,000,000 Users to Every User: Scaling Up Personalized Preference for User-level Alignment

Jia-Nan Li, Jian Guan, Songhao Wu +2

Large language models (LLMs) have traditionally been aligned through one-size-fits-all approaches that assume uniform human preferences, fundamentally overlooking the diversity in…