collaborators

7 papers

cs.CV2026

Joint Alignment and Distillation for Video Generation via Sample-Guided Distribution Matching

Jiuzhou Lin, Junlong Wu, Fei Zuo +11

Aligning video generative models to human preferences heavily relies on Reinforcement Learning (RL), which suffers from extensive computational overhead. Existing workflows typical…

cs.CV2026

Step Back to Move Forward: Reflection-Aware Preference Optimization for Visual Generation

Junlong Wu, Jiuzhou Lin, Jia Sun +7

Diffusion models have become the mainstream paradigm for modern visual generation and have substantially advanced multimedia content synthesis, especially in text-to-image and text…

cs.CL2026

MASTE: A Multi-Agent Pipeline for Zero-Shot Aspect Sentiment Triplet Extraction

Ao Hong, Lehang Wang, Zhirun Yue +3

Aspect Sentiment Triplet Extraction (ASTE) requires jointly identifying (aspect, opinion, sentiment) triples from a given review sentence. While large language models (LLMs) achiev…

cs.AI2026

ReflectRM: Boosting Generative Reward Models via Self-Reflection within a Unified Judgment Framework

Kai Qin, Liangxin Liu, Yu Liang +7

Reward Models (RMs) are critical components in the Reinforcement Learning from Human Feedback (RLHF) pipeline, directly determining the alignment quality of Large Language Models (…

cs.CL2026

Let the Agent Search: Autonomous Exploration Beats Rigid Workflows in Temporal Question Answering

Xufei Lv, Jiahui Yang, Haoyuan Sun +5

Temporal Knowledge Graph Question Answering (TKGQA) is challenging because it requires multi-hop reasoning under complex temporal constraints. Recent LLM-based approaches have impr…

cs.LG2025

Distribution Preference Optimization: A Fine-grained Perspective for LLM Unlearning

Kai Qin, Jiaqi Wu, Jianxiang He +8

As Large Language Models (LLMs) demonstrate remarkable capabilities learned from vast corpora, concerns regarding data privacy and safety are receiving increasing attention. LLM un…

cs.LG2025

The Hidden Link Between RLHF and Contrastive Learning

Xufei Lv, Kehai Chen, Haoyuan Sun +3

Alignment of large language models (LLMs) with human values has recently garnered significant attention, with prominent examples including the canonical yet costly Reinforcement Le…