activity
20222026
most citedA Coarse-to-fine Cascaded Evidence-Distillation Neural Network for Explainable Fake News Detection

10 citations · 27 across the 14 of their papers we have counts for

collaborators

15 papers

cs.LG2026

Simply Stabilizing the Loop via Fully Looped Transformer

Rao Fu, Zixuan Yang, Jiankun Zhang +4

Scaling model performance typically requires increasing model size. Looped Transformer offers a compelling alternative by iteratively reusing the same Transformer blocks, trading a…

cs.AI2026

CASCADE: Case-Based Continual Adaptation for Large Language Models During Deployment

Siyuan Guo, Yali Du, Hechang Chen +2

Large language models (LLMs) have become a central foundation of modern artificial intelligence, yet their lifecycle remains constrained by a rigid separation between training and…

cs.LG2025

Decision Flow Policy Optimization

Jifeng Hu, Sili Huang, Siyuan Guo +6

In recent years, generative models have shown remarkable capabilities across diverse fields, including images, videos, language, and decision-making. By applying powerful generativ…

cs.LG2025

Analytic Energy-Guided Policy Optimization for Offline Reinforcement Learning

Jifeng Hu, Sili Huang, Zhejian Yang +6

Conditional decision generation with diffusion models has shown powerful competitiveness in reinforcement learning (RL). Recent studies reveal the relation between energy-function-…

cs.SE2025★ 2 cited

Optimizing Case-Based Reasoning System for Functional Test Script Generation with Large Language Models

Siyuan Guo, Huiwu Liu, Xiaolong Chen +6

In this work, we explore the potential of large language models (LLMs) for generating functional test scripts, which necessitates understanding the dynamically evolving code struct…

cs.LG2024

Solving Continual Offline RL through Selective Weights Activation on Aligned Spaces

Jifeng Hu, Sili Huang, Li Shen +7

Continual offline reinforcement learning (CORL) has shown impressive ability in diffusion-based lifelong learning systems by modeling the joint distributions of trajectories. Howev…

cs.LG2024

Continual Diffuser (CoD): Mastering Continual Offline Reinforcement Learning with Experience Rehearsal

Jifeng Hu, Li Shen, Sili Huang +5

Artificial neural networks, especially recent diffusion-based models, have shown remarkable superiority in gaming, control, and QA systems, where the training tasks' datasets are u…

cs.LG2024★ 7 cited

DS-Agent: Automated Data Science by Empowering Large Language Models with Case-Based Reasoning

Siyuan Guo, Cheng Deng, Ying Wen +3

In this work, we investigate the potential of large language models (LLMs) based agents to automate data science tasks, with the goal of comprehending task requirements, then build…

cs.AI2023★ 3 cited

Learning Generalizable Agents via Saliency-Guided Features Decorrelation

Sili Huang, Yanchao Sun, Jifeng Hu +5

In visual-based Reinforcement Learning (RL), agents often struggle to generalize well to environmental variations in the state space that were not observed during training. The var…

cs.LG2023

Careful at Estimation and Bold at Exploration

Xing Chen, Yijun Liu, Zhaogeng Liu +3

Exploration strategies in continuous action space are often heuristic due to the infinite actions, and these kinds of methods cannot derive a general conclusion. In prior work, it…

cs.LG2023★ 1 cited

Instructed Diffuser with Temporal Condition Guidance for Offline Reinforcement Learning

Jifeng Hu, Yanchao Sun, Sili Huang +6

Recent works have shown the potential of diffusion models in computer vision and natural language processing. Apart from the classical supervised learning fields, diffusion models…

cs.LG2023★ 2 cited

A Simple Unified Uncertainty-Guided Framework for Offline-to-Online Reinforcement Learning

Siyuan Guo, Yanchao Sun, Jifeng Hu +5

Offline reinforcement learning (RL) provides a promising solution to learning an agent fully relying on a data-driven paradigm. However, constrained by the limited quality of the o…

cs.LG2022★ 2 cited

Distributional Reward Estimation for Effective Multi-Agent Deep Reinforcement Learning

Jifeng Hu, Yanchao Sun, Hechang Chen +4

Multi-agent reinforcement learning has drawn increasing attention in practice, e.g., robotics and automatic driving, as it can explore optimal policies using samples generated by i…

cs.CL2022★ 10 cited

A Coarse-to-fine Cascaded Evidence-Distillation Neural Network for Explainable Fake News Detection

Zhiwei Yang, Jing Ma, Hechang Chen +3

Existing fake news detection methods aim to classify a piece of news as true or false and provide veracity explanations, achieving remarkable performances. However, they often tail…

cs.LG2022

The Sufficiency of Off-Policyness and Soft Clipping: PPO is still Insufficient according to an Off-Policy Measure

Xing Chen, Dongcui Diao, Hechang Chen +7

The popular Proximal Policy Optimization (PPO) algorithm approximates the solution in a clipped policy space. Does there exist better policies outside of this space? By using a nov…