activity
20192025
most citedGaussian Process Assisted Active Learning of Physical Laws

25 citations · 91 across the 19 of their papers we have counts for

collaborators

20 papers

cs.CV2025

ColorBench: Can VLMs See and Understand the Colorful World? A Comprehensive Benchmark for Color Perception, Reasoning, and Robustness

Yijun Liang, Ming Li, Chenrui Fan +7

Color plays an important role in human perception and usually provides critical clues in visual reasoning. However, it is unclear whether and how vision-language models (VLMs) can…

cs.CV2024

Florence-VL: Enhancing Vision-Language Models with Generative Vision Encoder and Depth-Breadth Fusion

Jiuhai Chen, Jianwei Yang, Haiping Wu +4

We present Florence-VL, a new family of multimodal large language models (MLLMs) with enriched visual representations produced by Florence-2, a generative vision foundation model.…

cs.CL2024

Multi-Objective Linguistic Control of Large Language Models

Dang Nguyen, Jiuhai Chen, Tianyi Zhou

Large language models (LLMs), despite their breakthroughs on many challenging benchmark tasks, lean to generate verbose responses and lack the controllability of output complexity,…

cs.CL2024

GenQA: Generating Millions of Instructions from a Handful of Prompts

Jiuhai Chen, Rifaa Qadri, Yuxin Wen +4

Most public instruction finetuning datasets are relatively small compared to the closed source datasets used to train industry models. To study questions about finetuning at scale,…

cs.LG2024

OPTune: Efficient Online Preference Tuning

Lichang Chen, Jiuhai Chen, Chenxi Liu +6

Reinforcement learning with human feedback~(RLHF) is critical for aligning Large Language Models (LLMs) with human preference. Compared to the widely studied offline version of RLH…

cs.CV2024★ 3 cited

Enhancing Visual-Language Modality Alignment in Large Vision Language Models via Self-Improvement

Xiyao Wang, Jiuhai Chen, Zhaoyang Wang +8

Large vision-language models (LVLMs) have achieved impressive results in visual question-answering and reasoning tasks through vision instruction tuning on specific datasets. Howev…

cs.LG2024★ 1 cited

ODIN: Disentangled Reward Mitigates Hacking in RLHF

Lichang Chen, Chen Zhu, Davit Soselia +6

In this work, we study the issue of reward hacking on the response length, a challenge emerging in Reinforcement Learning from Human Feedback (RLHF) on LLMs. A well-formatted, verb…

cs.CL2024

Can LLMs Speak For Diverse People? Tuning LLMs via Debate to Generate Controllable Controversial Statements

Ming Li, Jiuhai Chen, Lichang Chen +1

Making LLMs speak for different, especially minority groups of people, and generate statements supporting their diverse or even controversial perspectives is critical to creating a…

cs.CL2024

Selective Reflection-Tuning: Student-Selected Data Recycling for LLM Instruction-Tuning

Ming Li, Lichang Chen, Jiuhai Chen +3

Instruction tuning is critical to large language models (LLMs) for achieving better instruction following and task adaptation capabilities but its success heavily relies on the tra…

cs.CL2023★ 1 cited

Reflection-Tuning: Data Recycling Improves LLM Instruction-Tuning

Ming Li, Lichang Chen, Jiuhai Chen +4

Recent advancements in Large Language Models (LLMs) have expanded the horizons of natural language understanding and generation. Notably, the output control and alignment with the…

cs.CL2023★ 8 cited

From Quantity to Quality: Boosting LLM Performance with Self-Guided Data Selection for Instruction Tuning

Ming Li, Yong Zhang, Zhitao Li +6

In the realm of Large Language Models (LLMs), the balance between instruction data quality and quantity is a focal point. Recognizing this, we introduce a self-guided methodology f…

cs.AI2023★ 11 cited

InstructZero: Efficient Instruction Optimization for Black-Box Large Language Models

Lichang Chen, Jiuhai Chen, Tom Goldstein +2

Large language models~(LLMs) are instruction followers, but it can be challenging to find the best instruction for different situations, especially for black-box LLMs on which back…

cs.AI2023★ 1 cited

How Many Demonstrations Do You Need for In-context Learning?

Jiuhai Chen, Lichang Chen, Chen Zhu +1

Large language models (LLMs) are capable to perform complex reasoning by in-context learning (ICL) when provided with a few input-output demonstrations (demos) and more powerful wh…

cs.AI2023★ 18 cited

When do you need Chain-of-Thought Prompting for ChatGPT?

Jiuhai Chen, Lichang Chen, Heng Huang +1

Chain-of-Thought (CoT) prompting can effectively elicit complex multi-step reasoning from Large Language Models~(LLMs). For example, by simply adding CoT instruction ``Let's think…

cs.LG2022★ 2 cited

A Robust Stacking Framework for Training Deep Graph Models with Multifaceted Node Features

Jiuhai Chen, Jonas Mueller, Vassilis N. Ioannidis +2

Graph Neural Networks (GNNs) with numerical node features and graph structure as inputs have demonstrated superior performance on various supervised learning tasks with graph data.…

cs.CV2021

Understanding the Role of Self-Supervised Learning in Out-of-Distribution Detection Task

Jiuhai Chen, Chen Zhu, Bin Dai

Self-supervised learning (SSL) has achieved great success in a variety of computer vision tasks. However, the mechanism of how SSL works in these tasks remains a mystery. In this p…

cs.LG2021★ 5 cited

Why Propagate Alone? Parallel Use of Labels and Features on Graphs

Yangkun Wang, Jiarui Jin, Weinan Zhang +7

Graph neural networks (GNNs) and label propagation represent two interrelated modeling strategies designed to exploit graph structure in tasks such as node property prediction. The…

cs.LG2021

Does your graph need a confidence boost? Convergent boosted smoothing on graphs with tabular node features

Jiuhai Chen, Jonas Mueller, Vassilis N. Ioannidis +4

For supervised learning with tabular data, decision tree ensembles produced via boosting techniques generally dominate real-world applications involving iid training/test sets. How…

stat.ML2020★ 16 cited

Particle-based Energetic Variational Inference

Yiwei Wang, Jiuhai Chen, Chun Liu +1

We introduce a new variational inference (VI) framework, called energetic variational inference (EVI). It minimizes the VI objective function based on a prescribed energy-dissipati…

stat.ME2019★ 25 cited

Gaussian Process Assisted Active Learning of Physical Laws

Jiuhai Chen, Lulu Kang, Guang Lin

In many areas of science and engineering, discovering the governing differential equations from the noisy experimental data is an essential challenge. It is also a critical step in…