activity
20202026
most citedLargeST: A Benchmark Dataset for Large-Scale Traffic Forecasting

22 citations · 89 across the 36 of their papers we have counts for

collaborators

37 papers

cs.CL2026

How Creative Are Large Language Models in Generating Molecules?

Wen Tao, Yiwei Wang, Peng Zhou +6

Molecule generation requires satisfying multiple chemical and biological constraints while searching a large and structured chemical space. This makes it a non-binary problem, wher…

cs.LG2025

Visual CoT Makes VLMs Smarter but More Fragile

Chunxue Xu, Yiwei Wang, Yujun Cai +2

Chain-of-Thought (CoT) techniques have significantly enhanced reasoning in Vision-Language Models (VLMs). Extending this paradigm, Visual CoT integrates explicit visual edits, such…

cs.CL2025

How to Make Large Language Models Generate 100% Valid Molecules?

Wen Tao, Jing Tang, Alvin Chan +5

Molecule generation is key to drug discovery and materials science, enabling the design of novel compounds with specific properties. Large language models (LLMs) can learn to perfo…

cs.CL2025

Do "New Snow Tablets" Contain Snow? Large Language Models Over-Rely on Names to Identify Ingredients of Chinese Drugs

Sifan Li, Yujun Cai, Bryan Hooi +2

Traditional Chinese Medicine (TCM) has seen increasing adoption in healthcare, with specialized Large Language Models (LLMs) emerging to support clinical applications. A fundamenta…

cs.CV2025

Text Speaks Louder than Vision: ASCII Art Reveals Textual Biases in Vision-Language Models

Zhaochen Wang, Bryan Hooi, Yiwei Wang +3

Vision-language models (VLMs) have advanced rapidly in processing multimodal information, but their ability to reconcile conflicting signals across modalities remains underexplored…

cs.CV2025

How does Watermarking Affect Visual Language Models in Document Understanding?

Chunxue Xu, Yiwei Wang, Bryan Hooi +2

Visual Language Models (VLMs) have become foundational models for document understanding tasks, widely used in the processing of complex multimodal documents across domains such as…

cs.AI2025

Process or Result? Manipulated Ending Tokens Can Mislead Reasoning LLMs to Ignore the Correct Reasoning Steps

Yu Cui, Bryan Hooi, Yujun Cai +1

Recent reasoning large language models (LLMs) have demonstrated remarkable improvements in mathematical reasoning capabilities through long Chain-of-Thought. The reasoning tokens o…

cs.LG2025

Tricking Retrievers with Influential Tokens: An Efficient Black-Box Corpus Poisoning Attack

Cheng Wang, Yiwei Wang, Yujun Cai +1

Retrieval-augmented generation (RAG) systems enhance large language models by incorporating external knowledge, addressing issues like outdated internal knowledge and hallucination…

cs.CL2025★ 1 cited

Enhancing LLM Character-Level Manipulation via Divide and Conquer

Zhen Xiong, Yujun Cai, Bryan Hooi +3

Large Language Models (LLMs) have demonstrated strong generalization capabilities across a wide range of natural language processing (NLP) tasks. However, they exhibit notable weak…

cs.CL2025

MIRAGE: Multimodal Immersive Reasoning and Guided Exploration for Red-Team Jailbreak Attacks

Wenhao You, Bryan Hooi, Yiwei Wang +5

While safety mechanisms have significantly progressed in filtering harmful text inputs, MLLMs remain vulnerable to multimodal jailbreaks that exploit their cross-modal reasoning ca…

cs.CV2025

Making Every Step Effective: Jailbreaking Large Vision-Language Models Through Hierarchical KV Equalization

Shuyang Hao, Yiwei Wang, Bryan Hooi +4

In the realm of large vision-language models (LVLMs), adversarial jailbreak attacks serve as a red-teaming approach to identify safety vulnerabilities of these models and their ass…

cs.CR2025

Tit-for-Tat: Safeguarding Large Vision-Language Models Against Jailbreak Attacks via Adversarial Defense

Shuyang Hao, Yiwei Wang, Bryan Hooi +5

Deploying large vision-language models (LVLMs) introduces a unique vulnerability: susceptibility to malicious attacks via visual inputs. However, existing defense methods suffer fr…

cs.CL2025

Structured Outputs Enable General-Purpose LLMs to be Medical Experts

Guangfu Guo, Kai Zhang, Bryan Hoo +4

Medical question-answering (QA) is a critical task for evaluating how effectively large language models (LLMs) encode clinical knowledge and assessing their potential applications…

cs.CV2025

Lost in Edits? A -Compass for AIGC Provenance

Wenhao You, Bryan Hooi, Yiwei Wang +5

Recent advancements in diffusion models have driven the growth of text-guided image editing tools, enabling precise and iterative modifications of synthesized content. However, as…

cs.CL2025★ 1 cited

Fact or Guesswork? Evaluating Large Language Models' Medical Knowledge with Structured One-Hop Judgments

Jiaxi Li, Yiwei Wang, Kai Zhang +5

Large language models (LLMs) have been widely adopted in various downstream task domains. However, their abilities to directly recall and apply factual medical knowledge remains un…

cs.CV2024

Exploring Visual Vulnerabilities via Multi-Loss Adversarial Search for Jailbreaking Vision-Language Models

Shuyang Hao, Bryan Hooi, Jun Liu +3

Despite inheriting security measures from underlying language models, Vision-Language Models (VLMs) may still be vulnerable to safety alignment issues. Through empirical analysis,…

cs.CL2024

DRS: Deep Question Reformulation With Structured Output

Zhecheng Li, Yiwei Wang, Bryan Hooi +3

Question answering represents a core capability of large language models (LLMs). However, when individuals encounter unfamiliar knowledge in texts, they often formulate questions t…

cs.CL2024

Think Carefully and Check Again! Meta-Generation Unlocking LLMs for Low-Resource Cross-Lingual Summarization

Zhecheng Li, Yiwei Wang, Bryan Hooi +4

Cross-lingual summarization (CLS) aims to generate a summary for the source text in a different target language. Currently, instruction-tuned large language models (LLMs) excel at…

cs.CL2024

Vulnerability of LLMs to Vertically Aligned Text Manipulations

Zhecheng Li, Yiwei Wang, Bryan Hooi +4

Vertical text input is commonly encountered in various real-world applications, such as mathematical computations and word-based Sudoku puzzles. While current large language models…

cs.CL2024

Con-ReCall: Detecting Pre-training Data in LLMs via Contrastive Decoding

Cheng Wang, Yiwei Wang, Bryan Hooi +3

The training data in large language models is key to their success, but it also presents privacy and security risks, as it may contain sensitive information. Detecting pre-training…

cs.LG2024★ 2 cited

UniTST: Effectively Modeling Inter-Series and Intra-Series Dependencies for Multivariate Time Series Forecasting

Juncheng Liu, Chenghao Liu, Gerald Woo +4

Transformer-based models have emerged as powerful tools for multivariate time series forecasting (MTSF). However, existing Transformer models often fall short of capturing both int…

cs.CL2023

Primacy Effect of ChatGPT

Yiwei Wang, Yujun Cai, Muhao Chen +2

Instruction-tuned large language models (LLMs), such as ChatGPT, have led to promising zero-shot performance in discriminative natural language understanding (NLU) tasks. This invo…

cs.LG2023★ 6 cited

UniTime: A Language-Empowered Unified Model for Cross-Domain Time Series Forecasting

Xu Liu, Junfeng Hu, Yuan Li +4

Multivariate time series forecasting plays a pivotal role in contemporary web technologies. In contrast to conventional methods that involve creating dedicated models for specific…

cs.LG2023★ 22 cited

LargeST: A Benchmark Dataset for Large-Scale Traffic Forecasting

Xu Liu, Yutong Xia, Yuxuan Liang +7

Road traffic forecasting plays a critical role in smart city initiatives and has experienced significant advancements thanks to the power of deep learning in capturing non-linear p…