activity
20212026
most citedFrom Generation to Judgment: Opportunities and Challenges of LLM-as-a-judge

12 citations · 40 across the 20 of their papers we have counts for

collaborators

21 papers

cs.LG2026

BeliefGraph-JEPA: Structured Latent World Models for Action-Conditioned Time Series

Yue Li, Kangqi Ni, Zhen Tan +1

Action-conditioned time-series forecasting requires accounting for how future actions and exogenous forcings influence multiple targets through partially observed effects with diff…

cs.CY2025

Intrinsic Barriers to Explaining Deep Foundation Models

Zhen Tan, Huan Liu

Deep Foundation Models (DFMs) offer unprecedented capabilities but their increasing complexity presents profound challenges to understanding their internal workings-a critical need…

cs.CV2025★ 4 cited

Visual Large Language Models for Generalized and Specialized Applications

Yifan Li, Zhixin Lai, Wentao Bao +7

Visual-language models (VLM) have emerged as a powerful tool for learning a unified embedding space for vision and language. Inspired by large language models, which have demonstra…

cs.LG2025

CAND: Cross-Domain Ambiguity Inference for Early Detecting Nuanced Illness Deterioration

Lo Pang-Yun Ting, Zhen Tan, Hong-Pei Chen +4

Early detection of patient deterioration is essential for timely treatment, with vital signs like heart rates being key health indicators. Existing methods tend to solely analyze v…

cs.CL2024

Assessing the Impact of Conspiracy Theories Using Large Language Models

Bohan Jiang, Dawei Li, Zhen Tan +5

Measuring the relative impact of CTs is important for prioritizing responses and allocating resources effectively, especially during crises. However, assessing the actual impact of…

cs.AI2024★ 12 cited

From Generation to Judgment: Opportunities and Challenges of LLM-as-a-judge

Dawei Li, Bohan Jiang, Liangjie Huang +10

Assessment and evaluation have long been critical challenges in artificial intelligence (AI) and natural language processing (NLP). Traditional methods, usually matching-based or s…

cs.CL2024★ 1 cited

Can LLMs Improve Multimodal Fact-Checking by Asking Relevant Questions?

Alimohammad Beigi, Bohan Jiang, Dawei Li +5

Traditional fact-checking relies on humans to formulate relevant and targeted fact-checking questions (FCQs), search for evidence, and verify the factuality of claims. While Large…

cs.CL2024

Model Attribution in LLM-Generated Disinformation: A Domain Generalization Approach with Supervised Contrastive Learning

Alimohammad Beigi, Zhen Tan, Nivedh Mudiam +3

Model attribution for LLM-generated disinformation poses a significant challenge in understanding its origins and mitigating its spread. This task is especially challenging because…

cs.AI2024★ 3 cited

Exploring Large Language Models for Feature Selection: A Data-centric Perspective

Dawei Li, Zhen Tan, Huan Liu

The rapid advancement of Large Language Models (LLMs) has significantly influenced various domains, leveraging their exceptional few-shot and zero-shot learning capabilities. In th…

cs.CR2024

"Glue pizza and eat rocks" -- Exploiting Vulnerabilities in Retrieval-Augmented Generative Models

Zhen Tan, Chengshuai Zhao, Raha Moraffah +5

Retrieval-Augmented Generative (RAG) models enhance Large Language Models (LLMs) by integrating external knowledge bases, improving their performance in applications like fact-chec…

cs.CL2024★ 1 cited

Catching Chameleons: Detecting Evolving Disinformation Generated using Large Language Models

Bohan Jiang, Chengshuai Zhao, Zhen Tan +1

Despite recent advancements in detecting disinformation generated by large language models (LLMs), current efforts overlook the ever-evolving nature of this disinformation. In this…

cs.CV2024

Facial Affective Behavior Analysis with Instruction Tuning

Yifan Li, Anh Dao, Wentao Bao +4

Facial affective behavior analysis (FABA) is crucial for understanding human mental states from images. However, traditional approaches primarily deploy models to discriminate amon…

cs.SI2024★ 2 cited

Media Bias Matters: Understanding the Impact of Politically Biased News on Vaccine Attitudes in Social Media

Bohan Jiang, Lu Cheng, Zhen Tan +2

News media has been utilized as a political tool to stray from facts, presenting biased claims without evidence. Amid the COVID-19 pandemic, politically biased news (PBN) has signi…

cs.LG2024

GraphRCG: Self-Conditioned Graph Generation

Song Wang, Zhen Tan, Xinyu Zhao +3

Graph generation generally aims to create new graphs that closely align with a specific graph distribution. Existing works often implicitly capture this distribution through the op…

cs.CL2024★ 6 cited

Contextualization Distillation from Large Language Model for Knowledge Graph Completion

Dawei Li, Zhen Tan, Tianlong Chen +1

While textual information significantly enhances the performance of pre-trained language models (PLMs) in knowledge graph completion (KGC), the static and noisy nature of existing…

cs.CR2024★ 1 cited

The Wolf Within: Covert Injection of Malice into MLLM Societies via an MLLM Operative

Zhen Tan, Chengshuai Zhao, Raha Moraffah +4

Due to their unprecedented ability to process and respond to various types of data, Multimodal Large Language Models (MLLMs) are constantly defining the new boundary of Artificial…

cs.CL2023★ 6 cited

Sparsity-Guided Holistic Explanation for LLMs with Interpretable Inference-Time Intervention

Zhen Tan, Tianlong Chen, Zhenyu Zhang +1

Large Language Models (LLMs) have achieved unprecedented breakthroughs in various natural language processing domains. However, the enigmatic ``black-box'' nature of LLMs remains a…

cs.LG2023★ 1 cited

CSGNN: Conquering Noisy Node labels via Dynamic Class-wise Selection

Yifan Li, Zhen Tan, Kai Shu +3

Graph Neural Networks (GNNs) have emerged as a powerful tool for representation learning on graphs, but they often suffer from overfitting and label noise issues, especially when t…

cs.CL2023★ 3 cited

Interpreting Pretrained Language Models via Concept Bottlenecks

Zhen Tan, Lu Cheng, Song Wang +3

Pretrained language models (PLMs) have made significant strides in various natural language processing tasks. However, the lack of interpretability due to their ``black-box'' natur…

cs.CL2023

Noise-Robust Fine-Tuning of Pretrained Language Models via External Guidance

Song Wang, Zhen Tan, Ruocheng Guo +1

Adopting a two-stage paradigm of pretraining followed by fine-tuning, Pretrained Language Models (PLMs) have achieved substantial advancements in the field of natural language proc…

cs.LG2021

Graph Few-shot Class-incremental Learning

Zhen Tan, Kaize Ding, Ruocheng Guo +1

The ability to incrementally learn new classes is vital to all real-world artificial intelligence systems. A large portion of high-impact applications like social media, recommenda…