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20242026
most citedUnderstanding Multimodal LLMs Under Distribution Shifts: An Information-Theoretic Approach

1 citations · 2 across the 8 of their papers we have counts for

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8 papers

cs.LG2026

Debiased Negative Mining Improves Out-of-distribution Detection with Pre-trained Vision-Language Models

Bo Peng, Jie Lu, Guangquan Zhang +1

Aiming at identifying unexpected inputs from unknown classes, out-of-distribution (OOD) detection has emerged as a pivotal approach to enhancing the reliability of machine learning…

cs.IR2026

Benchmarking and Enabling Efficient Chinese Medical Retrieval via Asymmetric Encoders

Angqing Jiang, Jianlyu Chen, Zhe Fang +4

Effective medical text retrieval requires both high accuracy and low latency. While LLM-based embedding models possess powerful retrieval capabilities, their prohibitive latency an…

cs.LG2026

Dataset-Level Metrics Attenuate Non-Determinism: A Fine-Grained Non-Determinism Evaluation in Diffusion Language Models

Zhengyu Fang, Zhimeng Jiang, Huiyuan Chen +5

Diffusion language models (DLMs) have emerged as a promising paradigm for large language models (LLMs), yet the non-deterministic behavior of DLMs remains poorly understood. The ex…

cs.LG2026

Explainable LLM Unlearning Through Reasoning

Junfeng Liao, Qizhou Wang, Shanshan Ye +3

LLM unlearning is essential for mitigating safety, copyright, and privacy concerns in pre-trained large language models (LLMs). Compared to preference alignment, it offers a more e…

cs.AI2025

Shaking to Reveal: Perturbation-Based Detection of LLM Hallucinations

Jinyuan Luo, Zhen Fang, Yixuan Li +2

Hallucination remains a key obstacle to the reliable deployment of large language models (LLMs) in real-world question answering tasks. A widely adopted strategy to detect hallucin…

cs.AI2025★ 1 cited

Understanding Multimodal LLMs Under Distribution Shifts: An Information-Theoretic Approach

Changdae Oh, Zhen Fang, Shawn Im +2

Multimodal large language models (MLLMs) have shown promising capabilities but struggle under distribution shifts, where evaluation data differ from instruction tuning distribution…

cs.LG2024★ 1 cited

How Does Unlabeled Data Provably Help Out-of-Distribution Detection?

Xuefeng Du, Zhen Fang, Ilias Diakonikolas +1

Using unlabeled data to regularize the machine learning models has demonstrated promise for improving safety and reliability in detecting out-of-distribution (OOD) data. Harnessing…

cs.LG2024

ConjNorm: Tractable Density Estimation for Out-of-Distribution Detection

Bo Peng, Yadan Luo, Yonggang Zhang +2

Post-hoc out-of-distribution (OOD) detection has garnered intensive attention in reliable machine learning. Many efforts have been dedicated to deriving score functions based on lo…