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When applying pre-trained large language models (LLMs) to address anomaly detection tasks, the multivariate time series (MTS) modality of anomaly detection does not align with the text modality of LLMs. Existing methods simply transform the…

Computation and Language · Computer Science 2025-04-15 Wei Tao , Xiaoyang Qu , Kai Lu , Jiguang Wan , Guokuan Li , Jianzong Wang

Preference learning (PL) with large language models (LLMs) aims to align the LLMs' generations with human preferences. Previous work on reinforcement learning from human feedback (RLHF) has demonstrated promising results in in-distribution…

Machine Learning · Computer Science 2024-06-11 Chen Jia

Fine-tuning is becoming widely used for leveraging the power of pre-trained foundation models in new downstream tasks. While there are many successes of fine-tuning on various tasks, recent studies have observed challenges in the…

Machine Learning · Computer Science 2024-06-21 Yuji Roh , Qingyun Liu , Huan Gui , Zhe Yuan , Yujin Tang , Steven Euijong Whang , Liang Liu , Shuchao Bi , Lichan Hong , Ed H. Chi , Zhe Zhao

Deep learning (DL) has driven broad advances across scientific and engineering domains. Despite its success, DL models often exhibit limited interpretability and generalization, which can undermine trust, especially in safety-critical…

Machine Learning · Computer Science 2026-01-14 Atefeh Termehchi , Ekram Hossain , Isaac Woungang

Counterfactually-Augmented Data (CAD) has the potential to improve language models' Out-Of-Distribution (OOD) generalization capability, as CAD induces language models to exploit causal features and exclude spurious correlations. However,…

Computation and Language · Computer Science 2023-02-21 Caoyun Fan , Wenqing Chen , Jidong Tian , Yitian Li , Hao He , Yaohui Jin

As the cost associated with fine-tuning Large Language Models (LLMs) continues to rise, recent research efforts have pivoted towards developing methodologies to edit implicit knowledge embedded within LLMs. Yet, there's still a dark cloud…

Computation and Language · Computer Science 2024-05-14 Zhoubo Li , Ningyu Zhang , Yunzhi Yao , Mengru Wang , Xi Chen , Huajun Chen

This research paper addresses the challenge of modality mismatch in multimodal learning, where the modalities available during inference differ from those available at training. We propose the Text-centric Alignment for Multi-Modality…

Machine Learning · Computer Science 2024-05-22 Yun-Da Tsai , Ting-Yu Yen , Pei-Fu Guo , Zhe-Yan Li , Shou-De Lin

Diffusion models have become the mainstream architecture for text-to-image generation, achieving remarkable progress in visual quality and prompt controllability. However, current inference pipelines generally lack interpretable semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Zheqi Lv , Junhao Chen , Qi Tian , Keting Yin , Shengyu Zhang , Fei Wu

Traditional machine learning methods heavily rely on the independent and identically distribution assumption, which imposes limitations when the test distribution deviates from the training distribution. To address this crucial issue,…

Machine Learning · Computer Science 2024-03-26 Qin Tian , Wenjun Wang , Chen Zhao , Minglai Shao , Wang Zhang , Dong Li

Graphs are a fundamental data structure for representing relational information in domains such as social networks, molecular systems, and knowledge graphs. However, graph learning models often suffer from limited generalization when…

Machine Learning · Computer Science 2026-01-30 Haoyang Li , Haibo Chen , Xin Wang , Wenwu Zhu

Artificial intelligence (AI) plays a crucial role in autonomous driving (AD) research, propelling its development towards intelligence and efficiency. Currently, the development of AD technology follows two main technical paths:…

Artificial Intelligence · Computer Science 2024-12-03 Yuxuan Zhu , Shiyi Wang , Wenqing Zhong , Nianchen Shen , Yunqi Li , Siqi Wang , Zhiheng Li , Cathy Wu , Zhengbing He , Li Li

In the era of foundation models, Out-of- Distribution (OOD) problems, i.e., the data discrepancy between the training environments and testing environments, hinder AI generalization. Further, relational data like graphs disobeying the…

Machine Learning · Computer Science 2025-06-02 Katherine Tieu , Dongqi Fu , Jun Wu , Jingrui He

Out-of-distribution (OOD) detection plays a crucial role in ensuring the safety and reliability of deep neural networks in various applications. While there has been a growing focus on OOD detection in visual data, the field of textual OOD…

Computation and Language · Computer Science 2024-04-10 Li-Ming Zhan , Bo Liu , Xiao-Ming Wu

Test data is said to be out-of-distribution (OOD) when it unexpectedly differs from the training data, a common challenge in real-world use cases of machine learning. Although OOD generalisation has gained interest in recent years, few…

Computation and Language · Computer Science 2024-09-30 Dejan Porjazovski , Anssi Moisio , Mikko Kurimo

Large language models (LLMs) have enabled the development of numerous specialized, task-specific variants. However, the maintenance and deployment of these individual models present substantial challenges in terms of resource utilization…

Machine Learning · Computer Science 2024-11-04 Quy-Anh Dang , Chris Ngo

With recent advances in Multimodal Large Language Models (MLLMs) showing strong visual understanding and reasoning, interest is growing in using them to improve the editing performance of diffusion models. Despite rapid progress, most…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Chong Mou , Qichao Sun , Yanze Wu , Pengze Zhang , Xinghui Li , Fulong Ye , Songtao Zhao , Qian He

The training of large language models (LLMs) necessitates substantial data and computational resources, and updating outdated LLMs entails significant efforts and resources. While numerous model editing techniques (METs) have emerged to…

Computation and Language · Computer Science 2024-02-06 Himanshu Beniwal , Kowsik Nandagopan D , Mayank Singh

Omnimodal Large Language Models (OLLMs) have shown significant progress in integrating vision and text, but still struggle with integrating vision and audio, often exhibiting suboptimal performance when processing audio queries compared to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Rui Hu , Delai Qiu , Shuyu Wei , Jiaming Zhang , Yining Wang , Shengping Liu , Jitao Sang

Multi-modal Large Language Models (MLLMs) integrate visual and linguistic reasoning to address complex tasks such as image captioning and visual question answering. While MLLMs demonstrate remarkable versatility, MLLMs appears limited…

Computation and Language · Computer Science 2025-03-07 Wenke Huang , Jian Liang , Xianda Guo , Yiyang Fang , Guancheng Wan , Xuankun Rong , Chi Wen , Zekun Shi , Qingyun Li , Didi Zhu , Yanbiao Ma , Ke Liang , Bin Yang , He Li , Jiawei Shao , Mang Ye , Bo Du

A common explanation for the failure of out-of-distribution (OOD) generalization is that the model trained with empirical risk minimization (ERM) learns spurious features instead of invariant features. However, several recent studies…

Machine Learning · Computer Science 2023-10-31 Yongqiang Chen , Wei Huang , Kaiwen Zhou , Yatao Bian , Bo Han , James Cheng
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