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In-context learning (ICL) enables large language models (LLMs) to acquire new behaviors from the input sequence alone without any parameter updates. Recent studies have shown that ICL can surpass the original meaning learned in pretraining…

机器学习 · 计算机科学 2025-07-31 Yongyi Yang , Hidenori Tanaka , Wei Hu

Many Click-Through Rate (CTR) prediction works focused on designing advanced architectures to model complex feature interactions but neglected the importance of feature representation learning, e.g., adopting a plain embedding layer for…

信息检索 · 计算机科学 2022-12-02 Fangye Wang , Yingxu Wang , Dongsheng Li , Hansu Gu , Tun Lu , Peng Zhang , Ning Gu

In-Context Learning (ICL) enables transformer-based language models to adapt to new tasks by conditioning on demonstration examples. However, traditional example-driven in-context learning lacks explicit modules for knowledge retrieval and…

计算与语言 · 计算机科学 2026-03-31 Pan Chen , Shaohong Chen , Mark Wang , Shi Xuan Leong , Priscilla Fung , Varinia Bernales , Alan Aspuru-Guzik

Accurate uncertainty quantification is crucial for the safe deployment of machine learning models, and prior research has demonstrated improvements in the calibration of modern language models (LMs). We study in-context learning (ICL), a…

计算与语言 · 计算机科学 2024-03-29 Hanlin Zhang , Yi-Fan Zhang , Yaodong Yu , Dhruv Madeka , Dean Foster , Eric Xing , Himabindu Lakkaraju , Sham Kakade

Contrastive pretraining is well-known to improve downstream task performance and model generalisation, especially in limited label settings. However, it is sensitive to the choice of augmentation pipeline. Positive pairs should preserve…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Melanie Roschewitz , Fabio De Sousa Ribeiro , Tian Xia , Galvin Khara , Ben Glocker

In-context learning (ICL) enables large language models (LLMs) to adapt to new tasks without weight updates by learning from demonstration sequences. While ICL shows strong empirical performance, its internal representational mechanisms are…

计算与语言 · 计算机科学 2025-10-07 Jiachen Jiang , Yuxin Dong , Jinxin Zhou , Zhihui Zhu

In-context learning (ICL) improves language models' performance on a variety of NLP tasks by simply demonstrating a handful of examples at inference time. It is not well understood why ICL ability emerges, as the model has never been…

计算与语言 · 计算机科学 2023-06-28 Xiaochuang Han , Daniel Simig , Todor Mihaylov , Yulia Tsvetkov , Asli Celikyilmaz , Tianlu Wang

Large language models (LLMs) have demonstrated impressive performance on a number of natural language processing tasks, such as question answering and text summarization. However, their performance on sequence labeling tasks such as intent…

计算与语言 · 计算机科学 2024-02-27 Yao Qiang , Subhrangshu Nandi , Ninareh Mehrabi , Greg Ver Steeg , Anoop Kumar , Anna Rumshisky , Aram Galstyan

Implicit degradation modeling-based blind super-resolution (SR) has attracted more increasing attention in the community due to its excellent generalization to complex degradation scenarios and wide application range. How to extract more…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Jiang Yuan , Ji Ma , Bo Wang , Weiming Hu

Vision-and-Language Navigation (VLN) has gained significant research interest in recent years due to its potential applications in real-world scenarios. However, existing VLN methods struggle with the issue of spurious associations,…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Liuyi Wang , Zongtao He , Ronghao Dang , Huiyi Chen , Chengju Liu , Qijun Chen

Recently, image-text matching has attracted more and more attention from academia and industry, which is fundamental to understanding the latent correspondence across visual and textual modalities. However, most existing methods implicitly…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Yang Qin , Yuan Sun , Dezhong Peng , Joey Tianyi Zhou , Xi Peng , Peng Hu

Contrastive Learning (CL) has attracted enormous attention due to its remarkable capability in unsupervised representation learning. However, recent works have revealed the vulnerability of CL to backdoor attacks: the feature extractor…

密码学与安全 · 计算机科学 2024-04-12 Weiyu Sun , Xinyu Zhang , Hao Lu , Yingcong Chen , Ting Wang , Jinghui Chen , Lu Lin

In-context learning (ICL) is one of the most powerful and most unexpected capabilities to emerge in recent transformer-based large language models (LLMs). Yet the mechanisms that underlie it are poorly understood. In this paper, we…

Contrastive learning (CL) has shown impressive advances in image representation learning in whichever supervised multi-class classification or unsupervised learning. However, these CL methods fail to be directly adapted to multi-label image…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Zhongchen Ma , Lisha Li , Qirong Mao , Songcan Chen

We uncover an ever-overlooked deficiency in the prevailing Few-Shot Learning (FSL) methods: the pre-trained knowledge is indeed a confounder that limits the performance. This finding is rooted from our causal assumption: a Structural Causal…

机器学习 · 计算机科学 2020-12-07 Zhongqi Yue , Hanwang Zhang , Qianru Sun , Xian-Sheng Hua

Implicit in-context learning (ICL) has newly emerged as a promising paradigm that simulates ICL behaviors in the representation space of Large Language Models (LLMs), aiming to attain few-shot performance at zero-shot cost. However,…

计算与语言 · 计算机科学 2025-09-30 Jiaqian Li , Yanshu Li , Ligong Han , Ruixiang Tang , Wenya Wang

Modern self-supervised learning algorithms typically enforce persistency of instance representations across views. While being very effective on learning holistic image and video representations, such an objective becomes sub-optimal for…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Liangzhe Yuan , Rui Qian , Yin Cui , Boqing Gong , Florian Schroff , Ming-Hsuan Yang , Hartwig Adam , Ting Liu

Whilst contrastive learning has recently brought notable benefits to deep clustering of unlabelled images by learning sample-specific discriminative visual features, its potential for explicitly inferring class decision boundaries is less…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Jiabo Huang , Shaogang Gong

We present MaCLR, a novel method to explicitly perform cross-modal self-supervised video representations learning from visual and motion modalities. Compared to previous video representation learning methods that mostly focus on learning…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Fanyi Xiao , Joseph Tighe , Davide Modolo

In this paper, we present CLCC, a novel contrastive learning framework for color constancy. Contrastive learning has been applied for learning high-quality visual representations for image classification. One key aspect to yield useful…

计算机视觉与模式识别 · 计算机科学 2021-06-10 Yi-Chen Lo , Chia-Che Chang , Hsuan-Chao Chiu , Yu-Hao Huang , Chia-Ping Chen , Yu-Lin Chang , Kevin Jou