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We perform in-depth evaluations of in-context learning (ICL) on state-of-the-art transformer, state-space, and hybrid large language models over two categories of knowledge-based ICL tasks. Using a combination of behavioral probing and…

Computation and Language · Computer Science 2026-03-02 Shenran Wang , Timothy Tin-Long Tse , Jian Zhu

Driven by Convolutional Neural Networks, object detection and semantic segmentation have gained significant improvements. However, existing methods on the basis of a full top-down module have limited robustness in handling those two tasks…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Shihua Huang , Lu Wang

Researchers have been studying approaches to steer the behavior of Large Language Models (LLMs) and build personalized LLMs tailored for various applications. While fine-tuning seems to be a direct solution, it requires substantial…

Computation and Language · Computer Science 2024-07-31 Yuanpu Cao , Tianrong Zhang , Bochuan Cao , Ziyi Yin , Lu Lin , Fenglong Ma , Jinghui Chen

Recent research looks to harness the general knowledge and reasoning of large language models (LLMs) into agents that accomplish user-specified goals in interactive environments. Vision-language models (VLMs) extend LLMs to multi-modal data…

Machine Learning · Computer Science 2025-05-07 Jake Grigsby , Yuke Zhu , Michael Ryoo , Juan Carlos Niebles

Large language models (LLMs) have demonstrated remarkable proficiency in in-context learning (ICL), where models adapt to new tasks through example-based prompts without requiring parameter updates. However, understanding how tasks are…

Computation and Language · Computer Science 2025-11-11 Baturay Saglam , Xinyang Hu , Zhuoran Yang , Dionysis Kalogerias , Amin Karbasi

Large language models (LLMs) exhibit remarkable in-context learning (ICL) capabilities. However, the underlying working mechanism of ICL remains poorly understood. Recent research presents two conflicting views on ICL: One emphasizes the…

Computation and Language · Computer Science 2024-10-10 Anhao Zhao , Fanghua Ye , Jinlan Fu , Xiaoyu Shen

In-context learning (ICL) enables Large Language Models (LLMs) to adapt to new tasks using few examples, with task vectors - specific hidden state activations - hypothesized to encode task information. Existing studies are limited by…

Computation and Language · Computer Science 2025-06-02 Pavel Tikhonov , Ivan Oseledets , Elena Tutubalina

Vision-language models (VLMs) are widely assumed to exhibit in-context learning (ICL), a property similar to that of their language-only counterparts. While recent work suggests VLMs can perform multimodal ICL (MM-ICL), studies show they…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Chengyue Huang , Yuchen Zhu , Sichen Zhu , Jingyun Xiao , Moises Andrade , Shivang Chopra , Zsolt Kira

In-context learning (ICL) allows large language models (LLMs) to adapt to new tasks through demonstrations, yet it suffers from escalating inference costs as context length increases. While task vectors offer a promising alternative by…

Computation and Language · Computer Science 2026-05-21 Jihoon Kwon , Jiwon Choi , Jy-yong Sohn

In large language models (LLM), in-context learning (ICL) refers to performing new tasks by conditioning on small demonstrations provided in the input context. Recent advances in visual in-context learning (VICL) demonstrate promising…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Shao-Jun Xia , Huixin Zhang , Zhengzhong Tu

In-context learning (ICL) enables Large Language Models (LLMs) to learn tasks from demonstration examples without parameter updates. Although it has been extensively studied in LLMs, its effectiveness in Vision-Language Models (VLMs)…

Machine Learning · Computer Science 2025-10-29 Gabriel O. dos Santos , Esther Colombini , Sandra Avila

Large language models (LLMs) have shown remarkable in-context learning (ICL) capabilities on textual data. We explore whether these capabilities can be extended to continuous vectors from diverse domains, obtained from black-box pretrained…

Computation and Language · Computer Science 2025-02-21 Yufan Zhuang , Chandan Singh , Liyuan Liu , Jingbo Shang , Jianfeng Gao

Both bottom-up and top-down strategies have been used for neural transition-based constituent parsing. The parsing strategies differ in terms of the order in which they recognize productions in the derivation tree, where bottom-up…

Computation and Language · Computer Science 2017-07-18 Jiangming Liu , Yue Zhang

How to best integrate linguistic and perceptual processing in multi-modal tasks that involve language and vision is an important open problem. In this work, we argue that the common practice of using language in a top-down manner, to direct…

Computer Vision and Pattern Recognition · Computer Science 2022-06-24 İlker Kesen , Ozan Arkan Can , Erkut Erdem , Aykut Erdem , Deniz Yuret

Autoregressive vision-language models (VLMs) can handle many tasks within a single model, yet the representations that enable this capability remain opaque. We find that VLMs align conceptually equivalent inputs into a shared task vector,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-08 Grace Luo , Trevor Darrell , Amir Bar

Activation steering has emerged as a promising approach for efficiently adapting large language models (LLMs) to downstream behaviors. However, most existing steering methods rely on a single static direction per task or concept, making…

Activation steering presupposes that task-relevant behaviors correspond to linear directions in activation space -- directions that should both steer the model and be readable along the unembedding. Function vectors (FVs), extracted as mean…

Machine Learning · Computer Science 2026-05-12 Mohammed Suhail B Nadaf

Large language models (LLMs) operate in two fundamental learning modes - fine-tuning (FT) and in-context learning (ICL) - raising key questions about which mode yields greater language proficiency and whether they differ in their inductive…

Computation and Language · Computer Science 2026-05-19 Bishwamittra Ghosh , Soumi Das , Till Speicher , Qinyuan Wu , Mohammad Aflah Khan , Deepak Garg , Krishna P. Gummadi , Evimaria Terzi

In-context learning (ICL) in Large Language Models (LLMs) has emerged as a powerful new learning paradigm. However, its underlying mechanism is still not well understood. In particular, it is challenging to map it to the "standard" machine…

Computation and Language · Computer Science 2023-10-25 Roee Hendel , Mor Geva , Amir Globerson

In-context learning (ICL) allows large models to adapt to tasks using a few examples, yet its extension to vision-language models (VLMs) remains fragile. Our analysis reveals that the fundamental limitation lies in an inductive gap, models…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Haoyu Wang , Haonan Wang , Yuyan Chen , Jun Chen , Gang Liu , Qian Wang , Jiahong Yan , Yanghua Xiao