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Large language models (LLMs) have initiated a paradigm shift in transfer learning. In contrast to the classic pretraining-then-finetuning procedure, in order to use LLMs for downstream prediction tasks, one only needs to provide a few…

Computation and Language · Computer Science 2025-09-16 Chi Han , Ziqi Wang , Han Zhao , Heng Ji

The emergent ability of Large Language Models to use a small number of examples to learn to perform in novel domains and tasks, also called in-context learning (ICL). In this work, we show that a much smaller model can be trained to perform…

Computation and Language · Computer Science 2023-09-18 Raphael Reinauer , Patrick Simianer , Kaden Uhlig , Johannes E. M. Mosig , Joern Wuebker

We argue that in-context learning (ICL) predictably arises from standard self-supervised next-token pretraining, rather than being an exotic emergent property. This work establishes the foundational principles of this emergence by focusing…

Machine Learning · Computer Science 2025-07-15 Paul M. Riechers , Henry R. Bigelow , Eric A. Alt , Adam Shai

This paper investigates context stickiness in in-context learning (ICL), a phenomenon where earlier examples in a prompt interfere with a transformer's ability to adapt to later tasks. Using synthetic regression tasks over linear and…

Machine Learning · Computer Science 2026-04-28 Hanna Rød , Dagny Streit , Nils Valseth Selte , Justin Li

Transformers have a remarkable ability to learn and execute tasks based on examples provided within the input itself, without explicit prior training. It has been argued that this capability, known as in-context learning (ICL), is a…

Machine Learning · Statistics 2025-10-06 Yue M. Lu , Mary I. Letey , Jacob A. Zavatone-Veth , Anindita Maiti , Cengiz Pehlevan

In-context learning (ICL) is an important yet not fully understood ability of pre-trained large language models (LLMs). It can greatly enhance task performance using a few examples, termed demonstrations, without fine-tuning. Although…

Computation and Language · Computer Science 2025-06-03 Do Xuan Long , Duong Ngoc Yen , Do Xuan Trong , Luu Anh Tuan , Kenji Kawaguchi , Shafiq Joty , Min-Yen Kan , Nancy F. Chen

"Induction heads" are attention heads that implement a simple algorithm to complete token sequences like [A][B] ... [A] -> [B]. In this work, we present preliminary and indirect evidence for a hypothesis that induction heads might…

In-Context Learning (ICL) empowers Large Language Models (LLMs) with the ability to learn from a few examples provided in the prompt, enabling downstream generalization without the requirement for gradient updates. Despite encouragingly…

Computation and Language · Computer Science 2025-01-28 Haitao Mao , Guangliang Liu , Yao Ma , Rongrong Wang , Kristen Johnson , Jiliang Tang

We investigate the mechanism of in-context learning (ICL) on sentence classification tasks with semantically-unrelated labels ("foo"/"bar"). We find intervening in only 1\% heads (named "in-context heads") significantly affects ICL accuracy…

Computation and Language · Computer Science 2024-09-26 Zeping Yu , Sophia Ananiadou

The transformer architecture, which processes sequences of input tokens to produce outputs for query tokens, has revolutionized numerous areas of machine learning. A defining feature of transformers is their ability to perform previously…

Machine Learning · Computer Science 2025-10-02 Hongbo Li , Lingjie Duan , Yingbin Liang

Pre-trained language models (LMs) are capable of in-context learning (ICL): they can adapt to a task with only a few examples given in the prompt without any parameter update. However, it is unclear where this capability comes from as there…

Computation and Language · Computer Science 2024-02-21 Yanda Chen , Chen Zhao , Zhou Yu , Kathleen McKeown , He He

In-context learning (ICL) has proven to be a significant capability with the advancement of Large Language models (LLMs). By instructing LLMs using few-shot demonstrative examples, ICL enables them to perform a wide range of tasks without…

Computation and Language · Computer Science 2024-08-21 Quanyu Long , Jianda Chen , Wenya Wang , Sinno Jialin Pan

Large language models (LLMs) can adapt to new tasks via in-context learning (ICL) without parameter updates, making them powerful learning engines for fast adaptation. While extensive research has examined ICL as a few-shot learner, whether…

Machine Learning · Computer Science 2025-09-30 Liuwang Kang , Fan Wang , Shaoshan Liu , Hung-Chyun Chou , Chuan Lin , Ning Ding

In-context learning (ICL) allows some autoregressive models to solve tasks via next-token prediction and without needing further training. This has led to claims about these model's ability to solve (learn) unseen tasks with only a few…

Computation and Language · Computer Science 2026-02-12 Adrian de Wynter

In-context learning (ICL) is a remarkable capability of pretrained transformers that allows models to generalize to unseen tasks after seeing only a few examples. We investigate empirically the conditions necessary on the pretraining…

Machine Learning · Computer Science 2025-12-11 Chase Goddard , Lindsay M. Smith , Vudtiwat Ngampruetikorn , David J. Schwab

Pre-trained large language models have demonstrated a strong ability to learn from context, known as in-context learning (ICL). Despite a surge of recent applications that leverage such capabilities, it is by no means clear, at least…

Artificial Intelligence · Computer Science 2025-10-28 Bingqing Song , Jiaxiang Li , Rong Wang , Songtao Lu , Mingyi Hong

Transformer models, notably large language models (LLMs), have the remarkable ability to perform in-context learning (ICL) -- to perform new tasks when prompted with unseen input-output examples without any explicit model training. In this…

Machine Learning · Computer Science 2023-11-03 Steve Yadlowsky , Lyric Doshi , Nilesh Tripuraneni

This paper introduces a novel in-context learning (ICL) framework, inspired by large language models (LLMs), for soft-input soft-output channel equalization in coded multiple-input multiple-output (MIMO) systems. The proposed approach…

Signal Processing · Electrical Eng. & Systems 2025-05-12 Zihang Song , Matteo Zecchin , Bipin Rajendran , Osvaldo Simeone

Large-scale Transformer language models (LMs) trained solely on next-token prediction with web-scale data can solve a wide range of tasks after seeing just a few examples. The mechanism behind this capability, known as in-context learning…

Computation and Language · Computer Science 2025-10-08 Jingcheng Niu , Subhabrata Dutta , Ahmed Elshabrawy , Harish Tayyar Madabushi , Iryna Gurevych

Generative Large Language Models (LLMs) are capable of being in-context learners. However, the underlying mechanism of in-context learning (ICL) is still a major research question, and experimental research results about how models exploit…

Computation and Language · Computer Science 2025-02-11 Aliakbar Nafar , Kristen Brent Venable , Parisa Kordjamshidi