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We propose to improve in-context learning (ICL) by optimizing the continuous embeddings of a fixed few-shot prompt at test time. The key observation is that the log-probabilities a model assigns to its demonstrated…

Computation and Language · Computer Science 2026-05-25 Baturay Saglam , Dionysis Kalogerias

In-context learning (ICL) is the ability of a large language model (LLM) to learn a new task from a few demonstrations presented as part of the context. Past studies have attributed a large portion of the success of ICL to the way these…

Computation and Language · Computer Science 2025-10-10 Ioana Marinescu , Kyunghyun Cho , Eric Karl Oermann

In-context learning (ICL) approaches typically leverage prompting to condition decoder-only language model generation on reference information. Just-in-time processing of a context is inefficient due to the quadratic cost of self-attention…

In-context learning (ICL) ability has emerged with the increasing scale of large language models (LLMs), enabling them to learn input-label mappings from demonstrations and perform well on downstream tasks. However, under the standard ICL…

Computation and Language · Computer Science 2024-04-19 Yifan Wang , Qingyan Guo , Xinzhe Ni , Chufan Shi , Lemao Liu , Haiyun Jiang , Yujiu Yang

In-Context Learning (ICL) has emerged as a pivotal capability of auto-regressive large language models, yet it is hindered by a notable sensitivity to the ordering of context examples regardless of their mutual independence. To address this…

Computation and Language · Computer Science 2025-05-09 Lizhe Fang , Yifei Wang , Khashayar Gatmiry , Lei Fang , Yisen Wang

In-context learning (ICL) is a new paradigm for natural language processing that utilizes Generative Pre-trained Transformer (GPT)-like models. This approach uses prompts that include in-context demonstrations to generate the corresponding…

Computation and Language · Computer Science 2024-01-24 Momin Abbas , Yi Zhou , Parikshit Ram , Nathalie Baracaldo , Horst Samulowitz , Theodoros Salonidis , Tianyi Chen

In-context learning (ICL) enables large language models to adapt to new tasks from demonstrations without parameter updates. Despite extensive empirical studies, a principled understanding of ICL emergence at scale remains more elusive. We…

Machine Learning · Computer Science 2025-11-11 Sushant Mehta , Ishan Gupta

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

The remarkable ability of Large Language Models (LLMs) to understand and follow instructions has sometimes been limited by their in-context learning (ICL) performance in low-resource languages. To address this, we introduce a novel approach…

Computation and Language · Computer Science 2023-12-06 Xiaoqian Li , Ercong Nie , Sheng Liang

Despite the surprising few-shot performance of in-context learning (ICL), it is still a common practice to randomly sample examples to serve as context. This paper advocates a new principle for ICL: self-adaptive in-context learning. The…

Computation and Language · Computer Science 2023-05-04 Zhiyong Wu , Yaoxiang Wang , Jiacheng Ye , Lingpeng Kong

In-context learning (ICL) adapts LLMs by providing demonstrations without fine-tuning the model parameters; however, it does not differentiate between demonstrations and quadratically increases the complexity of Transformer LLMs, exhausting…

Computation and Language · Computer Science 2024-11-06 Giwon Hong , Emile van Krieken , Edoardo Ponti , Nikolay Malkin , Pasquale Minervini

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

Fine-grained emotion recognition aims to identify the emotional type in queries through reasoning and decision-making processes, playing a crucial role in various systems. Recent methods use In-Context Learning (ICL), enhancing the…

Artificial Intelligence · Computer Science 2025-10-09 Zhaochun Ren , Zhou Yang , Chenglong Ye , Haizhou Sun , Chao Chen , Xiaofei Zhu , Xiangwen Liao

In-Context Learning (ICL) is a significant paradigm for Large Multimodal Models (LMMs), using a few in-context demonstrations (ICDs) for new task adaptation. However, its performance is sensitive to demonstration configurations and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Xiaoyu Li , Yuhang Liu , Xuanshuo Kang , Zheng Luo , Fangqi Lou , Xiaohua Wu , Zihan Xiong

In-context learning (ICL) has emerged as a powerful paradigm for easily adapting Large Language Models (LLMs) to various tasks. However, our understanding of how ICL works remains limited. We explore a simple model of ICL in a controlled…

Machine Learning · Computer Science 2025-09-03 Omar Naim , Guilhem Fouilhé , Nicholas Asher

In-Context Learning (ICL) has significantly expanded the general-purpose nature of large language models, allowing them to adapt to novel tasks using merely the inputted context. This has motivated a series of papers that analyze tractable…

Machine Learning · Computer Science 2025-05-05 Core Francisco Park , Ekdeep Singh Lubana , Itamar Pres , Hidenori Tanaka

Language models, especially pre-trained large language models, have showcased remarkable abilities as few-shot in-context learners (ICL), adept at adapting to new tasks with just a few demonstrations in the input context. However, the…

Computation and Language · Computer Science 2024-03-26 Man Luo , Xin Xu , Yue Liu , Panupong Pasupat , Mehran Kazemi

Large pre-trained sequence models, such as transformers, excel as few-shot learners capable of in-context learning (ICL). In ICL, a model is trained to adapt its operation to a new task based on limited contextual information, typically in…

Information Theory · Computer Science 2024-04-12 Matteo Zecchin , Kai Yu , Osvaldo Simeone

In-Context Learning (ICL) has emerged as a promising solution to enhance the code generation capabilities of Large Language Models (LLMs), which incorporates code examples inside the prompt to let LLMs learn from demonstrations. However,…

Software Engineering · Computer Science 2025-08-11 Dongze Li , Songqiang Chen , Jialun Cao , Shing-Chi Cheung

In-context learning (ICL) allows large language models (LLMs) to solve novel tasks without weight updates. Despite its empirical success, the mechanism behind ICL remains poorly understood, limiting our ability to interpret, improve, and…

Machine Learning · Computer Science 2025-06-16 Chengye Li , Haiyun Liu , Yuanxi Li