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In-Context derived Vector (ICV) methods extract task-relevant representations from large language models (LLMs) and reinject them during inference, achieving comparable performance to few-shot In-Context Learning (ICL) without repeated…

Computation and Language · Computer Science 2025-10-13 Wang Cai , Hsiu-Yuan Huang , Zhixiang Wang , Yunfang Wu

Large language models (LLMs) exhibit impressive in-context learning (ICL) capabilities, yet the quality of their predictions is fundamentally limited by the few costly labeled demonstrations that can fit into a prompt. Meanwhile, there…

Machine Learning · Computer Science 2026-01-16 Renpu Liu , Jing Yang

In-context learning (ICL) is now a common method for teaching large language models (LLMs) new tasks: given labeled examples in the input context, the LLM learns to perform the task without weight updates. Do models guided via ICL infer the…

Computation and Language · Computer Science 2024-04-11 Aaron Mueller , Albert Webson , Jackson Petty , Tal Linzen

Transformers have demonstrated a strong ability for in-context learning (ICL), enabling models to solve previously unseen tasks using only example input output pairs provided at inference time. While prior theoretical work has established…

Machine Learning · Computer Science 2026-05-19 Rushil Chandrupatla , Leo Bangayan , Sebastian Leng

Large pretrained language models have shown surprising in-context learning (ICL) ability. With a few demonstration input-label pairs, they can predict the label for an unseen input without parameter updates. Despite the great success in…

Computation and Language · Computer Science 2023-05-16 Damai Dai , Yutao Sun , Li Dong , Yaru Hao , Shuming Ma , Zhifang Sui , Furu Wei

Large transformer models pretrained on offline reinforcement learning datasets have demonstrated remarkable in-context reinforcement learning (ICRL) capabilities, where they can make good decisions when prompted with interaction…

Machine Learning · Computer Science 2024-05-28 Licong Lin , Yu Bai , Song Mei

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

In-context learning (ICL) has transformed the use of large language models (LLMs) for NLP tasks, enabling few-shot learning by conditioning on labeled examples without finetuning. Despite its effectiveness, ICL is prone to errors,…

Computation and Language · Computer Science 2025-03-21 Mario Sanz-Guerrero , Katharina von der Wense

Large language models (LLMs) often exhibit complementary strengths. Model routing harnesses these strengths by dynamically directing each query to the most suitable model, given a candidate model pool. However, routing performance relies on…

Machine Learning · Computer Science 2025-11-17 Chenxu Wang , Hao Li , Yiqun Zhang , Linyao Chen , Jianhao Chen , Ping Jian , Peng Ye , Qiaosheng Zhang , Shuyue Hu

Fine-tuning and in-context learning (ICL) are two prevalent methods in imbuing large language models with task-specific knowledge. It is commonly believed that fine-tuning can surpass ICL given sufficient training samples as it allows the…

Machine Learning · Computer Science 2024-10-08 Qingyu Yin , Xuzheng He , Luoao Deng , Chak Tou Leong , Fan Wang , Yanzhao Yan , Xiaoyu Shen , Qiang Zhang

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

Large language models (LLMs) were invented for natural language tasks such as translation, but they have proved that they can perform highly complex functions across domains. Additionally, they have been thought to develop new skills…

Computation and Language · Computer Science 2026-05-12 Jung H. Lee , Sujith Vijayan

Many imitation learning (IL) algorithms use inverse reinforcement learning (IRL) to infer a reward function that aligns with the demonstration. However, the inferred reward functions often fail to capture the underlying task objectives. In…

Machine Learning · Computer Science 2024-11-01 Weichao Zhou , Wenchao Li

In-context learning (ICL) has become a prominent paradigm to rapidly customize LLMs to new tasks without fine-tuning. However, despite the empirical evidence of its usefulness, we still do not truly understand how ICL works. In this paper,…

Machine Learning · Computer Science 2026-01-06 Harshita Narnoli , Mihai Surdeanu

In-context learning (ICL) can significantly enhance the complex reasoning capabilities of large language models (LLMs), with the key lying in the selection and ordering of demonstration examples. Previous methods typically relied on simple…

Computation and Language · Computer Science 2026-01-06 Xuetao Ma , Wenbin Jiang , Hua Huang

In-context learning (ICL) has shown impressive results in few-shot learning tasks, yet its underlying mechanism is still not fully understood. A recent line of work suggests that ICL performs gradient descent (GD)-based optimization…

Computation and Language · Computer Science 2024-04-02 Gilad Deutch , Nadav Magar , Tomer Bar Natan , Guy Dar

The emergence of long-context large language models (LLMs) has enabled the use of hundreds, or even thousands, of demonstrations for in-context learning (ICL) - a previously impractical regime. This paper investigates whether traditional…

Computation and Language · Computer Science 2025-06-17 Arjun R. Akula , Kazuma Hashimoto , Krishna Srinivasan , Aditi Chaudhary , Karthik Raman , Michael Bendersky

Language models have the ability to perform in-context learning (ICL), allowing them to flexibly adapt their behavior based on context. This contrasts with in-weights learning (IWL), where memorized information is encoded in model…

Computation and Language · Computer Science 2025-03-04 Suraj Anand , Michael A. Lepori , Jack Merullo , Ellie Pavlick

In-context learning (ICL), a property demonstrated by transformer-based sequence models, refers to the automatic inference of an input-output mapping based on examples of the mapping provided as context. ICL requires no explicit learning,…

Signal Processing · Electrical Eng. & Systems 2024-11-12 Zihang Song , Osvaldo Simeone , Bipin Rajendran

Relation extraction (RE) is an important task that aims to identify the relationships between entities in texts. While large language models (LLMs) have revealed remarkable in-context learning (ICL) capability for general zero and few-shot…

Computation and Language · Computer Science 2024-04-30 Guozheng Li , Peng Wang , Jiajun Liu , Yikai Guo , Ke Ji , Ziyu Shang , Zijie Xu