AdapShot: Adaptive Many-Shot In-Context Learning with Semantic-Aware KV Cache Reuse (2026.acl-long)
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| Challenge: | Existing methods for In-Context Learning (ICL) rely on a predetermined number of shots, leading to insufficient context or noise. |
| Approach: | They propose a probe-based evaluation mechanism that utilizes output entropy to determine the optimal number of shots and leverages KV cache reuse for efficient inference. |
| Outcome: | The proposed model achieves an average performance gain of 10% and a 4.64 speedup compared to state-of-the-art DBSA. |
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| Challenge: | Existing benchmarks primarily evaluate long-context language models' retrieval capabilities. |
| Approach: | They propose a benchmark to evaluate long-context language models' retrieval capabilities by using MANYICLBENCH. |
| Outcome: | The proposed model performs better with additional demonstrations than translation and reasoning tasks. |
Efficient Many-Shot In-Context Learning with Dynamic Block-Sparse Attention (2025.acl-long)
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| Challenge: | Many-shot in-context learning shifts computational burden from training-time to inference-time, making deployment of many-shot ICL challenging to justify in-practice. |
| Approach: | They propose a method for retrieval-based many-shot in-context learning that uses blocks-sparse attention and retrieval of cached demonstrations to achieve comparable per-example latency to finetuning. |
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More is not always better? Enhancing Many-Shot In-Context Learning with Differentiated and Reweighting Objectives (2025.acl-long)
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Xiaoqing Zhang, Ang Lv, Yuhan Liu, Flood Sung, Wei Liu, Jian Luan, Shuo Shang, Xiuying Chen, Rui Yan
| Challenge: | Large language models excel at few-shot in-context learning but performance plateaus as ICL demonstrations increase from a few to many. |
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TokenSelect: Efficient Long-Context Inference and Length Extrapolation for LLMs via Dynamic Token-Level KV Cache Selection (2025.emnlp-main)
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| Challenge: | Rapid advances in Large Language Models have spurred demand for processing extended context sequences . however, performance degradation due to sequence lengths out-of-distribution and excessively long inference times are limiting LLMs in long-context scenarios. |
| Approach: | They propose a training-free method for efficient and accurate long-context inference . they selectively involves a few critical KV cache tokens in attention calculation . |
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Skill-Based Few-Shot Selection for In-Context Learning (2023.emnlp-main)
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| Challenge: | Existing methods based on pre-trained embeddings can be easily biased by surface features that are not important for the target task. |
| Approach: | They propose a skill-based few-shot selection method for in-context learning . it generates skill-specific descriptions for each test case and candidate example . |
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SCOPE: Optimizing Key-Value Cache Compression in Long-context Generation (2025.acl-long)
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| Challenge: | Excessive compression during the prefill phase impairs comprehension of reasoning tasks . SCOPE is a framework that performs KV cache optimization during the decoding and prefill phases . |
| Approach: | They propose a framework that performs optimization during the prefill and decoding phases . they propose enabling a sliding strategy to select essential heavy hitters for the decoding phase . |
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Scaling Performance and Low-Resource Annotation with Many-Shot In-Context Learning for Named Entity Recognition (2026.findings-acl)
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| Challenge: | Existing studies on ICL for Named Entity Recognition (NER) have mainly explored few-shot settings, but the potential of scaling to hundreds of demonstrations has not been thoroughly investigated. |
| Approach: | They evaluate various LLMs across multiple domains using hundreds of ICL examples and then assess the feasibility of using many-shot ICL as a data annotation framework. |
| Outcome: | The proposed framework can be scaled to hundreds of examples and annotate and refining data for low-resource NER tasks. |
C-ICL: Contrastive In-context Learning for Information Extraction (2024.findings-emnlp)
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| Challenge: | Existing methods for in-context learning with large language models focus on using correct or negative examples, ignoring the potential value of incorrect or negative samples. |
| Approach: | They propose a few-shot technique that leverages both correct and incorrect sample constructions to create in-context learning demonstrations. |
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Distilling Many-Shot In-Context Learning into a Cheat Sheet (2025.findings-emnlp)
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| Challenge: | Recent advances in large language models (LLMs) enable effective in-context learning with many-shot examples, but at the cost of high computational demand due to longer input tokens. |
| Approach: | proposed cheat-sheet ICL distills information from many-shot ICL into a concise textual summary . experiment shows cheat- sheet ICL achieves comparable or better performance than many- shot ICL . |
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Can Many-Shot In-Context Learning Help LLMs as Evaluators? A Preliminary Empirical Study (2025.coling-main)
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| Challenge: | Existing evaluation approaches to evaluate Large Language Models are affected by potential biases within LLMs. |
| Approach: | They propose two many-shot In-Context Learning (ICL) prompt templates to help LLM evaluators mitigate potential biases. |
| Outcome: | The proposed templates reduce biases by using in-context examples with model-generated rationales as references. |