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The Role of Diversity in In-Context Learning for Large Language Models

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arxiv 2505.19426 v2 pith:JB56O6EA submitted 2025-05-26 cs.CL cs.AIcs.LG

The Role of Diversity in In-Context Learning for Large Language Models

classification cs.CL cs.AIcs.LG
keywords selectiondiversityin-contextexamplemodelsrolecodeexamples
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In-context learning (ICL) is a crucial capability of current large language models (LLMs), where the selection of examples plays a key role in performance. While most existing approaches focus on selecting the most similar examples to the query, the impact of diversity in example selection remains underexplored. We systematically investigate the role of diversity in in-context example selection through experiments across a range of tasks, from sentiment classification to more challenging math and code problems. Experiments on Llama-3.1, Gemma-2, and Mistral-v0.3 families of models show that diversity-aware selection methods improve performance, particularly on complex tasks like math and code, and enhance robustness to out-of-distribution queries. To support these findings, we introduce a theoretical framework that explains the benefits of incorporating diversity in in-context example selection.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Learning to Select Visual In-Context Demonstrations

    cs.LG 2026-03 reject novelty 5.0

    A Dueling-DQN agent selects visual in-context demonstrations and outperforms kNN retrieval on objective regression benchmarks but not on subjective preference tasks, per the paper's main table.