Challenge: Recent large language models (LLMs) are leveraging human feedback to improve their output quality. however, human feedback is costly to collect, especially at inference time when the model provides new, unseen input.
Approach: They propose an inference-time optimization method to refine large language models' output based on fine-grained feedback to pinpoint defects and guide iterative refinement .
Outcome: The proposed method consistently outperforms baseline approaches on three text generation tasks, including machine translation, long-form question answering, and topical summarization.

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Challenge: Recent work has explored the capability of large language models to identify and correct errors in LLM-generated responses.
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Challenge: Pre-trained language models provide strong foundations, but effective adaptation under data scarcity requires efficient and efficient fine-tuning techniques.
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Large Language Models for Generative Recommendation: A Survey and Visionary Discussions (2024.lrec-main)

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Challenge: Large language models (LLMs) have revolutionized the field of natural language processing but are not fully able to leverage the generative power of LLM.
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I Learn Better If You Speak My Language: Understanding the Superior Performance of Fine-Tuning Large Language Models with LLM-Generated Responses (2024.emnlp-main)

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Challenge: Recent research has demonstrated that a large language model (LLM) can generate training data for another LLM, or for creating supplementary training materials, such as rationales.
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Contextual Refinement of Translations: Large Language Models for Sentence and Document-Level Post-Editing (2024.naacl-long)

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Challenge: Large language models have demonstrated considerable success in various natural language processing tasks, but their performance in NMT tasks is still underexplored.
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Automatic Evaluation of Attribution by Large Language Models (2023.findings-emnlp)

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Challenge: Generative large language models (LLMs) incorporate external references to generate and support claims. however, evaluating the attribution remains an open problem.
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GSM-Noise: Exploring and Enhancing Large Language Models’ Reasoning under Noisy Inputs (2026.findings-acl)

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Challenge: Large language models struggle when dealing with complex, ill-formed, or noisy inputs . open-source models are less robust, while closed-source ones are more robust .
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Challenge: Large language models excel in general tasks but struggle with domain-specific ones, requiring fine-tuning with specific data.
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Learning to Verify Summary Facts with Fine-Grained LLM Feedback (2025.coling-main)

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Challenge: Recent advances in large language models (LLMs) have significantly enhanced the text summarization performance, but hallucination issues still occur in summaries.
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Improving the OOD Performance of Closed-Source LLMs on NLI Through Strategic Data Selection (2026.findings-eacl)

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Challenge: Existing methods to improve robustness require changing the fine-tuning process or large-scale data augmentation, which are infeasible or cost prohibitive for closed-source models.
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