Challenge: Existing Chinese preference datasets suffer from limited scale, restricted domain coverage, and insufficiently rigorous data validation.
Approach: They propose an LLM-based data annotation pipeline with no human intervention to annotate Chinese preference datasets.
Outcome: The proposed pipeline outperforms existing Chinese preference datasets on AlignBench and Chinese Reward Benchmark.

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Challenge: Existing datasets for Chinese instruction tuning are not well-aligned with Chinese users’ interaction patterns.
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Cheems: A Practical Guidance for Building and Evaluating Chinese Reward Models from Scratch (2025.acl-long)

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Challenge: Existing Chinese resources are small in scale and limited to specific domains, making them insufficient for LLM post-training.
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AlignBench: Benchmarking Chinese Alignment of Large Language Models (2024.acl-long)

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Challenge: Effective evaluation of alignment for emerging Chinese LLMs is still significantly lacking, calling for real-scenario grounded, open-ended, challenging and automatic evaluations tailored for alignment.
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Challenge: Existing methods to learn from preference-based feedback are expensive and scarce.
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Challenge: Large Language Models (LLMs) suffer from factual inconsistency and hallucination despite recent advances . training a preference model requires substantial human annotation, which is expensive and labor-intensive.
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Challenge: Recent studies have focused on personalizing conversational assistants to meet specific user preferences.
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CodeArena: Evaluating and Aligning CodeLLMs on Human Preference (2025.emnlp-main)

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Challenge: Code large language models (codeLLMs) focus on synthesizing the correct code snippet, ignoring the alignment with human preferences.
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Dissecting Human and LLM Preferences (2024.acl-long)

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Challenge: a recent study shows that human and Large Language Model preferences are important for model fine-tuning and evaluation.
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Challenge: a recent study has found that preference learning is a key tool for enhancing LLM training and alignment.
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Challenge: Current large language models (LLMs) show a significant performance gap in alignment between English and other languages.
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