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Meng-Nan Du

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#artificial intelligence Preprint Sep 2026

MM-FinEval: A Multi-Task Multimodal Benchmark for Real-World Financial Forecasting

Financial forecasting from earnings conference calls requires models to reason over complex corporate disclosures, market expectations, and subtle communication signals. However, existing financial benchmarks are often limited to unimodal inputs or single-task settings, making it difficult to evaluate whether multimoda...

Dong Shu, Yan-Guang Liu, Huo-Pu Zhang et al. · 0 citations
#machine learning Preprint Sep 2026

BiasReducer: Adaptive Bias Mitigation for Reward Models

Reward models score responses from large language models (LLMs) and guide LLM training toward human preferences. However, reward models can favor superficial attributes such as length or confidence, leading LLMs to produce higher-scoring but not more correct responses. Existing mitigation methods either retrain the rew...

Shuang Liu, Yongliang Miao, Yan-Guang Liu et al. · 0 citations

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