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Hao Liang

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#natural language process... Preprint Sep 2026

OmniEdu: Open Foundation Models for Learning and Teaching

The value of curated, capability-balanced supervision for adapting general language models to educational tasks spanning problem solving, curriculum understanding, and instructional support is demonstrated.

Hao Liang, Qi-Han Lin, Mei-Yi Qiang et al. · 0 citations
#natural language process... Preprint Aug 2026

COAL-SQL: Coverage-Guided Augmentation and Failure-Driven Learning for Text-to-SQL Post-Training

COAL-SQL is proposed, a unified framework combining Coverage-Guided Augmentation (CGA) and Failure-Driven Learning (FDL) that achieves 64.9% execution accuracy on the BIRD development set and outperforms baselines trained at comparable scale.

Qi-Feng Cai, Xuan-Guang Pan, Hao Liang et al. · 0 citations
#machine learning Preprint Sep 2026

DataFlex-RL: An Evaluation Platform for RLVR Data Policies

DataFlex-RL, an evaluation platform for comparing choices under a common GRPO recipe, is introduced, finding that changing the data policy measurably changes the training process but does not produce a reproducible improvement over uniform training.

Hao Liang, Ming-Rui Chen, Hengyi Feng et al. · 2 citations

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