Hengwei Liu — accepted AI-conference papers

2025

DB-Explore: Automated Database Exploration and Instruction Synthesis for Text-to-SQL

Haoyuan Ma, Yongliang Shen, Hengwei Liu, Wenqi Zhang, Haolei Xu, Qiuying Peng +2

EMNLP 2025

Recent text-to-SQL systems powered by large language models (LLMs) have demonstrated remarkable performance in translating natural language queries into SQL.However, these systems often struggle with complex database structures and domain-specific queries, as they primarily focus on enhancing logica

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2025

Logic: Long-form Outline Generation via Imitative and Critical Self-refinement

Hengwei Liu, Yongliang Shen, Zhe Zheng, Haoyuan Ma, Xingyu Wu, Yin Zhang +1

EMNLP 2025

Long-form outline generation for expository articles requires both comprehensive knowledge coverage and logical coherence, which is essential for creating detailed Wikipedia-like content. However, existing methods face critical limitations: outlines generated in the pre-writing stage often have low

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