📝 Publications

PRO-HNSW: Proactive Repair and Optimization for High-Performance Dynamic HNSW Indexes. Huijun Jin*, Jieun Lee, Shengmin Piao, Sangmin Seo, Sanghyun Park (ICDE 2026)
TinyThinker: Distilling Reasoning through Coarse-to-Fine Knowledge Internalization with Self-Reflection. Shengmin Piao* and Sanghyun Park (NAACL 2025) 📖
Efficient Approximate Nearest Neighbor Search via Data-AdaptiveParameter Adjustment in Hierarchical Navigable Small Graphs. Huijun Jin*, Jieun Lee, Shengmin Piao, Sangmin Seo, Sanghyun Park (DATE 2025) 📖

ReBADD-SE: Multi-objective molecular optimisation using SELFIES fragment and off-policy self-critical sequence training. Jonghwan Choi*, Sangmin Seo, Seungyeon Choi, Shengmin Piao, Chihyun Park, Sung Jin Ryu, Byung Ju Kim, Sanghyun Park. Computers in Biology and Medicine, 2023 📖
SELF-EdiT: Structure-Constrained Molecular Optimization Using SELFIES Editing Transformer. Shengmin Piao*, Jonghwan Choi, Sangmin Seo, Sanghyun Park. Applied Intelligence, 2023 📖

LitE-SQL: A Lightweight and Efficient Text-to-SQL Framework with Vector-based Schema Linking and Execution-Guided Self-Correction. Shengmin Piao*, Jieun Lee*, Sanghyun Park. ArXiv, 2025 📖
SpiralThinker: Latent Reasoning through an Iterative Process with Text-Latent Interleaving. Shengmin Piao*, Sanghyun Park. ArXiv, 2025 📖