Hi-Q: Hierarchical Evidence-guided Query Refinement for Multi-Hop Question Answering
Jueun Kim, Sungho Park, Wook-Shin Han
NeurIPS 2026
Tag: Multihop QA
SPARTA: Scalable and Principled Benchmark of Tree-Structured Multi-hop QA over Text and Tables
Sungho Park, Jueun Kim, Wook-Shin Han
ICLR 2026
HELIOS: Harmonizing Early Fusion, Late Fusion, and LLM Reasoning for Multi-Granular Table-Text Retrieval
Sungho Park, Joohyung Yun, Jongwuk Lee, Wook-Shin Han
ACL 2025 | Main Conference | 🏆 BK21 Best Paper Award (Grand Prize), 2025
KDD Cup Meta CRAG 2024: Three-step Question-Answering Framework
Sungho Park, Jeongeum Seok, Jooyoung Lee, Joohyung Yun, Wonseok Lee
KDD Cup 2024 | 🏆 Winner (Comparison & Post-processing Tasks)