Towards Multi-way Join Aware Optimizer in SAP HANA. - Sungheun Wi; Wook-Shin Han; Chu-Ho Chang; Kihong Kim (Proc. VLDB Endow., 2020)

Membrane - Safe and Performant Data Access Controls in Apache Spark in the Presence of Imperative Code. - Andrei Paduroiu; Sungheun Wi; Yan Yan; Roni Burd; Ruhollah A Farchtchi; Giovanni Matteo Fumarola (Proc. VLDB Endow., 2024)