GRAFICS: Graph Embedding-based Floor Identification Using Crowdsourced RF Signals. - Weipeng Zhuo; Ziqi Zhao; Ka Ho Chiu; Shiju Li 001; Sangtae Ha; Chul-Ho Lee; S.-H. Gary Chan (ICDCS, 2022)

FIS-ONE: Floor Identification System with One Label for Crowdsourced RF Signals. - Weipeng Zhuo; Ka Ho Chiu; Jierun Chen; Ziqi Zhao; S.-H. Gary Chan; Sangtae Ha; Chul-Ho Lee (ICDCS, 2023)

Semi-supervised Learning with Network Embedding on Ambient RF Signals for Geofencing Services. - Weipeng Zhuo; Ka Ho Chiu; Jierun Chen; Jiajie Tan; Edmund Sumpena; S.-H. Gary Chan; Sangtae Ha; Chul-Ho Lee (ICDE, 2023)

Graph-based Fingerprint Update Using Unlabelled WiFi Signals. - Ka Ho Chiu; Handi Yin; Weipeng Zhuo; Chul-Ho Lee; S.-H. Gary Chan (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2025)