RICH: Real-time Identification of negative Cycles for High-efficiency Arbitrage. - Bingqiao Luo; Jiaxin Jiang; Yuhang Chen; Junyi Hou; Cheng Jun Tey; Ziyang Qiu; Bingsheng He; Spencer Xiao; Dominic Ong; Wee Howe Ang (Proc. VLDB Endow., 2025)