Budget and Frequency Controlled Cost-Aware Model Extraction Attack on Sequential Recommenders. - Lei Zhou 035; Min Gao 001; Zongwei Wang 002; Yibing Bai (CIKM, 2025)

Green-Red Watermarking for Recommender Systems. - Lei Zhou 035; Min Gao 001; Zongwei Wang 002; Yibing Bai; Wentao Li 001 (CoRR, 2026)