Enhanced Multimodal Video Retrieval System: Integrating Query Expansion and Cross-modal Temporal Event Retrieval. - Van-Thinh Vo; Minh-Khoi Nguyen; Minh-Huy Tran; Anh-Quan Nguyen-Tran; Duy-Tan Nguyen; Khanh-Loi Nguyen; Anh-Minh Phan (CoRR, 2025)