1Mr R mahendar,2 Gudipati Pradeep Chakravarti. An Optimized Context-Aware Conversational AI Architecture with Hybrid Vector–Semantic Retrieval, Redis Caching, and Adaptive Memory Prioritization. Int. J. Data. Sci. IoT. Manag. Syst. 2026;5(3):289-297. doi:10.64751/