Smart Digital Twin for Energy Efficiency in Buildings Using BIM, IoT and AI: Case Study of Villa in MoroccoFatima Zahra Saaidi, Abderrahim Boulanouar, Yves Géraud and Abdelaali RahmouniE3S Web Conf., 680 (2025) 00144DOI: https://doi.org/10.1051/e3sconf/202568000144