Grey Wolf Optimization and Deep Belief Networks for Data-Efficient Forecasting in Smart Renewable Energy Systems. - Abdulhadi Altherwi; Md. Mottahir Alam; Mastoor M. Abushaega; Ahmed Hamzi; Abdulmajeed Azyabi; Shabbir Hassan; Asif Irshad Khan (J. Univers. Comput. Sci., 2026)