Multi-source data ensemble for energy price trend forecasting - Braz, Douglas Donizeti de Castilho; Santos, Moises Rocha dos; Paula, Marcos Basile Saviano de; Silva Filho, Donato da; Guarnier, Ewerton; Alípio, Lucas Penido; Tinós, Renato; Carvalho, Andre Carlos Ponce de Leon Ferreira de (Engineering Applications of Artificial Intelligence, 2024)