Álvarez, Pedro, Jorge García de Quirós, and Sandra Baldassarri. “RIADA: A Machine-Learning Based Infrastructure for Recognising the Emotions of Spotify Songs”. International Journal of Interactive Multimedia and Artificial Intelligence 8, no. 2 (June 1, 2023): 168–181. Accessed October 14, 2025. https://revistas.unir.net/index.php/ijimai/article/view/435.