Yusfida A’la, F. , Firdaus, N. and Supriyadi, A. 2025. Optimizing Alternating Least Squares for Recommender Systems Using Particle Swarm Optimization. Jurnal Teknik Informatika (Jutif). 6, 4 (Sep. 2025), 2870–2880. DOI:https://doi.org/10.52436/1.jutif.2025.6.4.5154.