A. Kokkalas, A.T. Patenidis, E.A. Stathopoulos, E.E. Mitsopoulou, S. Diplaris, K. Papadopoulos, S. Vrochidis, K. Votis, D. Tzovaras, and I. Kompatsiaris, “e-Tracer: a Smart, Personalized and Immersive Digital Tourist Software System”, 2022, In Proceedings of The 24th International Conference on Information Integration and Web Intelligence (iiWAS2022), 28-30 November 2022, Online, (Accepted for Publication)