Dr. Retno Kusumaningrum, S.Si., M.Kom. She received her doctoral degree in Computer Science from the University of Indonesia. She is a lecturer at Diponegoro University in Semarang, teaching in the Informatics Study Program at the Faculty of Science and Mathematics and in the Master's Program in Information Systems at the School of Postgraduate Studies. Her expertise includes computer vision, pattern recognition, natural language processing, topic modeling, and machine learning. She has published an impressive 87 journal papers. She can be contacted via email at retno@live.undip.ac.id.