JSIKTI: Journal of Information Systems and Applied Computer Technology Indonesia, Volume 7 Number 3 (March 2025) presents a diverse set of applied computing studies authored by researchers from STMIK Palangkaraya, Politeknik Pertanian Negeri Samarinda, the Institut Bisnis dan Teknologi Indonesia (INSTIKI), and the National Taiwan University of Science and Technology (Taiwan Tech). This issue highlights developments in machine learning, web-based systems, educational technology, and optimization algorithms.

The contributions include a Support Vector Machine model for classifying prostate cancer data, the development of a web-based counseling system for SMK Negeri 1 Sukawati, and interactive learning media focused on key figures in Indonesia’s independence history. Further studies explore an adaptive operator and scaling factor selection mechanism in Differential Evolution, enhanced using parametrized reinforcement learning, along with a comparative analysis of C4.5 and C5.0 decision tree algorithms in predicting tuition payment delays at MTs. Al-Jabar Bali.

This issue reflects a multidisciplinary blend of healthcare analytics, educational innovation, optimization techniques, and applied information systems. It reinforces JSIKTI’s commitment to showcasing impactful, data-driven, and solution-oriented research that contributes to technological advancement across academia and industry in Indonesia and internationally.