This issue available online on 1st January 2026 for the regular issue of January 2026. All articles in this issue (5 original research articles) were authored/co-authored by 10 authors from 2 countries (Indonesia and South Korea).

DOI: https://doi.org/10.47738/ijiis.v9i1

Published: 2026-01-25

Articles

Implementation of Artificial Intelligence to Improve Customer Service Efficiency at PT Jaya Harita Lestari

Axel Sandi Seno, Najmal Falah

234-241

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An Empirical Study on the Impact of Feature Scaling and Encoding Strategies on Machine Learning Regression Pipelines

Guevara Ananta Toer, Gwanpil Kim

242-256

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Identifying Key Psychological, Academic, and Environmental Determinants of Student Stress Using Regression-Based Machine Learning

Ahmad Saekhu, Eko Priyanto

257-269

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Forecasting Coffee Sales Using Time-Based Features and Machine Learning Models

Yoana Sonia Wijaya, Ariel Christopher Wawolangi

270-282

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Machine Learning-Based Fraud Detection in E-Commerce Transactions

Evelyn Evelyn, Adi Suryaputra Paramita

283-294

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