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The Scientific Journal of Informatics (SJI) has migrated to a new platform starting in 2024 to enhance security and protect against potential threats, including journal hacking and other malicious activities. To submit your manuscript, please visit our new journal website at: https://journal.unnes.ac.id/journals/sji

Click here for the official migration statement.

 

Scientific Journal of Informatics (p-ISSN 2407-7658 | e-ISSN 2460-0040) published by the Department of Computer Science, Universitas Negeri Semarang, a scientific journal of Information Systems and Information Technology which includes scholarly writings on pure research and applied research in the field of information systems and information technology as well as a review-general review of the development of the theory, methods, and related applied sciences. The SJI publishes 4 issues in a calendar year (February, May, August, November).

One of the key advantages of this journal is its fast response time. For high-quality articles, the estimated processing times are as follows:

  1. Initial decision for review: 1–10 days after submission

  2. Decision after peer review: 6–8 weeks after submission

  3. Online publication: 1–4 weeks after acceptance

If you have any inquiries, feel free to contact us through the contact information provided on this website.

Indexing & Abstracting: DOAJ, SINTA, ROAD, GARUDA, DIMENSIONS

Current Issue

Vol. 12 No. 4: November 2025
View Vol. 12 No. 4: November 2025
DOI: https://doi.org/10.15294/sji.v12i4
Published: 19-11-2025

Articles

  • Optimized LSTM Model Using Simulated Annealing for Autoignition Temperature (AIT) Prediction as a Hazard Indicator

    Nurul Izzah Abdussalam Zahra (Author)
    Article ID 38278
    DOI: https://doi.org/10.15294/sji.v12i4.38278

  • Evaluating the Implementation of the FinOps Framework for Cloud Infrastructure Cost Management: A Case Study of Technology Companies in Indonesia

    Hierony Manurung, Rizal Fathoni Aji (Author)
    709-720
    Article ID 36226
    DOI: https://doi.org/10.15294/sji.v12i4.36226

  • Improving Sentiment Analysis with a Context-Aware RoBERTa–BiLSTM and Word2Vec Branch

    Aji Purwinarko (Author)
    Article ID 35918
    DOI: https://doi.org/10.15294/sji.v12i4.35918

  • Which Features Matter Most? Evaluating Numerical and Textual Features for Helpfulness Classification in Imbalance Dataset using XGBoost

    Anindita Putri Kirani, Ristu Saptono, Rini Anggrainingsih (Author)
    Article ID 33443
    DOI: https://doi.org/10.15294/sji.v12i4.33443

  • Comparative Performance Analysis of Deep Learning Models for Cryptocurrency Price Forecasting

    Ryo Pambudi, Dinar Mutiara Kusumo Nugraheni, Aris Puji Widodo (Author)
    Article ID 35653
    DOI: https://doi.org/10.15294/sji.v12i4.35653

  • A Hybrid YOLOv8-ResNet50 Architecture for Enhanced Cardiomegaly Prediction from Chest X-rays

    Arif Nur Faudin, Farikhin Farikhin, Wahyul Amien Syafei (Author)
    697-708
    Article ID 35225
    DOI: https://doi.org/10.15294/sji.v12i4.35225

  • A Systematic Review and Bibliometric Study of Climate Change Sentiment Analysis: Trends and Approaches

    Karisma Vinda Nissa Kusumawati, Indra Budi, Amanah Ramadiah, Aris Budi Santoso, Prabu Kresna Putra (Author)
    Article ID 34947
    DOI: https://doi.org/10.15294/sji.v12i4.34947

  • Strategy Improvement for IT Governance in Library Services Using an Adaptation of ITIL 4 and FitSM : A COBIT 2019 Evaluation

    Nurul Asyikin Idrus, Catur Edi Widodo (Author)
    685-696
    Article ID 34197
    DOI: https://doi.org/10.15294/sji.v12i4.34197

  • Improved Stroke Classification Accuracy by Using Hybrid Inception and Xception Models

    Desta Atikananda, Slamet Riyadi, Cahya Damarjati, Annisa Divayu Andriyani (Author)
    Article ID 29023
    DOI: https://doi.org/10.15294/sji.v12i4.29023

  • Migrating Monolithic to Microservices: Comparative Performance Testing Evaluation Between Architectures

    Asep Wahyudin, Ani Anisyah, Herbert, Sekar Madu Kusumawardani, Erlangga (Author)
    Article ID 28499
    DOI: https://doi.org/10.15294/sji.v12i4.28499

  • Artificial Intelligence-Based Leveling System for Determining Severity Level of Autism Spectrum Disorder

    R Rasim, M Munir, Yaya Wihardi, Lanto Ningrayati Amali (Author)
    567-576
    Article ID 14440
    DOI: https://doi.org/10.15294/sji.v12i4.14440

  • Smart Rupiah Recognition: A Mobile Machine Learning Approach for Visually Impaired Users

    Hanan Nadhif Fadlurrahman, Affandy Affandy, Dede Faiz Cahyadi (Author)
    577-586
    Article ID 28930
    DOI: https://doi.org/10.15294/sji.v12i4.28930

  • Elementary School Accreditation Assessment Using Fuzzy Tsukamoto and SMARTER Method

    Nurhita Rahmawati, Oky Dwi Nurhayati, Bayu Surarso (Author)
    587-596
    Article ID 30729
    DOI: https://doi.org/10.15294/sji.v12i4.30729

  • UTAUT-2, HOT-Fit, and PLS-SEM for User Acceptance and Success of the Face Recognition Feature in CAT BKN Application

    Juwita Dwinda Sari, Budi Warsito, Catur Edi Wibowo (Author)
    597-610
    Article ID 31229
    DOI: https://doi.org/10.15294/sji.v12i4.31229

  • Performance of SARIMA, LSTM, GRU and Ensemble Methods for Forecasting Nickel Prices

    Irdayanti, Khairil Anwar Notodiputro, Sachnaz Desta Oktarina (Author)
    611-622
    Article ID 32225
    DOI: https://doi.org/10.15294/sji.v12i4.32225

  • Smart Monitoring Implementation for Hosting Services Using Zabbix and Autoencoder Models

    Rizky Fenaldo Maulana, Ardian Yusuf Wicaksono, Irvan Surya Nugraha, Yuandytha Putri Ade Sujiana (Author)
    623-634
    Article ID 33241
    DOI: https://doi.org/10.15294/sji.v12i4.33241

  • Review: A Hybrid Approach of Aspect-Based Sentiment Analysis and Knowledge Extraction for Evaluating Security Perceptions in Digital Payment Applications

    Aisyah Fatihaturrahmah, Ken Ditha Tania (Author)
    635-650
    Article ID 31557
    DOI: https://doi.org/10.15294/sji.v12i4.31557

  • Impact of Feature Engineering on XGBoost Model for Forecasting Cayenne Pepper Prices

    Jasman Pardede, Anisa Putri Setyaningrum, Muhammad Ilyas Al-Fadhlih, Marisa Premitasari (Author)
    651-664
    Article ID 32157
    DOI: https://doi.org/10.15294/sji.v12i4.32157

  • Ultra-Low-Cost Hybrid OCR–LLM Architecture for Production Grade E-KTP Extraction

    Anjar Tiyo Saputro, Bambang Agus Herlambang, Mega Novita (Author)
    665-672
    Article ID 38200
    DOI: https://doi.org/10.15294/sji.v12i4.38200

  • Optimization of Logistic Regression Algorithm Using Grey Wolf Optimizer for Credit Card Fraud Detection

    Wiyanda Puspita, M. Faris Al Hakim (Author)
    673-684
    Article ID 26807
    DOI: https://doi.org/10.15294/sji.v12i4.26807
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