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All Journal Sistemasi: Jurnal Sistem Informasi Sinkron : Jurnal dan Penelitian Teknik Informatika Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Jurnal Informatika Universitas Pamulang J-SAKTI (Jurnal Sains Komputer dan Informatika) JURTEKSI JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Jurnal ICT : Information Communication & Technology JSAI (Journal Scientific and Applied Informatics) Jurnal Informatika dan Rekayasa Elektronik JATI (Jurnal Mahasiswa Teknik Informatika) Respati Jurnal Teknika JIKA (Jurnal Informatika) Jurnal Teknik Informatika (JUTIF) JNANALOKA Journal of Electrical Engineering and Computer (JEECOM) Information System Journal (INFOS) Jurnal FASILKOM (teknologi inFormASi dan ILmu KOMputer) International Journal of Artificial Intelligence and Robotics (IJAIR) Jurnal Pendidikan dan Teknologi Indonesia J-SAKTI (Jurnal Sains Komputer dan Informatika) Jurnal Informatika Teknologi dan Sains (Jinteks) Duta.com : Jurnal Ilmiah Teknologi Informasi dan Komunikasi Journal of Comprehensive Science Jurnal Ilmiah Sistem Informasi dan Ilmu Komputer Jurnal Pendidikan Indonesia (Japendi) Prosiding SEMNAS INOTEK (Seminar Nasional Inovasi Teknologi) Intechno Journal : Information Technology Journal The Indonesian Journal of Computer Science International Journal of Information Engineering and Science
DHANI ARIATMANTO
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Social Sciences Transportation Other

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STACKING ENSEMBLE LEARNING AND INSTANCE HARDNESS THRESHOLD FOR BANK TERM DEPOSIT ACCEPTANCE CLASSIFICATION ON IMBALANCED DATASET Bangun Watono; Ema Utami; Dhani Ariatmanto
Jurnal Teknik Informatika (Jutif) Vol. 5 No. 4 (2024): JUTIF Volume 5, Number 4, August 2024 - SENIKO
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2024.5.4.2022

Abstract

Bank term deposits are a popular banking product with relatively high interest rates. Predicting potential customers is crucial for banks to maximize revenue from this product. Therefore, bank term deposits acceptance classification is an important challenge in the banking industry to optimize marketing strategies. Previous studies have been conducted using machine learning classification techniques with the imbalanced Bank Marketing Dataset from the UCI Repository. However, the accuracy results obtained still need to be improved. Using the same dataset, this study proposes an Instance Hardness Threshold (IHT) undersampling technique to handle imbalanced datasets and Stacking Ensemble Learning (SEL) for classification. In this SEL, Decision Tree, Random Forest, and XGBoost are selected as base classifiers and Logistic Regression as meta classifier. The model trained on SEL with the dataset undersampled using IHT shows a high accuracy rate of 98.80% and an AUC-ROC of 0.9821. This performance is significantly better than the model trained with the dataset without undersampling, which achieved an accuracy of 90.30% and an AUC-ROC of 0.6898. The findings of this research demonstrate that implementing of the suggested IHT undersampling technique combined with SEL has been evaluated to effectively enhance the performance of term deposit classification on the dataset.
AHP-TOPSIS AND ANOVA METHOD APPROACH IN SOFTWARE DEVELOPMENT CRITERIA SELECTION ACCORDING TO ISO 12207:2017 Fadilla, Rizqi Mirza; Ariatmanto, Dhani
JURTEKSI (jurnal Teknologi dan Sistem Informasi) Vol. 11 No. 3 (2025): Juni 2025
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM) STMIK Royal Kisaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33330/jurteksi.v11i3.3698

Abstract

Abstract: The rapid development of information technology has increased the demand for high-quality software, necessitating a structured development process. ISO/IEC/IEEE 12207:2017 serves as an international standard encompassing organizational, technical, and project support processes, differing from ISO 9001, which focuses more generally on quality management. This study employs a Multi-Criteria Decision Making (MCDM) approach by integrating the Analytic Hierarchy Process (AHP) and the Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS). AHP determines the weight of ISO 12207:2017 criteria through pairwise comparisons, while TOPSIS ranks software development activities based on these weights. To validate the results, Analysis of Variance (ANOVA) is applied. The findings indicate that the Software Requirements Definition Process has the highest priority weight (0.169), followed by Implementation (0.101) and Operation (0.095). Software Configuration Management is identified as the most critical activity with the highest TOPSIS score (0.221). ANOVA confirms the reliability of expert evaluations, showing no significant differences. This study provides a structured decision-making framework based on ISO 12207:2017, helping optimize software project management while ensuring alignment with international standards and industry best practices.            Keywords: AHP; TOPSIS; ANOVA; ISO 12207:2017  Abstrak: Perkembangan teknologi informasi meningkatkan permintaan perangkat lunak berkualitas tinggi, sehingga diperlukan proses terstruktur dalam pengembangannya. ISO/IEC/IEEE 12207:2017 menjadi standar internasional yang mencakup proses organisasi, teknis, dan pendukung proyek, berbeda dengan ISO 9001 yang lebih umum pada manajemen kualitas. Penelitian ini menggunakan Multi-Criteria Decision Making (MCDM) dengan mengintegrasikan Analytic Hierarchy Process (AHP) dan Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS). AHP menentukan bobot kriteria ISO 12207:2017 melalui perbandingan berpasangan, sementara TOPSIS memeringkat aktivitas pengembangan berdasarkan bobot tersebut. Untuk validasi, Analysis of Variance (ANOVA) diterapkan. Hasil penelitian menunjukkan bahwa Proses Definisi Kebutuhan Perangkat Lunak memiliki bobot tertinggi (0,169), diikuti Implementasi (0,101), dan Operasi (0,095). Manajemen Konfigurasi Perangkat Lunak menjadi aktivitas paling kritis dengan skor TOPSIS tertinggi (0,221). ANOVA mengonfirmasi keandalan penilaian para ahli tanpa perbedaan signifikan. Penelitian ini memberikan kerangka kerja pengambilan keputusan berbasis ISO 12207:2017, membantu optimalisasi manajemen proyek perangkat lunak, serta memastikan keselarasan dengan standar internasional dan praktek terbaik industri. Kata kunci: AHP; TOPSIS; ANOVA; ISO 12207:2017
Phishing Detection on Ethereum Network menggunakan Metode Machine Learning Rosmantyo, Windhy Rokhmat; Ariatmanto, Dhani
Jurnal Pendidikan Indonesia Vol. 6 No. 3 (2025): Jurnal Pendidikan Indonesia
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/japendi.v6i3.7281

Abstract

This study discusses phishing detection on the Ethereum network using machine learning methods, specifically Graph Convolutional Networks (GCNs) and Enhanced Graph Attention Networks (EGAT). The background of this research is based on the increasing number of phishing attacks in the blockchain ecosystem that can threaten the financial security of users. The research aims to analyze the incidence rate of phishing attacks and develop effective and efficient detection methods. The methodology includes data collection from Ethereum transactions and phishing activities, followed by feature extraction, machine learning model training, and evaluation using metrics such as accuracy, precision, recall, and F-score. The identified research gap is the lack of focus on early-stage phishing detection in the Ethereum network and the suboptimal performance of existing methods in recognizing complex transaction patterns. The results indicate that EGAT achieves an accuracy of 93.6%, outperforming GCNs, which reach 91.2%. The conclusion of this research is that the EGAT method is superior in detecting phishing activities, providing significant contributions to security in the Ethereum network.
Deteksi Penyakit Gigi dan Mulut Menggunakan Algoritma Inception-V3 Detection of Dental and Oral Diseases Using Inception-V3 Ghifari, Dloifur Rohman Al; Utami, Ema; Ariatmanto, Dhani
Jurnal Pendidikan Indonesia Vol. 6 No. 4 (2025): Jurnal Pendidikan Indonesia
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/japendi.v6i4.7649

Abstract

Kesehatan gigi dan mulut sangat penting bagi kesejahteraan umum, namun banyak orang mengabaikan pengobatan karena kurangnya kesadaran atau tantangan diagnostik. Metode diagnostik tradisional sering kali kurang akurat dan efisien. Penelitian ini bertujuan mengembangkan sistem otomatis untuk mengklasifikasikan penyakit gigi dan mulut menggunakan algoritma deep learning Inception-V3 guna meningkatkan akurasi diagnostik. Penelitian menggunakan dataset 8.776 citra oral yang diseimbangkan dengan SMOTE dan diproses dengan teknik augmentasi. Inception-V3 dilatih dan dibandingkan dengan CNN, VGG-16, ResNet50, serta model machine learning tradisional. Model Inception-V3 mencapai akurasi 94%, mengungguli model lain (CNN: 81%, VGG-16: 88.7%, ResNet50: 76.25%) dan menunjukkan stabilitas tanpa overfitting. Studi ini menegaskan potensi Inception-V3 dalam analisis gambar medis, menawarkan alat diagnostik yang andal untuk deteksi dini penyakit gigi dan mulut, sehingga dapat meningkatkan hasil layanan kesehatan.
Explainable DDoS Detection with a CNN-LSTM Hybrid Model and SHAP Interpretation Amali, Amali; Muhammad Rifa'i, Anggi; Widodo, Edy; Turmudi Zy, Ahmad; Ariatmanto, Dhani
Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Vol 9 No 6 (2025): December 2025
Publisher : Ikatan Ahli Informatika Indonesia (IAII)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29207/resti.v9i6.6865

Abstract

The rising frequency and complexity of Distributed Denial of Service (DDoS) attacks pose a severe threat to network security. This study aims to develop an effective and interpretable DDoS detection framework using a hybrid deep learning approach. The proposed method integrates Convolutional Neural Networks (CNN) to capture local traffic patterns and Long Short-Term Memory (LSTM) networks to model temporal dependencies. The CICIDS 2017 dataset, after preprocessing steps including data cleaning, standardization, and class balancing with SMOTE, was used to train and evaluate the model. Experimental results show that the framework achieved 99.98% accuracy and a 99.83% F1-Score, with minimal false positive and false negative rates. This study integrates SHAP to improve model interpretability, aligning feature importance with network security expertise. Future research will focus on real-time deployment, cross-dataset validation, and exploring alternative explainable AI techniques for improved scalability.
Analisis Penerimaan Sistem Informasi Dapodik Menggunakan Metode Webqual dan EUCS Zakinah, Annisa Gatri; Prasetiyanto, Ari Eka; Khairani, Fatihatul; Wijaya, Adrianto Mahendra; Ariatmanto, Dhani
Prosiding SEMNAS INOTEK (Seminar Nasional Inovasi Teknologi) Vol. 5 No. 1 (2021): Prosiding Seminar Nasional Inovasi Teknologi Tahun 2021
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/inotek.v5i1.901

Abstract

Aspek pendidikan merupakan salah satu yang terdampak perkembangan teknologi, contohnya sistem informasi di mana merupakan media yang sangat penting dalam penyampaian informasi dari satuan Pendidikan. Salah satu aplikasi yang digunakan untuk komunikasi antara pemerintah pusat dengan tiap satuan Pendidikan adalah Aplikasi Data Pokok Pendidikan (Dapodik). Selama penggunaan Aplikasi Dapodik di kalangan operator sekolah masih terdapat beberapa keluhan. Penelitian ini mencoba melakukan analisis terhadap penerimaan Aplikasi Dapodik yang ditinjau dari segi kualitas sistem dan kepuasan pengguna dengan pendekatan WebQual 4.0 dan EUCS. Hasil analisis menunjukkan nilai gap tertinggi pada aspek usability quality sebesar -1,94 artinya kualitas sistem pada aspek penggunaan masih belum maksimal sesuai harapan sedangkan tingkat kepuasan pengguna pada sistem berada di level puas untuk semua aspek. Berdasarkan hasil analisis, diharapkan dapat mengetahui kelemahan dan kelebihan dari Aplikasi Dapodik sehingga bisa berfokus pada kelemahan dan mempertahankan kelebihanya.
DETEKSI JERAWAT DI WAJAH MENGGUNAKAN SEGMENTASI GAMBAR Napitupulu, Harapan; Ariatmanto, Dhani
Jurnal DutaCom Vol 19 No 1
Publisher : Fakultas Ilmu Komputer Universitas Duta Bangsa Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47701/h55kdy38

Abstract

Jerawat merupakan suatu penyakit yang biasa terjadi di wajah bagi anak remaja atau dewasa atau juga disebut masa puberitas dari usia Sembilan tahun sampai delapan belas tahun keatas. Penyakit kulit ini sangat sulit disembuhkan walaupun tidak berdampak pada kesehatan fisik manusia, tapi sangat mempengaruhi mental psikologi jiwa manusia yang ingin tampil pede, bersih, rapih, cantik, dan tampan. Sudah banyak penelitian yang digunakan dalam mendeteksi jerawat dengan berbagai metode yang masih rumit dalam mendeteksi jerawat. Dalam pengobatan wajah berjerawat diperlukan pengidentifikasi jerawat yang cepat mudah dan sederhana dengan tenologi, agar hasil pengobatan dapat dilakukan secara maksimal dan biaya yang murah. Tujuan dari penelitian ini adalah untuk mendeteksi jerawat dengan menggunakan segmentasi gambar yang lebih mudah dan simple untuk dipahami dengan mengkopres gambar menggunakan algoritma K-means lalu disegmentasi. Segmentasi gambar adalah pembagian gambar digital menjadi kelompok piksel diskrit untuk mendeteksi objek dan klasifikasi objek. Hasil dari penelitian ini menunjukan bahwa menggunakan metode segmentasi gambar mampu mendeteksi jerawat dengan identifikasi berbentuk titik dan lingkaran di wajah dengan mencocokan gambar asli dengan gambar yang di segmentasikan. Maka dari itu dengan menggunakan metode ini dapat digunakan dan membantu dalam pengobatan wajah berjerawat menggunakan segmentasi gambar. .  
A Hybrid Round-Robin Scheduler for GPU Batch Rendering in Constrained Cloud Environments Purwanto, Ibnu Hadi; Dhani Ariatmanto; M. Shahkhir Mozamir; Afifah Nur Aini
Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Vol 10 No 1 (2026): February 2026
Publisher : Ikatan Ahli Informatika Indonesia (IAII)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29207/resti.v10i1.7117

Abstract

Creating high-quality 2D and 3D assets is essential for digital content, but inefficient scheduling and inaccurate time estimates often hamper the rendering process. Traditional methods, which assume rendering time is directly proportional to frame count, fail to account for variations in scene complexity, resulting in severe estimation errors averaging 97.0% across all tasks. We propose a Hybrid Round-Robin Scheduler (HRRS) that intelligently manages batch rendering tasks through complexity-aware classification. Our method first categorizes tasks by complexity (Low, Medium, High) and routes them to appropriate queues with tiered quantum allocations. It then employs non-linear time estimation models and dynamically adjusts processing priorities based on real-time performance metrics. We evaluated our scheduler against standard algorithms—First-Come-First-Served (FCFS), Shortest Job First (SJF), and Round Robin (RR)—using 21 diverse rendering tasks with frame counts ranging from 10 to 420 frames. The results demonstrate that our approach reduces average waiting time by 45.9% (from 29.63s to 16.02s) and cuts bottleneck-induced delays by 78% (from 41s to 9s), while maintaining optimal CPU utilization at 85% and limiting context switches to only nine occurrences. A key finding reveals that complexity, rather than frame count, is the primary driver of processing time; high-complexity tasks required significantly longer processing (averaging 238.27 seconds) compared to medium-complexity tasks (averaging 34.52 seconds), representing a 6.9-fold performance differential. Our hybrid framework effectively overcomes the primary limitations of existing algorithms: it prevents bottlenecks from large tasks (FCFS), avoids the parallelism issues of SJF, and minimizes the performance overhead from frequent switching in Round Robin. This work provides a robust foundation for intelligent resource allocation in cloud rendering environments where task demands are variable and difficult to predict, establishing that effective scheduling requires complexity-aware algorithms rather than universal approaches.
Performance Improvement of CNN Algorithm with Data Augmentation for Tobacco Leaf Disease Classification Agung Nurhidayatullah, Rizqy; Ema Utami; Dhani Ariatmanto
Jurnal Teknika Vol 18 No 1 (2026): MARET
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jt.v18i1.1639

Abstract

Pengolahan citra digital daun tembakau merupakan pendekatan penting dalam deteksi dini dan akurat penyakit tanaman, khususnya untuk komoditas pertanian bernilai ekonomi tinggi. Penelitian ini mengusulkan pendekatan augmentasi data multi-strategi untuk meningkatkan akurasi klasifikasi penyakit daun tembakau menggunakan Convolutional Neural Networks (CNN). Tiga teknik augmentasi diterapkan: augmentasi tradisional, augmentasi sampel campuran, dan augmentasi berbasis model pada tiga arsitektur CNN (MobileNetV2, EfficientNetB0, dan VGG16). Dataset terdiri dari 400 citra daun tembakau dengan lima kelas penyakit yang dikumpulkan dari Kabupaten Wonosobo. Eksperimen dilakukan dengan dua skenario pembagian data: 70:30 dan 80:20. Hasil menunjukkan bahwa penerapan augmentasi multi-strategi berhasil meningkatkan akurasi klasifikasi hingga 81,25% pada MobileNetV2 dengan rasio 80:20, yang mewakili peningkatan 20% dibandingkan dengan model tanpa augmentasi. Selain itu, teknik augmentasi secara efektif mengurangi overfitting dengan menurunkan selisih antara akurasi pelatihan dan validasi dari 0,5-0,7 menjadi 0,1-0,2.
ANALYSIS OF DIGITAL IMAGE RECOGNITION OF INDONESIAN SIGN LANGUAGE USING THE DEEP LEARNING CNN ARCHITECTURE VGG19 METHOD Prayoga, Dimas; Utami, Ema; Ariatmanto, Dhani
JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Vol 10, No 3 (2025)
Publisher : STKIP PGRI Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29100/jipi.v10i3.7353

Abstract

This study examines the application of the CNN method with the VGG19 architecture for digital image analysis in recognizing Indonesian sign language. The data used in this study is the BISINDO data set type, with 8,814 samples divided into 26 alphabetical categories. Implementing sign language recognition using the VGG19 architecture produces good accuracy results, reaching 93.24% with epoch 25 (without hyper-parameters tuning).These results confirm the model's extraordinary ability in image recognition and performing precise analysis. However, the results of this study can be improved again by performing Hyper parameters tuning on the architecture used, namely VGG19, by changing certain variables that affect increasing accuracy. Other aspects can be improved to achieve optimal performance, considering the excellent results. By integrating modern hyper-parameter tuning approaches and incorporating a variety of additional data, the model generalization is expected to be improved, leading to higher accuracy in many real-world settings
Co-Authors Adrianto M. Wijaya Afifah Nur Aini Agung Nurhidayatullah, Rizqy Ahsan, Muhammad Salimy Alfansani, Abdul Rauf Alva Hendi Muhammad Amali, Amali Anggriandi, Dendi Anjar Setiawan Anton, Tri Arfian Hendro Priyono Arfian Yogi Ferianto Arief Setyanto Aris Setiyadi Bangun Watono BHANU SRI NUGRAHA Chaedar Fatach, Muhamad Reza Didi Kurniawan Edy Widodo Ema Utami Eva Putriany Fadilla, Rizqi Mirza Fahma Inti Ilmawati Firdaus, M. Haikal Ghifari, Dloifur Rohman Al Hadiguna Setiawan Hayaty, Mardhiya Ibnu Hadi Purwanto Karim, Hildamayanti Khairani, Fatihatul Kusrini Linggama, Muhamad Nurfaizi Lukman Lukman M. Ilham Arief M. Shahkhir Mozamir M. Ulil Albab Metha, Halifa Sekar Mohammad Suyanto Muhammad Rifa'i, Anggi Muhammad Salimy Ahsan Mulia Sulistiyono Napitupulu, Harapan Norhikmah . Nugroho, Agung Nurrizky, Akbar Nur’aini Pramudyantoro, Arvi Prasetiyanto, Ari Eka Prayoga, Dimas Putriany, Eva Quratul Ain Ramdhani, Mohamad Dhicy Rianansyah, Anggit Rifai, Anggi Muhammad Rosmantyo, Windhy Rokhmat Rusdi Rahman, Muhammad Selvi Marcellia Silvi Agustanti Bambang Slameto, Andika Agus Subandono, Anelta Tirta Putri Sukoco Sukoco Supriadi, Oki Akbar Suryono, Wachid Daga Suyanto, M Tikasni, Elisa Triesa Wea, Engel Bertus Turmudi Zy, Ahmad Wijaya, Adrianto Mahendra Wiwik Handayani Zakaria Zakaria zakinah, annisa gatri Zuhri, Muhammad Rafli Zulpan Hadi