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OKTAL : Jurnal Ilmu Komputer dan Sains
Published by CV. Multi Kreasi Media
ISSN : -     EISSN : 28282442     DOI : -
Core Subject : Science, Social, Engineering,
Astronomy Chemistry Computer Science & IT Electrical & Electronics Engineering Social Sciences
1. Komputasi Lunak, 2. Sistem Cerdas Terdistribusi, Manajemen Basis Data, dan Pengambilan Informasi, 3. Komputasi evolusioner dan komputasi DNA/seluler/molekuler, 4. Deteksi kesalahan, 5. Sistem Energi Hijau dan Terbarukan, 6. Antarmuka Manusia, 7. Interaksi Manusia-Komputer, 8. Hibrida dan Algoritma Terdistribusi Pemrosesan Informasi Manusia, 9. Komputasi Berkinerja Tinggi, 10. Penyimpanan informasi, 11. Keamanan, integritas, privasi, dan kepercayaan, 12. Pemrosesan Sinyal Gambar dan Ucapan, 13. Sistem Berbasis Pengetahuan, 14. Jaringan Pengetahuan, 15. Multimedia dan Aplikasi, 16. Sistem Kontrol Jaringan, 17. Klasifikasi Pola Pemrosesan Bahasa Alami, 18. Pengenalan dan sintesis ucapan, 19. Kecerdasan Robot, 20. Analisis Kekokohan, 21. Kecerdasan Sosial, 22. Statistic 23. Komputasi grid dan kinerja tinggi, 24. Realitas Virtual dalam Aplikasi Rekayasa, 25. Intelijen Web dan Seluler, 26. Data Besar, 27. Manajemen Informatika, 28. Sistem Informasi, 29. Desain Permainan, 30. Sistem Multimedia, 31. Pemrosesan Gambar, 32. IOT 33. Pemrograman Seluler, 34. Desain Basis Data, 35. Pemrograman Jaringan, 36. Sistem Terdistribusi, 37. Sistem Pendukung Keputusan, 38. Sistem Pakar, 39. Kriptografi, 40. Model dan Simulasi, 41. Jaringan 42. Perhitungan 43. Metematika 44. Kimia 45. Teknik Elektro 46. Robotik 47. Fisika
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 1,159 Documents
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Rancang Bangun Sistem Smart Home Berbasis Iot Untuk Monitoring Dan Pengendalian Energi Listrik Dina Astrit Aisyah Febrianti; Ahmad Mizan; Kezia Tabita Amitakasih
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 4 No 11 (2025): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

The Internet of Things (IoT) has become one of the most widely used technologies to support energy efficiency in households. This research presents the development of an IoT-based smart home system designed to monitor and control electricity usage in real time. The system utilizes a NodeMCU ESP8266 microcontroller integrated with current and voltage sensors to measure power consumption from household appliances. All data are transmitted via a Wi-Fi network to an IoT platform and displayed through a web-based interface, allowing users to control and monitor electrical activity remotely. The experimental results show that the system achieved up to 96% accuracy in displaying energy usage data and provided automatic alerts when the power load exceeded the set threshold. The implementation of this system improved household energy efficiency by approximately 18%, proving that IoT integration in smart homes can serve as an effective solution for smarter and more efficient electricity management.
Sistem Informasi Penjualan Berbasis Web Dengan Metode Prototype (Studi Kasus : Toko Raya Collection) Rangga Cahya Gumilang; Indra Cahya Firdaus
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 4 No 11 (2025): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

Raya Collection is a micro, small, and medium enterprise (MSME) in the fashion sector that still relies on conventional sales practices, including manual transaction recording and promotion limited to Instagram. These conditions result in low operational efficiency and inadequate delivery of product information to customers. This study aims to design and develop a web-based sales information system to enhance the effectiveness of the business processes. The prototype method was applied to facilitate iterative development and direct evaluation with users throughout the system design stages. The system was developed using PHP as the primary programming language and MySQL as the database management system, supported by tools such as XAMPP, Visual Studio Code, and Visual Paradigm. The evaluation results indicate that the system improves transaction efficiency, expands marketing reach, and provides customers with easier access to product information and online purchasing services. Overall, the proposed system demonstrates greater effectiveness compared to the previous manual sales procedures used by the enterprise.
Analisis Mood Mahasiswa dalam Satu Minggu Menggunakan Statistik Deskriptif dan Korelasi Spearman Nurhayati; Regina Ramadhani; Risma Nur Indriyani; Perani Rosyani
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 4 No 12 (2025): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

This study aims to analyze fluctuations in student mood over the course of one week and to identify factors associated with these changes using descriptive statistics and Spearman correlation. A total of 49 students from the Informatics Engineering program were selected using the Slovin formula. Data were collected through a daily questionnaire measuring mood, energy level, sleep quality, mood-influencing factors, and the impact of mood on learning concentration. Descriptive results indicate that student mood varies throughout the week, with the lowest level occurring on Monday and the highest on Saturday. Spearman correlation analysis reveals a strong and significant positive relationship between mood and both energy level (ρ = 0.558) and learning concentration (ρ = 0.560). In contrast, sleep quality shows a weak and non-significant relationship with mood. These findings indicate that internal conditions such as energy and concentration have a greater influence on daily mood than sleep quality. The study provides valuable insights into students’ emotional dynamics and highlights key factors that may support academic well-being.
Implementasi Metode Extreme Progamming pada Aplikasi Food Market yang Sudah Terintegrasi dengan API dan Gateway Pembayaran Midtrans (Studi Kasus: Dad’s Bakery) Faizal Alfarizi; Feri Agus Sianipar
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 4 No 12 (2025): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

Along with the rapid growth of more and more technological developments and the convenience that people get in meeting their daily needs including their needs when transacting, almost 90% of people in Indonesia are more interested in making transactions from industry to technology-based finance, this allows users to make transactions anytime anywhere safely that has been provided and facilitated payments based on midtrans and payment gateways, Midtrans as a payment gateway service that offers payment solutions where most of its products are related to technical matters, making technical documentation one of the most important components in Midtrans. In the case of this research, the author conducted research at the Dad's Bakery shop which is engaged in the food sector which is a cake shop as well as a coffee shop that is still developing, which is located in BSD, South Tangerang City.
Pengembangan Website Bus Listrik Medan dengan Fitur Pengaduan dan Jadwal Keberangkatan Menggunakan Metode Prototype Amira Salsabila; Muhammad Irwan Padli Nasution
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 5 No 01 (2026): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

The unstructured provision of schedule information and places to submit complaints in public transportation is often a major problem for passenger satisfaction. The purpose of this research is to create an easy-to-use website-based information system regarding schedules and complaints for Medan Electric Buses. The method used in the development is the Prototype Method, which focuses on gradual improvements and rapid user assessments to ensure all requirements are functioning properly. The development process consists of several stages, starting from determining needs, designing the system (using UML), building a prototype, to starting (Customer Evaluation). The results of the implementation of the main features Departure Schedule and Complaint Form show that this system has been operating according to the predetermined plan.
Pengembangan Sistem Presensi Online Berbasis Web Dengan Validasi Lokasi Menggunakan GPS dan Haversine Formula Desi Anita; Rahmawati
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 4 No 12 (2025): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

Effective employee attendance management is essential for improving productivity and human resource governance. PT. Bravo Sekuriti Indonesia still uses a manual attendance method through signatures on attendance forms, which is considered inefficient and prone to recording errors. This study develops a Web-Based Online Attendance System with location validation using GPS and the Haversine Algorithm to ensure that employees can only record attendance within a predetermined radius. The system is also equipped with online leave, permission, and sick-leave submission features with a digital approval workflow. The test results show that the system performs well, reduces data manipulation, and improves administrative efficiency. The System Usability Scale (SUS) score of 85.83 indicates that the system is easy to use and well accepted by users.
Pengembangan Platform Digital Komunitas Alumni Universitas Al-Azhar Berbasis Web Menggunakan Nextjs dan Prisma ORM Rendyka Purnama; Wasis Haryono
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 4 No 12 (2025): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

This report presents the development of a web-based digital platform for the alumni community of Al-Azhar University using Next.js and Prisma ORM. The project addresses the lack of an official, centralized channel for alumni data management, communication, and professional networking, which has relied on unstructured social media. The objective is to design and implement a system that facilitates alumni connections, centralizes alumni records, and provides professional features such as discussion forums, profile management, and an administrative dashboard. The methodology includes observation and interviews, system design (use cases, database schema, and UI mockups), and implementation using Next.js for an integrated frontend-backend architecture and Prisma ORM with PostgreSQL for data management. Delivered components include a landing page, admin dashboard, user dashboard, and a Campus Space module for topic-based discussions. Findings indicate the platform improves alumni connectivity and streamlines institutional data management. Recommended next steps include developing a mobile version and further optimizing topic features for performance and usability.
Analisis Perancangan Sistem Informasi Reimbursement Transport Berbasis Web Dengan Metode Scrum di Kampus Al Azhar Serpong Aurellia Prima Agustin; Annisya Walya Doifa; Muhamad Pramuditha; Samso Supriyatna
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 4 No 12 (2025): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

The transportation reimbursement process at Al Azhar Serpong Campus is still carried out manually through the completion of transport request forms and the submission of physical supporting documents. This manual procedure has the potential to cause errors in data recording, the risk of losing submitted expense proofs, and requires considerable time during documentation and verification. These conditions lead to an administrative process that is inefficient and not well integrated. This study aims to analyze user needs and design a web-based transportation reimbursement information system that improves efficiency, accuracy, and transparency in the submission, verification, and reporting processes. The research applies the Scrum method, which includes preparing the Product Backlog, conducting Sprint Planning, developing design iterations, carrying out Sprint Reviews to validate designs with users, and performing Sprint Retrospectives to refine the system. The results of this study include a system design represented through UML modeling and user interface prototypes tailored to user needs based on feedback from each Sprint cycle. The proposed system design is expected to improve the reimbursement workflow, reduce administrative errors, accelerate the verification process, and support automatic and structured reporting. Furthermore, the design serves as a foundation for the development of a fully implemented web-based application in future stages.
Persepsi UMKM Terhadap Risiko Penipuan QRIS dan Strategi Pengamanannya Farrel Daffa Kamal; Putra Adi Wijaya; Risma Anggreani
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 4 No 12 (2025): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

QRIS (Quick Response Code Indonesian Standard) has become a popular digital payment method among MSMEs due to its ease and speed of transactions. However, the increasing use of QRIS is also accompanied by the risk of digital fraud, such as fake QRIS, phishing links, and code substitution by irresponsible parties. This study aims to understand MSMEs' perceptions of the risk of QRIS fraud and the security strategies they implement. The study used a qualitative phenomenological approach through in-depth interviews, observation, and documentation of culinary MSMEs in Tangerang and Bogor. The results show that MSMEs' risk perceptions vary according to experience and digital literacy, and the level of risk awareness is related to the implementation of security strategies, ranging from QR code verification, the use of secure devices, internal training, to the use of additional security features such as OTP and encryption. Consistently implemented security strategies are perceived to be able to reduce potential risk of loss, increase security, and maintain customer trust. These findings confirm the close relationship between risk perception and mitigation measures and provide practical recommendations to support the safe and sustainable use of QRIS for MSMEs.
Rekomendasi Fashion Menggunakan Content-Based Filtering dengan Integrasi Fitur Visual Dan Tekstual Gunawan Wibisono; Fiyado Yudha Witama; Muhammad Gifary Nezar; Perani Rosyani
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 4 No 12 (2025): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

The growth of fashion e-commerce leads to information overload for users. Traditional collaborative filtering-based recommendation systems often face cold-start problems. This study aims to develop a content-based fashion recommendation system that integrates visual and textual features without relying on user historical data. The proposed hybrid approach combines visual feature extraction using Convolutional Neural Network (VGG16) and textual feature extraction using Term Frequency-Inverse Document Frequency (TF-IDF). The Fashion Product Images dataset was modified from 44,400 to 5,000 samples through stratified sampling for computational efficiency. Experimental results show that the hybrid system with 60% visual and 40% textual weights achieved the best performance: Precision@5 of 78%, Recall@5 of 65%, and Accuracy@5 of 88%. The system's response time of 0.82 seconds meets real-time application criteria. Dataset reduction only decreased accuracy by 0.4% from the full dataset, but reduced training time by 82% and memory usage by 75%. This research proves that multimodal integration in content-based systems can produce relevant, personalized, and computationally efficient fashion recommendations.

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