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All Journal bit-Tech Teknik: Jurnal Ilmu Teknik dan Informatika Kharisma Tech Jurnal Ilmiah Betrik : Besemah Teknologi Informasi dan Komputer
Muhammad Iqbal Fahrezzi
Universitas Negeri Medan
Computer Science & IT Engineering

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StudentSphere: Development of a Digital Gallery Platform for Publishing and Exploring Student Work Muhammad Iqbal Fahrezzi; Khairany Zuhriyyah Jinan Hsb; Augis Dinanti; Debi Yandra Niska
bit-Tech Vol. 8 No. 2 (2025): bit-Tech
Publisher : Komunitas Dosen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32877/bt.v8i2.3276

Abstract

StudentSphere is a digital gallery platform designed to enhance the visibility, accessibility, and academic value of student works in higher education. Recent studies show that universities in Indonesia lack centralized and user-friendly systems for showcasing academic outputs, leading to low discoverability and limited recognition of student achievements. This research aims to develop and evaluate StudentSphere as an institutional-level solution that provides structured publication workflows, efficient search mechanisms, and lecturer–student academic profiling. The platform was built using Laravel 10 and MySQL 8, supported by Tailwind CSS and Alpine.js for lightweight interaction, and evaluated through a multi-phase usability study. The research employed iterative Agile development, involving 57 participants (45 students and 12 lecturers) across five evaluation cycles including surveys, interviews, usability tests, and user acceptance testing. Results show strong usability with a System Usability Scale (SUS) score of 79.8, a task completion rate of 93%, and a satisfaction score of 4.25/5. Load testing also demonstrated stable performance for up to 200 concurrent users. Practical implications include improved academic visibility, streamlined work submission, and enhanced lecturer access to student achievements. However, limitations remain in institutional authentication and real-time engagement features. The study concludes that StudentSphere meets its intended goals, though future development should prioritize SSO integration, analytics, and real-time notifications to strengthen scalability and interoperability.
Perbandingan Algoritma Greedy dan Dynamic Programming pada Penyelesaian Knapsack Problem untuk Optimasi Pemilihan Barang Khairany Zuhriyyah Jinan Hsb; Augis Dinanti; Muhammad Iqbal fahrezzi; Arion Pardede; Adidtya Perdana
Teknik: Jurnal Ilmu Teknik dan Informatika Vol. 6 No. 1 (2026): Mei : Teknik: Jurnal Ilmu Teknik dan Informatika
Publisher : LPPM Sekolah Tinggi Ilmu Ekonomi - Studi Ekonomi Modern

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/teknik.v6i1.1127

Abstract

Optimization problems in computer science often arise when a system must select the best combination from several alternatives under limited resources such as capacity, time, or cost. One commonly used optimization model is the Knapsack Problem, which involves selecting a number of items with specific weights and values to obtain the maximum profit without exceeding the available capacity. This study aims to analyze and compare the performance of the Greedy algorithm and Dynamic Programming in solving the 0–1 Knapsack Problem. The research employs a quantitative experimental approach by implementing both algorithms in a computer program and testing them on several datasets with different sizes. The evaluation parameters include the maximum value obtained and the algorithm execution time. The results show that the Greedy algorithm has faster execution time and more efficient memory usage, but it does not always produce an optimal solution. In contrast, the Dynamic Programming algorithm consistently produces an optimal solution, although it requires greater computational time. Therefore, the choice of algorithm should be adjusted to system requirements, whether prioritizing computational efficiency or optimal solution quality.
Sentralisasi Manajemen Multi-Router MikroTik Berbasis Web Melalui REST API pada Lingkungan Virtualisasi Azril Arfansyah; Dedy Kiswanto; Muhammad Iqbal Fahrezzi; Arion Pardede
BETRIK Vol. 17 No. 02 (2026): Jurnal Ilmiah BETRIK : Besemah Teknologi Informasi dan Komputer
Publisher : PPPM Institut Teknologi Pagar Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36050/z6vfkq27

Abstract

Conventional management of MikroTik-based network infrastructure still relies on desktop-bound applications such as Winbox and Command Line Interface (CLI) that require per-device manual configuration, causing operational inefficiencies and the inability to provide centralized real-time visibility. This study develops a web-based Network Management System (NMS) leveraging the built-in REST API of MikroTik RouterOS version 7 to automate and centralize the configuration and monitoring of multiple routers within a single dashboard. The system is built on a three-tier architecture: a React 19-based frontend with Vite bundler, a Node.js and Express.js-based backend proxy, and an SQLite database layer. Evaluation was conducted in two stages: Black Box Testing for module functionality validation, and quantitative performance testing covering API endpoint response times, concurrent throughput, and multi-router scalability simulation. Results indicate that all 17 main API endpoints respond with an average time of 18.69 ms and a request success rate of 100% out of 1,404 total requests, with a communication failure rate of 0.00%. Scalability tests with 1 to 30 routers demonstrate sub-linear time growth through parallel and asynchronous execution mechanisms, with a total processing time of 185.98 ms for 30 simultaneous routers and a parallelization efficiency of 2.92x. The primary contribution of this study is the empirical demonstration that a Node.js proxy architecture exploiting RouterOS v7 REST API effectively scales multi-router configuration operations with measurable efficiency, while simultaneously integrating WireGuard VPN automation with server-side cryptographic management in a single platform.
Web-Based Real-Time Object Detection System with Audio Output for the Visually Impaired Muhammad Iqbal Fahrezzi; Azril Arfansyah; Augis Dinanti; Khairany Zuhriyyah Jinan Hsb; Hermawan Syahputra
KHARISMA Tech Vol 21 No 2 (2026): KHARISMATech Journal
Publisher : STMIK KHARISMA Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55645/kharismatech.v21i2.702

Abstract

Limited access to visual information is a major problem faced by visually impaired individuals, making it difficult to recognize surrounding objects and identify currency denominations independently. This issue highlights the need for a system capable of presenting visual information in a more accessible form. Therefore, this study aimed to develop a real-time object detection system based on a web platform with audio output to improve accessibility. The method included requirement analysis, system design, implementation using digital image processing and deep learning techniques, and system testing. The model applied a detection confidence threshold of ≥ 70% and achieved recognition accuracy of ≥ 85% under normal conditions. The system was also integrated with text-to-speech technology to deliver detection results in audio form. The results indicated that the system operated effectively in real-time with good responsiveness through a web browser without requiring additional installation. Therefore, the developed system proved capable of enhancing accessibility and supporting the independence of visually impaired users.
Co-Authors Adidtya Perdana, Adidtya Arion Pardede Augis Dinanti Augis Dinanti Azril Arfansyah Dedy Kiswanto Hermawan Syahputra Khairany Zuhriyyah Jinan Hsb Niska, Debi Yandra