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Bulletin of Computer Science Research
Published by Forum Kerjasama Pendidikan TInggi
ISSN : -     EISSN : 27743659     DOI : -
Core Subject : Science,
Computer Science & IT
Bulletin of Computer Science Research covers the whole spectrum of Computer Science, which includes, but is not limited to : • Artificial Immune Systems, Ant Colonies, and Swarm Intelligence • Bayesian Networks and Probabilistic Reasoning • Biologically Inspired Intelligence • Brain-Computer Interfacing • Business Intelligence • Chaos theory and intelligent control systems • Clustering and Data Analysis • Complex Systems and Applications • Computational Intelligence and Soft Computing • Distributed Intelligent Systems • Database Management and Information Retrieval • Evolutionary computation and DNA/cellular/molecular computing • Expert Systems • Fault detection, Fault analysis, and Diagnostics • Fusion of Neural Networks and Fuzzy Systems • Green and Renewable Energy Systems • Human Interface, Human-Computer Interaction, Human Information Processing • Hybrid and Distributed Algorithms • High-Performance Computing • Information storage, security, integrity, privacy, and trust • Image and Speech Signal Processing • Knowledge-Based Systems, Knowledge Networks • Knowledge discovery and ontology engineering • Machine Learning, Reinforcement Learning • Networked Control Systems • Neural Networks and Applications • Natural Language Processing • Optimization and Decision Making • Pattern Classification, Recognition, speech recognition, and synthesis • Robotic Intelligence • Rough sets and granular computing • Robustness Analysis • Self-Organizing Systems • Social Intelligence • Soft computing in P2P, Grid, Cloud and Internet Computing Technologies • Support Vector Machines • Ubiquitous, grid and high-performance computing • Virtual Reality in Engineering Applications • Web and mobile Intelligence, and Big Data • Cryptography • Model and Simulation • Image Processing
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 462 Documents
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An Agile-Scrum Approach to Enhancing Urban Transit through a Mobile-Based Motorcycle Parking System with OCR Integration Abadi Suryo Setiyo; Ana Kurniawati
Bulletin of Computer Science Research Vol. 6 No. 4 (2026): June 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v6i4.1103

Abstract

This study discusses the development of a mobile-based motorcycle storage application using the Agile Scrum method in the 359 Parking service in the Pondok Cina Station area. The application was developed to help manage vehicle storage digitally through storage location search features, vehicle reservations, and vehicle identification using Optical Character Recognition (OCR) technology. The system is built using Flutter and Firebase with the implementation of Google ML Kit OCR to help with the automatic scanning of vehicle license plates. Data collection was carried out through literature studies, interviews, and numerical scale forms on customers and motorcycle storage managers. System testing is carried out using the Black Box Testing method on the main features of the application. The test results show that the login, reservation, location search, and vehicle license plate scanning features can run according to the functional needs of the system. The implementation of OCR also helps reduce the manual recording process of vehicles, especially in adequate lighting conditions. In addition, user evaluation results show that the app helps simplify the process of finding a storage location and managing a vehicle. This study shows that the application of mobile technology, location services, and OCR can support the digitization of motorcycle storage services to be more effective and integrated.
User Experience Evaluation of the SEKAWAN V3 Website Using the User Experience Questionnaire (UEQ) A'rafi Laksmana Dirgantara; Chanifah Indah Ratnasari
Bulletin of Computer Science Research Vol. 6 No. 4 (2026): June 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v6i4.1104

Abstract

The SEKAWAN V3 website is used as a thesis management system in the Informatics Study Program at Universitas Islam Indonesia. However, preliminary observations indicate usability issues affecting user interaction. This study aims to assess the user experience of SEKAWAN V3 and analyze the impact of a UI/UX redesign based on user feedback. The study applies the User Experience Questionnaire (UEQ) supported by open-ended responses. A total of 23 participants were involved, with 17 valid responses in the initial evaluation and 22 valid responses in the re-evaluation after data consistency filtering. The initial results reveal issues related to navigation clarity, feature understanding, and interface structure. Based on these findings, a redesigned prototype was developed and evaluated. The results indicate improvements across all UEQ dimensions, particularly in stimulation, attractiveness, and perspicuity, suggesting better engagement, visual appeal, and ease of use. Qualitative findings support these results, showing that users perceive the system as clearer, more structured, and more intuitive. This study demonstrates that combining quantitative and qualitative approaches can support data-driven improvements in system design.
Simulasi dan Uji Fungsional Dashboard Monitoring Kualitas Air Kolam Ikan Berbasis MQTT Anjelita Trully Carolina Losung; Riyandy Kumalaka; Yuscar Agsbastian; Maureen Langie; Marike Kondoj
Bulletin of Computer Science Research Vol. 6 No. 4 (2026): June 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v6i4.1108

Abstract

Water quality plays a crucial role in fish farming because changes in pH, temperature, water content, turbidity, and total dissolved solids (TDS) can affect the condition and health of fish. Manual monitoring still has limitations because data is not available continuously, and early warnings are difficult to provide when water conditions begin to exceed safe limits. This study aims to develop and functionally test an Internet of Things (IoT)-based fish pond water quality monitoring dashboard using the MQTT protocol. Testing was conducted in a simulated environment to evaluate data transmission, data storage, dashboard visualization, status classification, and alert logging. Test results show that the system is capable of receiving and storing 204 sensor data records and generating 248 alert data entries in the `alert_log` table. The dashboard successfully displays the statuses NORMAL, WARNING, DANGER, and CRITICAL in accordance with the defined threshold rules. This research contributes to the development of an initial prototype of a simulation-based water quality monitoring system that can be used to verify data flow integration and dashboard responses before implementation on real devices. This research is not intended as a validation of physical sensors or an evaluation of field network performance, but rather as an initial test of the simulation system’s functionality.
Implementasi Sistem Informasi Nilai Akademik dan Raport Berbasis Web Menggunakan Metode Object Oriented Analysis and Design Subarkah Abdullah; Abdurrahman Harits
Bulletin of Computer Science Research Vol. 6 No. 4 (2026): June 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v6i4.1114

Abstract

Managing academic grade data and creating report cards are crucial activities in educational administration, but the current process is still carried out conventionally using spreadsheet applications. This method of working causes various problems such as long processing time, high risk of calculation errors, and difficulties in storing and tracking historical data. This study aims to design, build, and implement a web-based information system that is able to automate grade processing and report card creation to be faster, more accurate, and more integrated. The method applied in developing this system is Object Oriented Analysis and Design (OOAD) with modeling using the Unified Modeling Language (UML), and implementation using the PHP programming language and MySQL database. The main contribution of this research lies in the development of a web-based academic information system specifically designed to meet the characteristics of vocational high school administration, by applying the Object-Oriented Analysis and Design (OOAD) approach and structured UML modeling. The resulting system not only automates grade processing and report card printing, but also provides a modular, integrated, and easily developed software architecture to support the ongoing digitalization of educational administration.
Perancangan Backend Portal Informasi Komite Olahraga Nasional Indonesia Denpasar Berbasis MVC Hisyam Akmal Maulana; Pratomo Setiaji
Bulletin of Computer Science Research Vol. 6 No. 4 (2026): June 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v6i4.1118

Abstract

The rapid development of information technology has encouraged many organizations to implement website-based information systems to improve the effectiveness of data management and digital information distribution. KONI Denpasar, as an organization engaged in regional sports development, requires a backend system capable of supporting integrated information management because the previous data management process was still carried out conventionally and was not centralized. This condition caused the dissemination of organizational information to become less optimal and made administrative processes and long-term system development more difficult. Several previous studies have discussed the development of systems using the CodeIgniter framework; however, most of these studies focused on academic systems, administrative services, and sales systems, while research related to backend information portals for sports organizations remains limited. Therefore, this study aims to design and develop a website-based backend information portal for KONI Denpasar using the CodeIgniter 4 framework with the Model View Controller (MVC) architectural approach. The system development method applied in this research is the Systems Development Life Cycle (SDLC) using the Waterfall model, which consists of requirements analysis, system design, implementation, testing, and maintenance stages. The developed backend system includes features for managing news, event agendas, documentation galleries, user data, and administrator access rights to support more structured information management. System testing was conducted using the Black Box Testing method to ensure that all features functioned according to user requirements. The results of this study indicate that the backend information portal for KONI Denpasar was successfully developed and that all system features operated properly based on the testing results. This research contributes to the development of an integrated MVC-based backend information portal for sports organizations that can support information management in a more effective, structured, and easily maintainable manner in the future.
Clustering State Electricity Company (PLN) Customer Electricity Consumption Patterns Using K-Means for Operational Efficiency Anang Putranto; Imam Much Ibnu Subroto; Arief Marwanto
Bulletin of Computer Science Research Vol. 6 No. 4 (2026): June 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v6i4.1119

Abstract

Electricity consumption patterns among PLN customers show diverse characteristics that require data-driven analysis to support accurate operational planning and service strategies. Differences in installed power, operating hours, and electricity usage intensity can indicate variations in customer behavior, load demand, and service needs. This study aims to analyze electricity consumption patterns of PLN customers in the South Semarang area using the K-Means Clustering method. The dataset consists of 6,622 active customers, with variables including installed power, operating hours, and average electricity consumption over the last eight months. The research stages include identifying the need for consumption pattern analysis, preparing data, cleaning incomplete or inconsistent values, normalizing variables, modeling with K-Means, and interpreting cluster results. The optimal number of clusters was determined using the Elbow Method and Silhouette Score to ensure meaningful grouping and good separation quality. The results show that the optimal number of clusters is three. The first cluster represents low consumption patterns with 1,881 customers (28.4%). The second cluster represents medium consumption patterns with 2,927 customers (44.2%). The third cluster represents high consumption patterns with 1,814 customers (27.4%). The WCSS value of 498.67 and Silhouette Score of 0.68 indicate good clustering performance and practical usefulness for decision-making by PLN in service quality improvement.
Innovation in Digital Thesis Supervision Systems Using the Design Thingking Method Anggreyni Cristine Putricia Br. Surbakti; Vika Oktaviani Silaen; Evta Indra
Bulletin of Computer Science Research Vol. 6 No. 4 (2026): June 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v6i4.1138

Abstract

The thesis supervision process represents a critical academic milestone for undergraduate students; however, in many Indonesian higher education institutions, it continues to operate conventionally and inefficiently due to fragmented communication, unstructured revision management, and a lack of organized inter-session support. This study designs and evaluates the BimbOl mobile application prototype as a digital thesis supervision support system using the Design Thinking methodology through five sequential stages: empathize, define, ideate, prototype, and test. A preliminary survey of 57 respondents (45 students and 12 lecturers) identified four dominant barriers: difficulty in scheduling coordination (73.1% of students), unstructured revision management (57.8% of students), absence of proactive notifications (57.9% of students), and loss of inter-session discussion context (53.3% of students). The BimbOl prototype integrates six core features across 30 interactive screens, encompassing collaborative scheduling, digital revision markup, automated notifications, a progress dashboard, structured revision history, and a four-mode AI Consultation feature as an independent inter-session support tool not found in comparable systems. Usability evaluation using the System Usability Scale (SUS) involved 15 respondents (12 students and 3 lecturers) and yielded a combined score of 80.8, surpassing the Grade A threshold (80.3), confirming Excellent/Acceptable usability. The mean student score of 77.9 (Good/Acceptable) and the mean lecturer score of 90.0 (Excellent/Best Imaginable) confirm that the design is effective across both user groups. Unlike prior studies that addressed thesis supervision digitalization through isolated features or interface-level redesigns, this study contributes a unified, human-centered mobile supervision ecosystem that simultaneously resolves scheduling, revision tracking, notification, and AI-assisted inter-session consultation, a combination not previously documented in the Indonesian higher education context, thereby providing an empirical and design foundation for next-generation thesis supervision systems.
Implementasi Sistem Informasi Pengaduan Siswa Berbasis Web dengan Pemantauan Service Level Agreement Zakhi Febriyan; Sri Surmalinda; Eko Purwanto
Bulletin of Computer Science Research Vol. 6 No. 4 (2026): June 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v6i4.1180

Abstract

A student complaint system serves as a school service channel allowing students to submit grievances, criticisms, and reports regarding activities and services within the school environment. Complaint management at SMK IPTEK Weru, Sukoharjo Regency, currently lacks digital system support; consequently, report logging is disorganized, resolution processes are time-consuming, and follow-up monitoring is suboptimal. This research aims to design and develop a web-based Student Complaint Information System to provide a more organized and integrated solution for complaint management. The system was built using the Waterfall approach, implemented in stages ranging from requirements identification, design, and application development to functional testing and system maintenance. Research data derived from direct observation, interviews, and literature reviews served as the foundation for system development. The system utilizes Laravel as the application framework and MySQL for data storage. Black-box testing was conducted to ensure that every function operates according to requirements. A key contribution of this research is the implementation of a Service Level Agreement (SLA) feature within the web-based system, enabling the school to monitor the timeliness of complaint resolution in a more structured manner. Results indicate that core features such as login, complaint submission, data management, status monitoring, and report generation function as designed. Meanwhile, User Acceptance Testing (UAT) yielded an acceptance score of 85.00%, placing it in the "Very Good" category. These results demonstrate that the developed system enhances the effectiveness of the complaint process, accelerates report handling, and facilitates complaint management for students, staff, and administrators at SMK IPTEK Weru, Sukoharjo Regency.
Redesign UI/UX Website Menabung.id Menggunakan Metode User Centered Design dengan Evaluasi UX Sirojul Munir; Syaffa Mufidah; Shelly Pramudiawardani; Muchamad Zainuri; Hanna Anggraini
Bulletin of Computer Science Research Vol. 6 No. 4 (2026): June 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v6i4.1184

Abstract

The use of Menabung.id as a digital platform to record and monitor student savings in schools revealed limitations in both the user interface and user experience. Less intuitive navigation, inconsistent visual presentation, and suboptimal information display created obstacles for teachers and students in utilizing the system effectively. This situation highlighted the urgency of redesigning the UI/UX to make user interactions more comfortable, efficient, and effective, thereby achieving the goals of digitalizing administration and improving financial literacy. This study aimed to redesign the UI/UX of Menabung.id using the User-Centered Design (UCD) approach, placing users at the center of all design stages, including requirement analysis, prototype development, and evaluation. An interactive prototype was developed using Figma, and usability testing was conducted using the System Usability Scale (SUS) and Single Ease Question (SEQ) to measure system effectiveness and ease of use. The results indicated that the UCD-based redesign improved interface quality and user experience. SUS scores reached 81,3 for teachers and 82.5 for students, categorised as Excellent, while SEQ scores were 5.96 and 5.81, indicating a high level of task completion ease. These improvements included teacher and student dashboards, transaction history, savings schedules, real-time notifications, and an interactive chatbot. The findings demonstrated that user-centered design effectively enhanced usability and user satisfaction. Further research can complement the evaluation with eye-tracking or A/B testing methods and develop the system for mobile platforms to increase user accessibility.
Pengembangan Chatbot Customer Service dengan Retrieval-Augmented Generation pada Usaha Mikro Kecil Menengah KampusMadu Ahmad Zakky Zamani; Novi Tristanti
Bulletin of Computer Science Research Vol. 6 No. 4 (2026): June 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v6i4.1185

Abstract

Customer service in Micro, Small, and Medium Enterprises (MSMEs) is generally still conducted manually, resulting in delayed responses, inconsistent information, and high operational workload. This study aims to develop and evaluate a customer service chatbot based on Large Language Model using the Retrieval-Augmented Generation (RAG) method as an automation solution for customer service at KampusMadu MSME. The system was developed using an adaptive Waterfall approach encompassing requirements analysis, design, implementation, and testing stages. Testing was conducted through three approaches: functional testing using Black Box Testing method, retrieval accuracy testing using Precision@3, Recall@3, and Hit Rate@3 metrics, and usability testing using the System Usability Scale (SUS) involving 10 respondents. The test results show that all system functions operate as required, with average Precision@3 of 63.3%, Recall@3 of 72.5%, and Hit Rate@3 of 100%. The SUS score obtained was 69.75 (category "OK"), indicating that the system is reasonably acceptable to users. The chatbot system was successfully integrated into the KampusMadu website as an interactive widget directly accessible to customers. This study demonstrates that the application of RAG in MSME chatbots can effectively support the automation of customer service in a more responsive, informative, and contextual manner.

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