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Tri A. Sundara
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The Indonesian Journal of Computer Science
Published by STMIK Indonesia Padang
ISSN : 25497286     EISSN : 25497286     DOI : https://doi.org/10.33022
Core Subject : Science, Engineering,
Computer Science & IT Electrical & Electronics Engineering Engineering
The Indonesian Journal of Computer Science (IJCS) is a bimonthly peer-reviewed journal published by AI Society and STMIK Indonesia. IJCS editions will be published at the end of February, April, June, August, October and December. The scope of IJCS includes general computer science, information system, information technology, artificial intelligence, big data, industrial revolution 4.0, and general engineering. The articles will be published in English and Bahasa Indonesia.
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 1,114 Documents
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Optimization by Nature: A Review of Genetic Algorithm Techniques Waysi, Diyar; Ahmed, Berivan Tahir; Ibrahim Mahmood Ibrahim
The Indonesian Journal of Computer Science Vol. 14 No. 1 (2025): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v14i1.4596

Abstract

The Genetic Algorithm (GA) is a technique that uses the selection principle of genetics to optimize the search tool for challenging issues. It is used for research and development as well as machine learning in addition to optimization, the purpose of this literature review is to determine the current state of research on the use and applications of genetic algorithms (GAs) for optimization across a range of sectors. Natural selection and biological evolution serve as the foundation for genetic algorithms (GAs), which replicate solutions through crossover, mutation, and selection. The review accentuates the diversity and universality of GAs in solving numerous complex problems such as path finding, image analytics and data referral systems. It examines the effectiveness of GAs in solving optimization problems as compared to other methods and focuses on GAs efficient properties in searching large and chaotic solution spaces. The results indicate that GAs can be considered as a strong result-oriented tool to further improve the machine learning and artificial intelligence operability.
Evaluasi dan Rekomendasi Implementasi Kanban Menggunakan Scaling Agile Berdasarkan CMMI 2: Studi Kasus PT XYZ Muhammad Hezby Al Haq; Purwandari, Betty; Ferdinansyah, Alex
The Indonesian Journal of Computer Science Vol. 14 No. 1 (2025): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v14i1.4602

Abstract

PT XYZ is financial technology company and operates in Southeast Asia. PT XYZ uses Kanban with more than 300 product and engineering employees with more than 20 teams. There are problems in software development, such as non standards in large scale Kanban practices used, communication between teams and dependencies between teams. Scaling Agile based on CMMI is a method that can be used to help identify problems in large-scale software companies where team-level Agile alone is not enough. The study discusses the evaluation of Kanban implementation at PT XYZ and recommendations for improving the software development process using Scaling Agile based on CMMI 2. The research uses qualitative data where interviews were conducted with Product Owners, Engineering Managers and Software Engineers. The results of the interviews were processed using the Key Process Area (KPA) rating. Finally, investigation produced 10 recommendations for the implementation of Kanban at PT XYZ.
Analisis Kepuasan Pengguna Aplikasi iRiau Menggunakan Metode EUCS dan TAM Praniffa, Anisya Caty; Ahsyar, Tengku Khairil; Jazman, Muhammad; Syaifullah; Marsal, Arif
The Indonesian Journal of Computer Science Vol. 14 No. 1 (2025): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v14i1.4604

Abstract

iRiau is a digital platform that makes it easier for people to access the Soeman HS library. User satisfaction assessments are made to access the extent of iRiau application being relevant and effective. The study use the EUCS and TAM methods to identify factors affecting user satisfaction. The study sample involved 125 analyzed respondents using SPSS. According the research, five of the seven hypotheses tested were accepted. Variable Perceived Usefulness, Content, Accuracy, Format, and Timeliness significantly impact user satisfaction. However, variables of Perceived of Use and Ease of Use are insignificant. Variables with the most significant influences are Perceived Usefulness and Timelliness. The linar regression model produces an R-Square of 0.959, showing that such independent variables explain 95.9% of user satisfaction.
Perancangan Antarmuka dan Fitur Training Management system (TMS): Studi Kasus Divisi Corporate University PT XYZ Iswara Maharani; Oktavia Hadi Putra, Panca
The Indonesian Journal of Computer Science Vol. 14 No. 1 (2025): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v14i1.4607

Abstract

This study addresses the fragmented learning systems at PT XYZ, where separate and manually managed platforms result in inefficient training documentation. With an annual learning volume of 156,018 training hours and a rise in mandays from 9.4 (2019) to 12.8 (2023), the inefficiencies significantly impact training management. The research aims to design the interface and features of a Training Management System (TMS) for PT XYZ using a Systematic Literature Review (SLR) and a user-centered design (UCD) approach to align with user needs. A mixed-methods approach combines qualitative and quantitative techniques, including interviews, pre-questionnaires, usability tests, feedback sessions, and Subject Matter Expert inputs. Evaluation results show an average score of 4.29 out of 5, reflecting user satisfaction with the system's functionality, efficiency, and reliability. Effective implementation of the TMS is expected to improve training quality, support human resource development, and help achieve strategic corporate objectives.
Reformulation of the Vulnerability Management Cycle for Enhancing Indonesia's Critical Information Infrastructure Protection: An International Comparative Study Ulin Nuha, Muhammad Azza; Muhammad Salman; Nur Annisa Kadarwati Febriyani; Eka Hero Ramadhani
The Indonesian Journal of Computer Science Vol. 14 No. 1 (2025): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v14i1.4609

Abstract

This research conducts an analysis of vulnerability management practices in three countries— the United States, Australia, and the United Kingdom— to serve as a benchmark for the National Security Operation Center (NSOC) for protecting Critical Information Infrastructure (CII) in Indonesia. The methodology employed is a document study of standards, regulations, and publications related to vulnerability management in these three countries. The analysis results are classified into Gartner’s Cycle, producing 38 vulnerability management activities. The mapping of these activities to the CII Protection Framework in Indonesia demonstrates alignment with 35 sub-categories of the framework, resulting in a vulnerability management cycle that can be proposed to NSOC for the protection of CII in Indonesia.
Analisis Sentimen Berbasis Aspek Aplikasi Brimo berdasarkan Ulasan Pengguna di Google Playstore Azarya, Yosia; Budi, Indra
The Indonesian Journal of Computer Science Vol. 14 No. 1 (2025): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v14i1.4613

Abstract

BRI is focused through their mobile banking superapp known as BRImo. However, based on discussions with the BRImo application research team, The user reviews available on the Google Play Store application service page could be classified based on the PACMAD usability aspects and sentiment using several classification models, including Random Forest, Decision Tree, and Extreme Gradient Boosting, with TF-IDF employed as the feature extraction method. Additionally, the Random Oversampling and Synthetic Minority Oversampling Technique (SMOTE) methods were applied as supplementary treatments to address the issue of imbalanced classes in BRImo application user review data. Topic modeling was also conducted using the LDA method to identify keywords and the main discussion topics for each PACMAD usability aspect and its sentiment, resulting in clear topics that can serve as a focus for the development of the BRImo application. The research findings indicate that the XGBoost classification model, combined with the SMOTE sampling method, demonstrated the best performance in classifying PACMAD usability aspects and sentiments, achieving F1-scores of 86.55% and 89.59%, respectively. Furthermore, the key topics for each PACMAD usability aspect and their associated sentiments were identified.
Penilaian Tingkat Kematangan Sistem Pengelolaan Sampah Cerdas: Studi Kasus pada PT.XYZ Dimas Ahda Sabila; Yekti Wirani; Yudho Giri Sucahyo
The Indonesian Journal of Computer Science Vol. 14 No. 1 (2025): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v14i1.4618

Abstract

Facing increasingly complex urban waste management challenges, this study evaluates the maturity level of Smart Waste Management implementation in Indonesia, with a case study of PT. XYZ. In Indonesia, the implementation of Smart Waste Management is still in its early stages, yet its urgency continues to grow due to increasingly complex urban waste problems. The study examines Smart Waste Management System maturity levels and identifies key implementation factors, utilizing both qualitative and quantitative approaches. Assessment results indicate an average maturity level of 3-Integrated out of 5-Smart, with variations across different processes. Key areas requiring enhancement include governance, social, technological, and economic dimensions. This evaluation provides valuable insights for improving operational efficiency, environmental impact, and community service delivery in waste management. The findings contribute to understanding SWMS implementation challenges and opportunities, offering strategic recommendations for advancing sustainable waste management practices in Indonesia.
EVALUASI TINGKAT KEMATANGAN IMPLEMENTASI SCRUM BERBASIS SCRUM BODY OF KNOWLEDGE Yusuf, Andi Akram
The Indonesian Journal of Computer Science Vol. 14 No. 1 (2025): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v14i1.4619

Abstract

The banking industry’s core business involves collecting public funds and distribute them into loans. Intense competition within the banking sector demands speed in business development processes, including the development of mobile banking applications. At PT Bank XYZ, the Mobile Banking Team develops mobile banking applications by implementing the Agile methodology and adopting the Scrum framework. The choice of the Scrum framework aims to facilitate the development of small-value features that can be quickly released, thus creating significant value for users. The faster this value reaches the end users, the quicker user feedback can be gathered for further improvements. However, the implementation of Scrum has not been fully effective, as evidenced by the presence of carried-over features and feature enhancements. This research employs a mixed-method approach with an exploratory sequential design, starting with qualitative research followed by quantitative research. Qualitative data were collected through observations and interviews, while quantitative data were gathered through questionnaires. The questionnaires were developed using the Scrum Body of Knowledge (SBOK). The data were then processed using the KPA Rating method. The results indicate that the implementation is still at Level 1 (Explored). Recommendations are formulated based on SBOK and focus on achieving Level 2 (Defined) and Level 3 (Improved). Level 4 was not included in the recommendations, as mobile banking development at PT Bank XYZ has not yet reached the enterprise stage.
Perancangan Arsitektur Enterprise Untuk Digital Maritim Development Center(DMDC): Studi Kasus PT Integrasi Logistik Cipta Solusi (ILCS) Octaviani, Shella; Purwandari, Betty P; Satria, Riri; Trisnawaty, Ni Wayan
The Indonesian Journal of Computer Science Vol. 14 No. 1 (2025): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v14i1.4620

Abstract

Technological advancements in the port sector present significant challenges for the Digital Maritime Development Center (DMDC) in supporting the digital transformation of PT Integrasi Logistik Cipta Solusi (ILCS). The absence of an integrated Enterprise Architecture (EA) hinders DMDC's ability to design and manage digital initiatives, resulting in suboptimal alignment between technology components and business processes. This study aims to design an EA aligned with ILCS's business strategy using The Open Group Architecture Framework (TOGAF). The research approach involves analyzing business needs, conducting interviews, reviewing documents, and designing architecture across business, application, data, and technology domains. The outcome is an EA design that enhances operational efficiency, system interoperability, and continuous innovation. This study is expected to provide strategic guidance for DMDC in solidifying its role as a leading center for digital solutions development in Indonesia's maritime logistics sector.
Improving the Usability and User Experience of a Ticketing and Knowledge Base Web Application: A Case Study of the ESDM 136 Contact Center Ridwan Afandi; Santoso, Harry Budi
The Indonesian Journal of Computer Science Vol. 14 No. 1 (2025): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v14i1.4622

Abstract

The Ministry of Energy and Mineral Resources (MEMR) established the ESDM 136 Contact Center to improve public service accessibility and quality, supported by ticketing and a knowledge-based web application for managing complaints. However, in 2023, the average response time for requests exceeded the SLA, indicating a need to evaluate the application systems to improve service efficiency. This study addresses the poor usability and user experience of the ticketing and knowledge-based web applications, as evidenced by below-average scores on the UEQ and PSSUQ. Utilizing a mixed-methods approach, including usability testing, cognitive walkthroughs, and open-ended questionnaires, this research identified twenty-one usability issues. Eighteen design improvements, guided by user-centered design principles, were implemented in a high-fidelity prototype. Post-improvement PSSUQ evaluations showed significant improvements, with post-intervention scores falling within the "above standard" range for all measured categories and an overall score improvement from 3.17 to 2.51.

Page 91 of 112 | Total Record : 1114

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