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Rizky Jumansyah
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International Journal of Informatics, Information System and Computer Engineering (INJIISCOM)
Published by Universitas Komputer Indonesia
ISSN : 28100670     EISSN : 27755584     DOI : https://doi.org/10.34010/injiiscom
Core Subject : Science, Engineering,
Computer Science & IT Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering
FOCUS AND SCOPE INJIISCOM cover all topics under the fields of Computer Engineering, Information system, and Informatics. Informatics and Information system IT Audit Software Engineering Big Data and Data Mining Internet Of Thing (IoT) Game Development IT Management Computer Network and Security Mobile Computing Security For Mobile Decision Support System Web and Cloud Computing Accounting Information system Electrical and Computer Engineering Sensors and Trandusers Signal, Image, Audio and Video processing Communication and Networking Robotic, Control and Automation Fuzzy and Neural System Artificial Intelligent
Arjuna Subject : Ilmu Komputer (semua kategori) - Sistem Informasi
Articles 146 Documents
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Investigation and Analysis of End-User Service Integrity in LTE/5G Fixed Wireless Access Networks in Macrocellular Environments Aniru Abudu Muhammed; Joy Omoavowere Emagbetere
International Journal of Informatics, Information System and Computer Engineering (INJIISCOM) Vol. 7 No. 2 (2026): INJIISCOM: VOLUME 7, ISSUE 2, DECEMBER 2026 (Online First)
Publisher : Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/injiiscom.v7i2.15639

Abstract

Maintaining service integrity in Fixed Wireless Access (FWA) networks requires reliable connectivity and thorough performance testing. This study compares LTE and 5G FWA in macrocellular environments by analyzing signal propagation, throughput, and latency. Field tests were conducted on post-production networks using 5G NR at 3.5 GHz and 2.5 GHz (43 dBm) and LTE at 3.5 GHz (31 dBm). Performance was evaluated under Guaranteed Bit Rate conditions using provisioned SIMs with iPerf, QXDM, and Ping tools. Signal strength was measured against user terminal distance, while TCP traffic assessed uplink and downlink throughput. The findings offer real-world insights to support improvements in FWA service quality and network reliability.
Enhancing Local Governance and Disaster Resilience through a Data-Driven Barangay Information System Rakhiza Alyanna Dacutanan; Edgard Delos Reyes II; Emily Patiga; Ma. Ericka Bustillo; Anna Monica Cruz Paculaba
International Journal of Informatics, Information System and Computer Engineering (INJIISCOM) Vol. 7 No. 2 (2026): INJIISCOM: VOLUME 7, ISSUE 2, DECEMBER 2026 (Online First)
Publisher : Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/injiiscom.v7i2.16317

Abstract

Manual data management in rural areas hampers disaster preparedness and policy-making. This study developed and evaluated a web-based Information System for Barangay Development Planning to enable data-driven governance in Barangay Maulong, Catbalogan City, Philippines—a disaster-prone area. Utilizing the Waterfall SDLC model, the system was built using PHP, MySQL, HTML, CSS, and JavaScript. Software quality evaluation using ISO/IEC 9126 standards demonstrated high user satisfaction across functionality, reliability, usability, efficiency, maintainability, and portability, achieving an overall rating of 4.8. This system successfully enhances transparency, data accessibility, and participatory local governance. Adopting similar systems in other barangays is highly recommended to strengthen regional disaster resilience and local administration
The Role of Big Data in Development of E-Government and Dangers to Privacy Irfan Rashid
International Journal of Informatics, Information System and Computer Engineering (INJIISCOM) Vol. 7 No. 1 (2026): INJIISCOM: VOLUME 7, ISSUE 1, JUNE 2026 (ONLINE FIRST)
Publisher : Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/injiiscom.v7i1.16703

Abstract

This paper explores Big Data's central role in shaping E-Government systems and addresses the associated privacy risks. While integrating Big Data in public sectors enhances decision-making, service delivery, and transparency, it simultaneously raises concerns regarding personal data security, surveillance, and privacy invasion. This study critically evaluates the ethical and privacy consequences for citizens alongside the benefits of enhanced governance. Findings indicate that increased transparency, stringent data protection, and robust regulatory frameworks are essential for establishing public trust in E-Government initiatives. Ultimately, the research emphasizes the necessity of balancing Big Data's utility with strong security measures to ensure the long-term sustainability of digital governance
YouTube Video Popularity in Iraq and Neighboring Countries Zaid Mundher
International Journal of Informatics, Information System and Computer Engineering (INJIISCOM) Vol. 7 No. 1 (2026): INJIISCOM: VOLUME 7, ISSUE 1, JUNE 2026 (ONLINE FIRST)
Publisher : Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/injiiscom.v7i1.17717

Abstract

YouTube is a leading global video platform offering highly diverse content. Analyzing regional user behavior on this platform provides valuable strategic insights. This study examines YouTube video popularity in Iraq, Saudi Arabia, Turkey, and the United States, highlighting cross-cultural content consumption patterns. Using the YouTube Data API, metadata including video titles, views, likes, and comments were collected over a 30-day period. Exploratory data analysis revealed significant regional differences in user engagement rates, preferred content categories, and platform interaction durations. The findings provide actionable insights for marketers, content creators, and researchers interested in digital sociology and localized online user behavior. 
Exploring Raised Cosine Filtering for Signal Integrity and ISI Mitigation in Digital Communication Systems’ Mst Jannatul Kobra; Md Owahedur Rahman
International Journal of Informatics, Information System and Computer Engineering (INJIISCOM) Vol. 7 No. 1 (2026): INJIISCOM: VOLUME 7, ISSUE 1, JUNE 2026 (ONLINE FIRST)
Publisher : Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/injiiscom.v7i1.17795

Abstract

In high-speed networks such as 4G/5G, bandwidth constraints remain a major challenge for digital communication systems, where Inter-Symbol Interference (ISI) significantly degrades signal quality. This study investigates the application of raised cosine filtering to mitigate ISI and enhance signal integrity across several modulation schemes, including BPSK, QPSK, and M-PSK. MATLAB simulations were conducted using roll-off factor values ranging from 0.1 to 0.9, and system performance was evaluated in terms of Bit Error Rate (BER), Peak-to-Average Power Ratio (PAPR), and signal quality represented by eye diagrams. The results indicate that higher roll-off factors provide better ISI mitigation and improved signal clarity, although at the expense of increased bandwidth consumption. The findings highlight the trade-off between bandwidth efficiency and ISI reduction, which is essential for designing optimized filters in modern high-speed communication systems. These results can support the development of more efficient filtering techniques for practical communication networks such as 4G/5G and Wi-Fi, thereby providing valuable insights for communication system designers.
Information Technology and Knowledge Management in Evidence-based Medicine: Scoping Review Edmond C. Kungwalo; Chipo Kanjo; Patrick A. Chikumba
International Journal of Informatics, Information System and Computer Engineering (INJIISCOM) Vol. 7 No. 2 (2026): INJIISCOM: VOLUME 7, ISSUE 2, DECEMBER 2026 (Online First)
Publisher : Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/injiiscom.v7i2.17826

Abstract

Information technology (IT) and knowledge management (KM) are critical to evidence-based medicine (EBM). This scoping review synthesizes evidence from 17 selected articles out of 2,063 retrieved across ScienceDirect, Scopus, PubMed, and Web of Science databases to evaluate how IT and KM enhance EBM. The findings reveal two primary research streams indicating that IT and KM significantly improve patient outcomes, organizational performance, and healthcare worker job satisfaction. However, most healthcare IT projects remain program-specific, focusing heavily on disease monitoring rather than fostering collaboration and KM. Furthermore, literature lacks insight into how information system design affects healthcare delivery, and comprehensive frameworks for evaluating KM practices remain scarce.
Comparative Analysis of Monolithic and Serverless Microservice Architectures Using Reliability Metrics Yevhen Mykhailenko
International Journal of Informatics, Information System and Computer Engineering (INJIISCOM) Vol. 7 No. 2 (2026): INJIISCOM: VOLUME 7, ISSUE 2, DECEMBER 2026 (Online First)
Publisher : Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/injiiscom.v7i2.18023

Abstract

This study investigates whether decomposing a Java-based monolithic application into an event-driven serverless design improves resilience. Evaluating reliability metrics like recovery time objective (RTO), recovery point objective (RPO), MTTR, and MTBF against predefined service-level objectives reveals that the serverless variant maintains stable latency under load. It also recovers from injected failures twice as fast as the monolithic baseline. Furthermore, strict serverless execution limits necessitated decomposing long-running tasks into smaller stages, effectively confining failures and maintaining error rates within planned budgets. These findings offer practical guidance for designing highly reliable serverless systems evaluated against explicit service-level objectives. 
Enhancing Computational Thinking through a 2D Block-Coding Game: A Comparative GDLT–TAM Study in Elementary Education Tony Wibowo; Wilson Wilson; Kevin Gernaldi; Fredian Simanjuntak
International Journal of Informatics, Information System and Computer Engineering (INJIISCOM) Vol. 7 No. 2 (2026): INJIISCOM: VOLUME 7, ISSUE 2, DECEMBER 2026 (Online First)
Publisher : Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/injiiscom.v7i2.18402

Abstract

This study evaluated a 2D block-coding educational game developed via the Game Development Life Cycle Theory (GDLT) to introduce computational thinking to elementary students. Using the Technology Acceptance Model (TAM), the study compared 122 students from grades 3 and 6 divided into two groups: Group A (with instructional guidance) and Group B (unguided). Data from observations and interviews were analyzed through deductive thematic analysis. Group A demonstrated faster conceptual understanding, fewer level attempts, and higher perceived usefulness and ease of use than Group B. Thus, combining game-based coding with instructional guidance significantly enhances computational thinking development and technology acceptance.
Systematic Review of Blockchain Technology in Electronic Medical Record Management: Trends, Challenges, and Future Research Directions Hani Irmayanti; Sufa Atin; Andri Heryandi; Irawan Afrianto; Estiko Rijanto; Irfan Dwiguna Sumitra
International Journal of Informatics, Information System and Computer Engineering (INJIISCOM) Vol. 7 No. 2 (2026): INJIISCOM: VOLUME 7, ISSUE 2, DECEMBER 2026 (Online First)
Publisher : Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/injiiscom.v7i2.18520

Abstract

This study explores blockchain technology's role in addressing security and integration challenges within Electronic Medical Record (EMR) systems. Using a Systematic Literature Review (SLR) of 143 articles, the research highlights blockchain’s potential to facilitate decentralized, transparent, and secure data exchange. Findings indicate that permissioned blockchains, specifically Hyperledger Fabric, are preferred for maintaining data integrity and managing access via smart contracts. To handle big data scalability, this study recommends a hybrid architecture, identifying AI and IoT integration as the future of smart healthcare. Despite its promise, the lack of global semantic standardization remains a primary hurdle for achieving full interoperability. These insights offer a strategic roadmap for developing integrated, patient-centric EMR systems. 
Designing an Information Technology Governance Roadmap for Prioritising Initiatives Based on the COBIT 2019 Framework and Mcfarlan Grid Risk-Value Analysis Hendi Novianto Novianto; Raden Venantius Hari Ginardi
International Journal of Informatics, Information System and Computer Engineering (INJIISCOM) Vol. 7 No. 1 (2026): INJIISCOM: VOLUME 7, ISSUE 1, JUNE 2026 (ONLINE FIRST)
Publisher : Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/injiiscom.v7i1.18777

Abstract

Digital transformation intensifies the strategic role of information technology (IT) governance in maintaining operational performance and competitive advantage. PT Perusahaan Gas Negara (PGN), a state-owned energy company, faces challenges in aligning IT investments with business priorities while managing escalating technological risks. This study integrates the COBIT 2019 framework with a value-risk prioritization approach using the McFarlan Strategic Grid to develop a structured improvement roadmap. A qualitative descriptive case study was conducted through observation, capability assessments, interviews, and literature reviews. Evaluation of fifteen priority COBIT processes yielded an average capability score of 3.67, reflecting a Defined/Established maturity level. The McFarlan analysis classified 28 consolidated initiatives into four priority clusters. The resulting roadmap supports strategic alignment, risk-sequenced execution, and executive decision-making.

Page 13 of 15 | Total Record : 146

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