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Rizky Jumansyah
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injiiscom@email.unikom.ac.id
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INDONESIA
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 145 Documents
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Investigation and Analysis of End-User Service Integrity in LTE/5G Fixed Wireless Access Networks in Macrocellular Environments Muhammed, Aniru Abudu; Emagbetere, Joy Omoavowere
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

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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). The setup included customer premises equipment, measurement software, and a laptop, with all tests performed under Guaranteed Bit Rate conditions to ensure validity. Performance was evaluated using provisioned LTE and 5G SIMs with iPerf, QXDM, and Ping tools. Signal strength was measured against user terminal distance from the base station, while TCP traffic to an FTP server assessed uplink and downlink throughput under controlled conditions. 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 Dacutanan, Rakhiza Alyanna; Delos Reyes II, Edgard; Patiga, Emily; Bustillo, Ma. Ericka; Paculaba, Anna Monica Cruz
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

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Abstract

Rural areas have issues with data management, disaster preparedness, and policy-making all due to manual systems. The purpose of this study is to develop and evaluate a web-based Information System for Barangay Development Planning through data-driven governance. The system incorporates geospatial and administrative information to improve local decision-making in a disaster-prone area of Barangay Maulong in Catbalogan City, Philippines. By using the Waterfall Model of System Development Life Cycle (SDLC), the system was built using PHP, MySQL, and front-end technologies like HTML, CSS and JavaScript. The software evaluation was done using ISO/IEC 9126 software quality standards and that shows a higher level of user satisfaction with its functionality, reliability, usability, efficiency, maintainability, and portability. The study focuses on the role of information systems to enhance transparency, data accessibility, and participatory governance in the local level. It is recommended that similar systems be adopted by other barangays to improve local governance and disaster resilience across wider regions.
The Role of Big Data in Development of E-Government and Dangers to Privacy Rashid, Irfan
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

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Abstract

In this paper, it is observed that Big Data plays a central role in influencing the formation and efficiency of the E-Government systems and tackles the dangers of one of its primary concerns, namely the privacy risks. Greater use of Big Data technologies in government sectors has been associated with notable positive changes in the decision-making, service delivery, and transparency. Nevertheless, such developments have brought about concerns on personal data security, monitoring and possibility of privacy invasion. This paper examines the possibility of utilizing Big Data to enhance governance of the people, and also critically evaluates the possible ethical and privacy consequences to the citizenry. The results indicate that increased transparency, data protection, and more robust regulatory frameworks are very vital in establishing the trust of the population in the E-Government initiatives. The study accentuates the need to build a balance between the usefulness of Big Data and strong security measures to guarantee the sustainability of digital government systems in the long-term.
YouTube Video Popularity in Iraq and Neighboring Countries Mundher, Zaid
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

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Abstract

Today, YouTube is one of the most popular and widely viewed global video platforms. The platform contains a huge number of videos of varying lengths and categories. Studying user behavior based on these categories, considering geographic regions, can provide many insights for video creators. This study examines the popularity of YouTube videos in four countries: Iraq, Saudi Arabia, and Turkey, in addition to the United States, a country with a distinct culture and diverse interests. The required data was collected over a 30-day period using the YouTube Data API. This gathered data includes many important features, such as video titles, video views, video likes, and video comments. After analyzing data, results shows many differences in user engagement, content types, and engagement patterns with the platform, providing valuable insights for content creators, marketers, and researchers who interested in regional digital user behavior.
Exploring Raised Cosine Filtering for Signal Integrity and ISI Mitigation in Digital Communication Systems’ Kobra, Mst Jannatul; Rahman, Md Owahedur
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

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Abstract

In high-speed networks such as 4G/5G, bandwidth constraints are a major challenge to digital communication systems, where Inter-Symbol Interference (ISI) is a major problem. The present paper addresses the application of raised cosine filtering to eliminate ISI and improve signal integrity in the context of several modulation methods (BPSK, QPSK and M-PSK). By using MATLAB simulations, a series of roll-off values (0.1 to 0.9) were studied, with the performance measured in terms of Bit Error rate (BER), peak-to-average power ratio (PAPR) and signal quality, represented by eye diagrams. The work concludes that a higher roll-off factor has led to a better reduction of ISI and signal clearance although there is an expense of using more bandwidth. The findings point out to a trade-off between bandwidth efficiency and ISI mitigation which is useful in the design of optimized filters in contemporary high-speed communication systems. Such results can be applied to the creation of more efficient filtering methods to realistic networks such as 4G/5G and Wi-Fi, which can provide useful information to the designers of the communication systems.
Information Technology and Knowledge Management in Evidence-based Medicine: Scoping Review Kungwalo, Edmond C.; Kanjo, Chipo; Chikumba, Patrick A.
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

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Abstract

Information technology (IT) and knowledge management (KM) are key in evidence-based medicine (EBM), a decision-making approach in healthcare that relies on the best available evidence to make informed clinical decisions. In this scoping review, the aim is to provide an overview of the existing scientific evidence regarding how information technology (IT) and knowledge management (KM) improve evidence-based medicine (EMB). This review considered studies that were conducted in healthcare settings where information technology (IT) was used to manage knowledge. The literature search involved four online databases, namely ScienceDirect, Scopus, PubMed, and Web of Science. The search produced 2,063 articles, 17 of which were selected for the review. The results show that two important research streams exist, all indicating that IT and knowledge management (KM) enhance patient outcome, organisation performance and health workers job satisfaction. However, most IT projects in healthcare are program specific and have concentrated on monitoring diseases rather than promoting collaboration and KM. In addition, there is a lack of literature on how information system (IS) design affects healthcare provision and a lack of comprehensive frameworks for evaluating KM practices in healthcare settings
Comparative Analysis of Monolithic and Serverless Microservice Architectures Using Reliability Metrics Mykhailenko, Yevhen
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

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Abstract

This study investigates whether decomposing a Java-based monolithic application into an event-driven serverless design leads to measurable improvements in resilience and recovery behavior. The evaluation used reliability metrics aligned with predefined service-level objectives, including recovery time objective (RTO), recovery point objective (RPO), mean time to recovery (MTTR), and mean time between failures (MTBF). The results indicate that the serverless variant maintains more stable latency as load increases and recovers from injected failures significantly faster than the monolithic baseline, with MTTR reduced by approximately a factor of two. In addition, execution time and memory limits enforced by the serverless runtime shaped the design by requiring long-running work to be decomposed into smaller stages, which helped confine failures to bounded recovery events and keep error rates within the planned error budget. These findings provide practical guidance for engineers designing 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 Wibowo, Tony; Wilson, Wilson; Gernaldi, Kevin; Simanjuntak, Fredian
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

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Abstract

The aims of this study was to develop and evaluate a 2D block- coding educational game designed to introduce computational thinking concepts to elementary school students. The game was developed using the Game Development Life Cycle Theory (GDLT), while its acceptance was evaluated using the Technology Acceptance Model (TAM), focusing on perceived usefulness, ease of use, attitude, and behavioral intention. The study involved 122 students from grades 3 and 6, divided into two groups: Group A received instructional guidance before gameplay, while Group B played the game without guidance. Data were collected through classroom observations and semi-structured interviews and analyzed using deductive thematic analysis based on the TAM framework. The results showed clear differences between the two groups. Group A demonstrated faster understanding of block- coding concepts, required fewer attempts to complete levels, and exhibited more consistent learning progress. In contrast, Group B experienced a longer adjustment period and relied more on trial- and-error learning. Group A also perceived the game as more useful and easier to use, and showed a stronger intention to continue using it. Overall, the findings indicate that the proposed game is an effective tool for introducing computational thinking in elementary education and highlight the importance of combining instructional guidance with game-based coding to enhance learning effectiveness and user acceptance.
Systematic Review of Blockchain Technology in Electronic Medical Record Management: Trends, Challenges, and Future Research Directions Irmayanti, Hani; Atin, Sufa; Heryandi, Andri; Afrianto, Irawan; Rijanto, Estiko; Dwiguna Sumitra, Irfan
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

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Abstract

This study explores the role of blockchain technology in addressing security and integration challenges within Electronic Medical Record (EMR) systems. Using a Systematic Literature Review (SLR) of 143 selected articles, the research highlights blockchain’s potential to provide decentralized, transparent, and secure data exchange. Key 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, the study recommends a hybrid architecture, while identifying the integration of AI and IoT as the future of "smart healthcare”. Despite its promise, the primary hurdle remains the lack of global semantic standardization, which is essential for achieving full interoperability across diverse healthcare facilities. These insights offer a strategic roadmap for developing integrated, patient-centric, and secure medical record systems.
Designing an Information Technology Governance Roadmap for Prioritising Initiatives Based on the COBIT 2019 Framework and Mcfarlan Grid Risk-Value Analysis Novianto, Hendi Novianto; Ginardi, Raden Venantius Hari
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

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Abstract

The strategic role of information technology (IT) governance in preserving operational performance and competitive advantage is strengthened by digital transformation. Perusahaan Gas Negara (PGN), a state-owned company in the energy sector, finds it difficult to manage rising technological risks while coordinating IT investments with business priorities. In order to create an improvement roadmap, this study combines the COBIT 2019 framework with a Value-Risk prioritization technique using the McFarlan Strategic Grid. A qualitative descriptive case study was carried out using observation, capability assessments, literature reviews, and interviews. An average capability score of 3.67, which denotes a Defined/Established maturity level, was obtained from the evaluation of fifteen COBIT priority processes. The McFarlan analysis identified four Strategic, six Key Operational, one High-Potential, and seventeen Support initiatives. The final roadmap enhances governance effectiveness by improving strategic alignment, sequencing initiatives based on risk and value, and supporting executive decision making.

Page 13 of 15 | Total Record : 145

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