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Feature Selection using Information Gain on the K-Nearest Neighbor (KNN) and Modified K-Nearest Neighbor (MKNN) Methods for Chronic Kidney Disease Classification Ramadhan, Aweldri; Budianita, Elvia; Syafria, Fadhilah; Ramadhani, Siti
Jurnal CoreIT: Jurnal Hasil Penelitian Ilmu Komputer dan Teknologi Informasi Vol 9, No 2 (2023): December 2023
Publisher : Fakultas Sains dan Teknologi, Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/coreit.v9i2.26834

Abstract

Purpose: Kidneys has an important role in the human excretory system. Unhealthy kidneys can affect kidney function. It is important to know the symptoms of chronic kidney disease. One data mining technique that can be applied is the classification technique to determine whether a person has chronic kidney disease or not based on the symptoms (attributes) obtained from medical records. The symptoms of chronic kidney disease obtained amount to 24 symptoms or attributes,Methods/Study design/approach: In this research, the classification of chronic kidney disease is performed using the information gain feature selection method and the KNN and MKNN classification methods. The number of data used is 400 data with 2 classes, namely chronic kidney disease (CKD) and non-chronic kidney disease (non-CKD).Result/Findings: Based on the test results, it was found that the hemo (Hemoglobin) attribute has the highest information gain value, which is 0.6255. The best accuracy for the KNN classification method is 96.61%, and for the MKNN method, it is 98%. Novelty/Originality/Value: The purpose of information gain feature selection is to choose features or attributes that significantly influence chronic kidney disease. Keywords: Chronic Kidney Disease, Information Gain, KNN, MKNN
Audit Of Information Technology Governance In The Boss PT. Bahtera Pesat Lintasbuana Using Cobit 2019 Dewi, Yumi Novita; Nurlaila, Nurlaila
Jurnal CoreIT: Jurnal Hasil Penelitian Ilmu Komputer dan Teknologi Informasi Vol 10, No 1 (2024): June 2024
Publisher : Fakultas Sains dan Teknologi, Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/coreit.v10i1.21933

Abstract

This research, starting from the frame of mind that Audit of Technology Information Governance on Enterprise  information system using COBIT 2019 is an important thing to do now and the future to align information technology investment with Enterprise Goals. COBIT 2019 framework provides realization of the benefits of implementation information systems, optimizing risks and optimizing resources according to Enterprise needs. Design factor of COBIT 2019 can determine the domains that must be assessed for their maturity level, so that companies can find out what needs to be improved in implementing information systems. This research is focus to the EDM02 and APO04 with expected maturity level 5. The EDM02 domain focuses on the process of optimizing the business value contribution of business processes, IT Service and IT assets resulting from investments made by IT in accordance with acceptable cost for the Enterprise. APO04 domain, it aims to organize and manage innovation by increasing operational efficiency in companies with the latest technology.
Flood Hazard Level Analysis of Kapuas Hulu Sub-watershed Using Geographic Information System Simanjuntak, Nunut Rialdi; Umar, Umar; Gunarto, Danang; Soeryamassoeka, S. B.
Jurnal Teknik Sipil Vol 24, No 4 (2024): Vol 24, No 4 (2024): JURNAL TEKNIK SIPIL EDISI NOVEMBER 2024
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v24i4.86222

Abstract

This article analyzes the flood hazard level in the Kapuas Hulu Sub-watershed using a Geographic Information System (GIS). The flood risk in this region is influenced by various factors such as soil types, land cover, elevation, slope, rainfall, and human activities. Ultisol (64.44%) significantly contributes to flood risk due to its low water permeability, leading to surface runoff during heavy rain. Inceptisol (31.73%) also plays a role in flood dynamics, with its water retention capacity dependent on vegetation. Smaller areas of Histosol (0.50%) and Spodosol (0.07%) pose localized flooding risks in lowland regions. The dominant land cover, primarily dryland forest, helps mitigate flooding, while settlements and agricultural zones increase vulnerability by reducing water absorption. Low-lying areas (50-100 meters) and steep slopes (25-45%) further exacerbate flood potential"”areas receiving moderate to high rainfall increase surface runoff and flood risk. GIS-based analysis categorizes flood vulnerability into low, medium, and high levels, with 57.71% of the area classified as low vulnerability. Recommendations for flood risk mitigation include soil conservation, reforestation, sustainable land management, and drainage system improvements in vulnerable areas.
Analisis Faktor-Faktor yang Mempengaruhi Manfaat Penggunaan E-Wallet: Aplikasi Information System Success Model (ISSM) Editya, Syafina Nadja; Nikensari, Sri Indah; Nurjanah, Siti
Jurnal Multidisiplin West Science Vol 3 No 05 (2024): Jurnal Multidisiplin West Science
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/jmws.v3i05.1182

Abstract

Sebagai sistem layanan keuangan digital yang paling banyak digunakan di Indonesia, kepuasan pengguna aplikasi e-wallet berperan penting dalam memberikan manfaat penggunaan dari layanan keuangan yang berkualitas dan menjangkau pengguna yang lebih luas. Dalam hal ini, peneliti bertujuan untuk menganalisis manfaat penggunaan aplikasi e-wallet melalui model keberhasilan sistem informasi (Information System Success Model) dengan melakukan studi kasus pada aplikasi Gopay. Penelitian ini dilakukan dengan mengambil sampel sebanyak 100 mahasiswa yang menggunakan aplikasi Gopay kemudian data dianalisis dengan uji regresi linier berganda. Hasil analisis dari penelitian menyatakan bahwa kualitas sistem, kualitas layanan, dan kualitas informasi secara parsial dan simultan berpengaruh positif signifikan terhadap kepuasan pengguna aplikasi Gopay. Kemudian, kepuasan pengguna tersebut berpengaruh positif signifikan terhadap manfaat penggunaan dari aplikasi Gopay. Dengan demikian, aplikasi e-wallet dapat meningkatkan kepuasan penggunanya melalui kualitas sistem, kualitas layanan, dan kualitas informasi pada aplikasinya.
IMPLEMENTING DIGITAL ACCOUNTING INFORMATION SYSTEMS TO ENHANCE FINANCIAL GOVERNANCE IN VILLAGE-OWNED ENTERPRISES (BUMDES): EVIDENCE FROM WEST LOMBOK, NTB Indriani, Eni; Martiningsih, Rr. Sri Pancawati; Inapty, Biana Adha
Jurnal Aplikasi Akuntansi Vol 10 No 1 (2025): Jurnal Aplikasi Akuntansi, October 2025
Publisher : Program Studi Diploma III Akuntansi Fakultas Ekonomi dan Bisnis Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jaa.v10i1.735

Abstract

This study analyzes the implementation of digital accounting information systems to strengthen financial governance in Village-Owned Enterprises (BUMDes) in West Lombok Regency, Indonesia. The research explores user readiness, perceived usefulness, and ease of use in adopting digital financial systems using the Rapid Application Development (RAD) method integrated with the Technology Acceptance Model (TAM). A qualitative-descriptive approach was employed, combining pre-tests, post-tests, field observations, and in-depth interviews with BUMDes managers, village facilitators, and development advisors. The findings reveal that introducing digital accounting systems significantly improved financial reporting accuracy, transparency, and timeliness, particularly among BUMDes with proactive leadership and higher digital literacy. The TAM analysis confirms that perceived usefulness and ease of use strongly influence user acceptance and continued utilization of digital systems, while organizational support and training serve as critical mediating factors. The study demonstrates that digitalization enhances accountability and operational efficiency from a governance perspective, but sustainable transformation requires continuous human resource development through structured education and technical mentoring. Theoretically, this research contributes to extending the TAM framework within community-based financial institutions, illustrating the socio-technical nature of digital transformation in rural contexts. Practically, the results emphasize the need for integrated policy support, including standardized reporting templates, digital infrastructure provision, and incentive-based training for BUMDes managers. Future studies should adopt a longitudinal and mixed-method approach to evaluate long-term impacts and financial performance outcomes.
Analysis of the Effectiveness of the Employee Payroll Accounting Information System at the PTPN II Sei Semayang Central Workshop Mutia, Liza; Lubis, Fauzi Arif; Syafina, Laylan
International Journal on Social Science, Economics and Art Vol. 14 No. 1 (2024): May: Social Science, Economics
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/ijosea.v14i1.508

Abstract

In this study, there are still weaknesses in the supervision of recording overtime hours which can result in potential fraud in the calculation of employee working hours. This research uses qualitative research methods with data collection techniques including interviews, observation and document analysis. The results of the research Payroll Accounting Information System at PTPN II Sei Semayang central workshop are in accordance with PSAK No. 24. The payroll accounting information system is considered adequate in supporting the company's internal management.
Defense Information Systems Architecture for Cyber Threats: A Systematic Review of the Research Literature Martanto Dwi Saksomo Hadi; Rudy Agus Gemilang Gultom; Ansori; Bambang Kustiawan
Jurnal Penelitian Pendidikan IPA Vol 11 No 10 (2025): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i10.12905

Abstract

Cyber ​​threats have become a serious challenge to national defense. Although Indonesia has a high cybersecurity index, a series of significant incidents against government institutions indicate urgent vulnerabilities that need to be addressed through a more resilient defense architecture. This study conducted a systematic literature review (SLR) to identify the results and practices of implementing the TOGAF, DoDAF, and COBIT (TDC) frameworks in the cyber defense domain. The results indicate that the literature is dominated by qualitative studies (53%) and COBIT framework implementations (73%), especially in government agencies (67%). The analysis yielded four main themes: improved governance and compliance, optimized risk management, strengthened security posture, and architectural and operational efficiency. The literature's focus on the first two themes signals a strategic shift from technical solutions to a governance- and risk-based approach. The study concludes that an effective approach to modern cyber defense is through integrating the specific strengths of each framework: COBIT for governance, DoDAF for operations, and TOGAF for architecture.
Design and Development of Alumni Career Information System using PHP MySQL Hamid, Mustofa Abi; Aribowo, Didik; Anggraini, Rini
Elinvo (Electronics, Informatics, and Vocational Education) Vol. 6 No. 1 (2021): Mei 2021
Publisher : Department of Electronic and Informatic Engineering Education, Faculty of Engineering, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (470.382 KB) | DOI: 10.21831/elinvo.v6i1.30200

Abstract

Alumni data collection at the Electrical Engineering Vocational Education Universitas Sultan Ageng Tirtayasa was still performed manually and there were no career information media about soft skills training and development, tracer studies, and job vacancies information. Therefore, media is needed to accommodate career information and alumni data collection quickly and effectively. The web-based information system using PHP MySQL was developed and tested for feasibility as an information medium for soft skills training and development, tracer studies, job vacancies information, as well as career counseling and consulting. This study used a Modify R&D as a development method and the waterfall method as a development model consisted of analysis, design, coding (implementation), and testing. The testing was carried out by 37 people consisted of software experts, admins, alumni, and students of Electrical Engineering Vocational Education. The test was based on the ISO9126 standard with functionality, usability, reliability, and efficiency aspects. Based on the results, the functionality aspect had a score of 77 (very feasible), the usability aspect had a score of 87.8 (very feasible), the reliability aspect had a score of 100% (very feasible) and the average page load time was 3.48 seconds (feasible).
Development of a Web-Based Information System for Student Leave Permission at Dar Al-Raudhah Islamic Boarding School: ISO Quality Standards Analysis Destiana, Bonita; Priyanto, Priyanto; Irfan, Rahmatul; Khamim, Muhammad Gus; Ridlo, Muhammad Yusuf; Iqbal, Muhammad
Elinvo (Electronics, Informatics, and Vocational Education) Vol. 8 No. 2 (2023): November 2023
Publisher : Department of Electronic and Informatic Engineering Education, Faculty of Engineering, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/elinvo.v8i2.66420

Abstract

Dar Al-Raudhah Entrepreneur, Islamic Boarding School, has adopted digital technology by upgrading hardware and software also investing in reliable internet infrastructure. However, this school still faces issues with students' leave permission process due to reliance on manual bookkeeping and Excel, which leads to potential errors. Based on those problems, this research aims to create a web-based student leave permission system called SIPERSAN. The SIPERSAN system was developed with a Waterfall development model, which includes requirements analysis, design, implementation, testing, and deployment. The database is managed with MySQL, and the system is developed using PHP with the Laravel framework. Based on testing results, SIPERSAN has met the ISO 25010 standard for the four aspects: functionality, performance efficiency, reliability, and usability. Regarding functionality, this system has a score of 0.964, indicating it is very eligible. It rates 90% on GTMetrix (Grade B) for performance efficiency with an average loaded time of 2.06 seconds, making it eligible. Regarding reliability, the system is rated as very eligible for success based on evaluations performed with WAPT software. Usability is rated at 75.33%, which is considered eligible. SIPERSAN also received a positive response from users, who felt impacts such as facilitating the processing of student permits, increasing efficiency in managing student permit data, minimizing data errors, and assisting in recording student permits that are organized and systematic.
Development of a Web-Based Information System for Heavy Equipment Rental at CV. Amelia Putri Using the CodeIgniter Framework Sigit Auliana; Amelia, Nur; Aryono, Gagah Dwiki Putra
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 7 No. 1 (2025): September 2025
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v7i1.8940

Abstract

The development of information technology demands digital transformation in business management, including the heavy equipment rental sector. CV Amelia Putri, which still uses a manual recording system, faces various operational obstacles such as data errors, administrative inefficiencies, and slow customer service. This research aims to design a web-based heavy equipment rental information system using the CodeIgniter framework to overcome these problems. The research methodology uses a qualitative approach with SWOT analysis and waterfall development method. The system is designed with Model-View-Controller architecture integrated with MySQL database and XAMPP supporting technology. The results showed that the system succeeded in increasing operational efficiency by 80% and data accuracy reached 95%. The main features include user registration, tool search, online ordering, admin verification, payment management, and automated reporting. Black Box Testing proves that all modules function optimally with a high level of user satisfaction. The implementation of this digital system not only reduces recording errors and speeds up administrative processes, but also significantly improves operational transparency and customer service quality.

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