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All Journal Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer
Rico Imanta Ginting
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Electrical & Electronics Engineering Engineering Mechanical Engineering

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Perancangan Sistem Informasi Absensi Pegawai Menggunakan Qr Code dan Linear Congruent Method Berbasis Web: Studi Kasus : SMP Perguruan Ira Martha A Lumbantoruan; Niko Surya Atmaja; Rico Imanta Ginting
Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer Vol. 6 No. 2 (2026): Juli: Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/juritek.v6i2.7576

Abstract

SMP Perguruan IRA is a private educational institution that still records employee attendance using attendance books. This method causes several problems, such as queues during attendance recording, difficulties in searching attendance data, and inefficiencies in generating attendance reports. This study aims to design a web-based employee attendance information system using QR Code and the Linear Congruential Method (LCM) to address these issues. QR Code technology enables employees to record attendance practically through smartphone scanning, while LCM is used to periodically regenerate QR Codes by producing pseudo-random values, thereby reducing the risk of code misuse through sharing or photography. The proposed application stores attendance data in a database, allowing fast data retrieval and automatic report generation. The results indicate that the web-based application provides a more efficient attendance recording process, faster data retrieval, and easier report management compared to the previous approach. Therefore, the integration of QR Code and LCM in a web-based application is considered effective in improving employee attendance management at SMP Perguruan IRA.
Perancangan Sistem Informasi Rekomendasi dan Pengelolaan Kegiatan Literasi Buku Menggunakan Algoritma Decision Tree Berbasis Web: Studi Kasus: Yayasan Perguruan Ira Afifah Aqila Nasution; Niko Surya Atmaja; Rico Imanta Ginting
Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer Vol. 6 No. 2 (2026): Juli: Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/juritek.v6i2.7577

Abstract

The Library of Yayasan Perguruan IRA has a collection of 8,885 books divided into nine categories. However, its management is still carried out in a simple manner, causing the process of searching for book information to take a long time, library services to be less optimal, and literacy activities to not yet utilize collection data as a basis for planning. This study aims to design a web-based library book collection information system integrated with the Decision Tree algorithm to generate literacy activity recommendations that are suitable for the condition of the available book collections. The program is developed using a web-based approach with a relational database for structured data storage, while the Decision Tree algorithm is applied to classify collection patterns and produce appropriate literacy recommendations. The program design results show that book information searches can be performed more quickly, collection data can be stored in a structured and easily accessible manner, and literacy activity recommendations can be generated based on collection data analysis using an algorithm. Compared to the currently running management program, the web-based program offers more efficient data management, faster information searches, and data-driven literacy planning. The implementation of this program is expected to improve the effectiveness of library management and support the development of literacy programs at Yayasan Perguruan IRA
Co-Authors Afifah Aqila Nasution Martha A Lumbantoruan Niko Surya Atmaja