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All Journal Sinkron : Jurnal dan Penelitian Teknik Informatika JURNAL MEDIA INFORMATIKA BUDIDARMA IJISTECH (International Journal Of Information System & Technology) KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) Journal of Computer Networks, Architecture and High Performance Computing Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) IJISTECH Instal : Jurnal Komputer Jurnal Pengabdian Masyarakat IPTEK SAGA: Journal of Technology and Information Systems Kesatria : Jurnal Penerapan Sistem Informasi (Komputer dan Manajemen) KETIK : Jurnal Informatika Journal of Blockchain, Nfts and Metaverse Technology Informatics FIMERKOM: Journal of Information Systems and Technology RESPINARIA: Jurnal Pengabdian Kepada Masyarakat Jurnal Sinergi Digital dan Pemberdayaan Masyarakat
Nasib Marbun
Media Digital Publikasi Indonesia, Medan, Indonesia
Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Library & Information Science Social Sciences

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Rancang Bangun Sistem Informasi Pemesanan Makanan Berbasis Web pada Deshake Coffee Darmawan, Rahmat; Marbun, Nasib
Kesatria : Jurnal Penerapan Sistem Informasi (Komputer dan Manajemen) Vol 5, No 4 (2024): Edisi Oktober
Publisher : LPPM STIKOM Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/kesatria.v5i4.470

Abstract

This research aims to design and develop a web-based food ordering information system specifically tailored to the needs of the cafe, this research emphasizes the importance of technology adoption to improve customer experience. The system will allow customers to place orders online easily and conveniently through an intuitive user interface. In addition, the integration of a secure payment system, effective order management, and the availability of accurate product information are the main focuses in its development. In the context of Deshake Coffee, the system is designed to allow customers to place food orders easily from anywhere, through any internet-connected device. An intuitive user interface will guide users through the ordering process, while integration with a secure payment system will guarantee smooth and reliable transactions. Effective order management will help Deshake Coffee to manage orders more efficiently, minimize errors, and optimize product delivery to customers. In addition, the system will provide customers with accurate and up-to-date product information, ensuring that they always have the information they need to make informed purchasing decisions. By implementing this ordering information system, Deshake Coffee is expected to not only expand its market reach through an online platform, but also improve inventory management and overall order management. It is hoped that the results of this research can make a positive contribution to the development of technology in the food and beverage industry, as well as significantly increase Deshake Coffee's customer satisfaction.
Implementation of a Desktop-Based Sales Information System Using the Waterfall Method Rangkuti, Haris Munandar; Marbun, Nasib
Journal of Computer Networks, Architecture and High Performance Computing Vol. 7 No. 1 (2025): Article Research January 2025
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/cnahpc.v7i1.4064

Abstract

In today's digital era, information technology has become an integral part of various aspects of life. One of the many utilizations of information technology products is a desktop-based information system. The purpose of this research is to implement a desktop-based sales information system to solve the problem of data redundancy, calculation errors in sales transactions, and excessive use of time in the process of managing sales data in the Culinary business field because it still utilizes conventional methods. The sales information system developed in this study was built using the Visual Basic Net programming language. Visual basic net is an object-oriented programming language designed to build a variety of windows applications. The database used in the sales information system in this research is Microsoft Access. The collection methods used to obtain the required research data include observation, interviews, and literature studies. The system development method that the author uses to build a desktop-based sales information system in this research is the Waterfall method. The results of this study are in the form of a desktop-based sales information system equipped with various features to make it easier for users to systematically process sales data in the culinary business field. The desktop-based sales information system produced in this research allows faster and more accurate data management compared to conventional methods.
Implementation of Raita Algorithm for Biography Search of Biblical Figures Gaol, Sedihati Kayan Lumban; Manalu, Hery Buha; Purba, Bona; Ginting, Suranta Bill Fatric; Marbun, Nasib
Bahasa Indonesia Vol 16 No 05 (2024): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalinstall.v16i05.310

Abstract

The purpose of this research is to implement the raita algorithm as a solution for searching biographies of figures in the Bible. Raita performs string matching starting from the rightmost string pattern to the leftmost string pattern that is aligned with the sting text with a predetermined shift based on the BmBc value. Raita can be used as a solution for string matching in the search for information related to the biography of figures in the Bible. In the case study conducted in this research, Raita can complete string matching to find patterns in the text very quickly, namely with only 2 (two) shifts
Combination of ROC and MFEP to Determine the Best Web Designer Eldo, Handry; Marbun, Nasib; Rozi, Ahmad
Bahasa Indonesia Vol 15 No 02 (2023): Instal : Jurnal Komputer Periode (Juli-Desember)
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalkomputer.v15i02.177

Abstract

This research aims to solve the problem of decision making in determining the Best Web Designer. The data collection technique used in this research is literature study. The method that the author applies is ROC as a method of weighting factor weight values and MFEP as a method of determining alternative ranking results. The results of applying a combination of the ROC method and the MFEP method in this study show that A1 (0.447757) is an alternative that has the highest value compared to 4 (four) other alternatives, namely A4 (0.426882), A2 (0.357889), A5 (0.343861), and A3 (0.239611). So it can be concluded that A1 (0.447757) is the most recommended alternative to be chosen as the best web designer in this study.
Implementation of RC4 Stream Cipher for Data Security in Internet Café Billing Systems Marbun, Nasib
Bahasa Indonesia Vol 17 No 08 (2025): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalinstall.v17i08.366

Abstract

In the field of data communication, cryptography plays a crucial role in ensuring data confidentiality, authenticity, and integrity. This technique is essential when transmitting sensitive information over public networks, preventing unauthorized access or manipulation. In the context of internet cafés (warnet), which provide global computer network access, a secure billing system is vital to prevent data tampering related to user activity duration and associated charges. This study applies the RC4 stream cipher encryption algorithm to protect the billing data. By encrypting user data before storage, the system ensures its confidentiality and integrity. The implementation, developed using Visual Basic 6.0, demonstrates that the encrypted data (ciphertext) maintains a consistent structure with the plaintext, indicating effective encryption without increasing data size. This solution enhances security in internet café billing systems.
Pelatihan Ms. Word pada Pondok Pesantren Darul Hasanah Mardhatillah di Desa Sigara-gara Azlan, Azlan; Wahyu Riansah; Yopi Hendro Syahputra; Nasib Marbun; Saidi Ramadan Siregar
Jurnal Pengabdian Masyarakat IPTEK Vol. 5 No. 2 (2025): Edisi Juli 2025
Publisher : STMIK Triguna Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53513/abdi.v5i2.11680

Abstract

Pelatihan penggunaan Microsoft Word di Pondok Pesantren Darul Hasanah Mardhatillah, Desa Sigara-gara, dilatarbelakangi oleh rendahnya kemampuan santri dalam mengoperasikan aplikasi pengolah kata yang penting untuk menunjang kegiatan akademik dan administrasi pesantren. Tujuan kegiatan ini adalah meningkatkan keterampilan santri dalam menggunakan Microsoft Word secara efektif dan efisien. Metode yang digunakan adalah pelatihan langsung dengan pendekatan praktik dan tanya jawab, serta pendampingan selama proses belajar. Pelatihan berlangsung selama dua hari dengan materi mencakup pengenalan antarmuka, pembuatan dokumen, pengaturan format, dan pencetakan dokumen. Hasil pelatihan menunjukkan peningkatan signifikan pada kemampuan santri dalam mengoperasikan Microsoft Word, yang diharapkan dapat menunjang aktivitas belajar mengajar serta administrasi pesantren secara lebih optimal. Dengan demikian, pelatihan ini memberikan kontribusi nyata dalam pengembangan sumber daya manusia di lingkungan pondok pesantren.
Implementasi Algoritma Knuth-Morris-Pratt Pada E-Katalog Perpustakaan Marbun, Nasib; Rozy, Ahmad; Pasaribu, Sutrisno Arianto; Bu'ulolo, Efori; Purba, Bister; Hasibuan, Nisma Novita; Riansyah, Muhammad
KETIK : Jurnal Informatika Vol. 2 No. 02 (2024): November
Publisher : Faatuatua Media Karya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70404/ketik.v2i02.143

Abstract

E-katalog perpustakaan adalah salah satu aplikasi yang membantu pengguna untuk mencari koleksi buku atau informasi perpustakaan dengan lebih efisien melalui sistem berbasis elektronik. Salah satu tantangan dalam pengembangan e-katalog adalah meningkatkan kecepatan dan akurasi dalam pencarian data, khususnya dalam pencocokan string (teks) yang digunakan untuk mencari informasi katalog. Algoritma Knuth-Morris-Pratt (KMP) merupakan salah satu algoritma pencocokan string yang efisien untuk menyelesaikan masalah ini. Penelitian ini bertujuan untuk mengimplementasikan algoritma KMP dalam sistem e-katalog perpustakaan untuk meningkatkan performa pencarian data dan meminimalkan waktu respons. Hasil penelitian ini menyimpulkan bahwa Algoritma knuth morris pratt dapat membantu mempercepat pencocokan string, sehingga memperbaiki waktu respons dan efisiensi sistem pencarian data. Dengan demikian, penerapan algoritma ini dapat menjadi solusi yang baik dalam pengembangan e-katalog perpustakaan yang lebih cepat dan efisien.
Integrating SMOTE with XGBoost for Robust Classification on Imbalanced Datasets: A Dual-Domain Evaluation Siagian, Novriadi Antonius; Sipayung, Sardo P; Alex Rikki; Marbun, Nasib
Sinkron : jurnal dan penelitian teknik informatika Vol. 9 No. 3 (2025): Article Research July 2025
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v9i3.15029

Abstract

Class imbalance is one of the main challenges in classification problems, as it can reduce the model's ability to accurately identify minority classes and negatively impact the overall reliability of predictions. In response to this problem, this study proposes an integrated approach combining SMOTE and XGBoost to improve classification performance on imbalanced data. This approach aims to evaluate the impact of oversampling techniques on prediction accuracy and model sensitivity to class distribution. The evaluation was conducted using two public datasets representing different domains and different amounts of data, namely Spambase and Diabetes, to assess the effectiveness and generalization of the applied approach. The experimental results show that this integrated model consistently outperforms traditional comparison algorithms, with an F1 score of 0.94 and ROC-AUC of 0.98 on the Spambase dataset and ROC-AUC of 0.83 on the Diabetes dataset, with a good balance between precision and recall. The 10-fold cross-validation technique was applied to ensure objective performance estimates free from random data splitting bias. Additionally, this study highlights the importance of selecting appropriate evaluation metrics in the context of imbalanced data, as single accuracy often provides a misleading performance picture. This study makes a significant contribution by providing a benchmark for comparing the effectiveness of SMOTE-XGBoost integration using two different datasets, accompanied by rigorous cross-validation. These findings reinforce the position of integrating data preprocessing strategies and ensemble learning as a competitive and adaptive solution for addressing class imbalance challenges in data-driven classification systems.
Desktop Based Furniture Sales Information System (Case Study: Faiza Houseware & Furniture Store) Sembiring, Binaria Br; Marbun, Nasib
Journal of Computer Networks, Architecture and High Performance Computing Vol. 6 No. 3 (2024): Articles Research Volume 6 Issue 3, July 2024
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/cnahpc.v6i3.4000

Abstract

This study aims to build a desktop-based furniture sales information system at Faiza Houseware & Furniture Store. Toko Faiza Houseware & Furniture is one of the stores engaged in the sale of furniture products such as tables, benches, beds, and kitchen sets. Until now, Faiza Houseware & Furniture Store has not utilized information system technology to support its sales data processing. Toko Faiza Houseware & Furniture still utilizes ledgers to record furniture sales data reports that are made every day. So that data corruption and even data loss often occurs. The data collection techniques used are observation, interviews, and literature studies. The programming language that the author uses to build a desktop-based furniture sales information system that will be implemented at Toko Faiza Houseware & Furniture is Visual Basic .Net. Visual Basic Net is an object-oriented programming language that allows users to create applications with visual techniques. The tool used by the author as a data storage in the desktop-based furniture sales information system built is Microsoft Access. Data reports processed in the desktop-based furniture sales information system can be displayed and printed through Crystal Report. The results showed that the desktop-based furniture sales information system built in this study can improve operational performance and customer service by speeding up and simplifying the furniture sales process at Toko Faiza Houseware & Furniture.
Implementation of 3D Animation Video-Based Learning Media in the Introduction of Silat Martial Arts in the Brotherhood of Setia Hati Terate (PSHT) Sahputra, Rifaldi Arridho; Marbun, Nasib
Journal of Computer Networks, Architecture and High Performance Computing Vol. 6 No. 3 (2024): Articles Research Volume 6 Issue 3, July 2024
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/cnahpc.v6i3.4003

Abstract

Persaudaraan Setia Hati Terate (PSHT) is one of the organizations that has an important role in the development and preservation of martial arts in Indonesia. Saifullah An-Nahdliyah Islamic Boarding School is one of the educational institutions that organizes the teaching of martial arts of the Persaudaraan Setia Hati Terate (PSHT). However, in the learning process applied to the introduction of martial arts Silat Persaudaraan Setia Hati Terate at Saifullah An-Nahdliyah Islamic Boarding School, there are still problems that can affect the effectiveness of Silat martial arts learning for students, namely the unavailability of learning media that supports other than direct training at Saifullah An-Nahdliyah Islamic Boarding School. This study aims to implement 3D animation video-based learning media in the introduction of martial arts of the Setia Hati Terate Brotherhood at Saifullah An-Nahdliyah Islamic Boarding School. The data collection techniques used to obtain the research data needed in this study are observation techniques, interviews, documentation, and literature studies. 3D animation video for learning media introduction to martial arts Pencak Silat Persaudaraan Setia Hati Terate at Saifullah An-Nahdliyah Islamic Boarding School is made using Blender application. The concept of 3D animation video made in this research is to present the introduction of martial arts by making moving characters, which can be accessed offline.
Co-Authors Ade Yusupa Agniya Algifahri Ahmad Riza Fuadi Alex Rikki Ameiliani Dianira Barahama Angeline Yuhasnita Athik Gelamona Azhar Azhar Azlan, Azlan Bernad J. D. Sitompul Bernad J. D. Sitompul Bu'ulolo, Efori Chamdan Mashuri Chris Terok Cristy E. P. Bojoh Dedy Hartama Dessy Milbina Br Bangun Dwi Vernanda Efori Buulolo Eldo, Handry Elvira, Rika Gaol, Sedihati Kayan Lumban Ghosh, Ankush Ginting, Suranta Bill Fatric Hanni Tompunu Hasibuan, Nisma Novita Indra Jabinsan Sinaga Jonathan Kowaas Jontinus Manullang Kristofel Santa Kusumadewi, Ni Ketut Evi Lahagu, Edita Emilia Latumeten, Imanuel Lintang Patria Lintang Patria Mahulae, Mayanti Astika Manalu, Hery Buha Muasir Pagan Muhammad Zarlis Muhammad Zarlis Muhammad Zarlis NADYA VERONA VIANI KAMASI Nia Novianti Pandi Barita Nauli Simangunsong Pardede, Ilda Aprisya Pasaribu, Appril Cillia Pasaribu, Sutrisno Arianto Pozilova, Shahnoza Khaydaraliyevna Purba, Bister Purba, Bona Purwoko, Agus Rahmat Darmawan, Rahmat Rahmat Widia Sembiring - Randy Voller Surentu Rangkuti, Haris Munandar Riansyah, Muhammad Ricky Crist G Imanta Kembaren Rozi, Ahmad Rozy, Ahmad Sahputra, Rifaldi Arridho Saidi Ramadan Siregar Sedihati Kayan Lumbangaol Sembiring, Binaria Br Shahadi, Haider Ismael Siagian, Novriadi Antonius Sipayung, Sardo P Siti Munawarah Panggabean Sitompul, Bernad J. D. Soeb Aripin Sorongan, Dedi Suranta Bill Fatric Ginting Suranta Bill Fatric Ginting Tarigan, Apriyani Ripka Yustika Br Wahyu Riansah Wayne Kemur Yopi Hendro Syahputra