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All Journal Abdimas Scientific Journal of Informatics Jurnal Informatika Universitas Pamulang MITRA: Jurnal Pemberdayaan Masyarakat J-SAKTI (Jurnal Sains Komputer dan Informatika) J-Dinamika: Jurnal Pengabdian Kepada Masyarakat Jurnal Mantik Reswara: Jurnal Pengabdian Kepada Masyarakat Bakti Cendana: Jurnal Pengabdian Masyarakat Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) Yumary: Jurnal Pengabdian kepada Masyarakat Jurnal Abdimas Bina Bangsa J-SAKTI (Jurnal Sains Komputer dan Informatika) Jurnal Ekonomi Jurnal Info Sains : Informatika dan Sains JITSI : Jurnal Ilmiah Teknologi Sistem Informasi Jurnal Pengabdian Masyarakat Charitas
Denny Jean Cross Sihombing
Atma Jaya Catholic University Of Indonesia
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Nursing Public Health Social Sciences Other

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MENGIMPLENTASIKAN GERAKAN LITERASI SEKOLAH DI SDN PANTAI BAHAGIA 04 KECAMATAN MUARAGEMBONG Hapsari Wijayanti, Sri; Setiyaningrum, Ari; Sihombing, Denny Jean Cross; Winson, Dimas Catur; Manurung, Lusya Anggraeny
Jurnal Abdimas Bina Bangsa Vol. 5 No. 2 (2024): Jurnal Abdimas Bina Bangsa
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/jabb.v5i2.1199

Abstract

The School Literacy Movement (GLS) is an Indonesian government program that fosters a liking for reading at all levels of education. In its implementation until now, many schools have not been able to implement it under the guidelines provided. SDN Pantai Bahagia 04 in Pantai Bahagia Village, Muaragembong District, Bekasi Regency, West Java, does not yet have a library. Teachers with their limitations have carried out reading activities for fifteen minutes of school textbooks before learning. This activity aims to promote literacy at SDN Pantai Bahagia 04 in Muaragembong sub-district, Bekasi district, by fulfilling the physical, social-affective, and academic environment aspects. A total of ten teachers were involved in the activity, which took place from June to August 2024. The method applied was GLS training and its implementation. The stages of this activity include training with tutorial, practice, and monitoring-evaluation. The knowledge test results on GLS showed that teachers' knowledge and understanding still needed improvement. However, in its implementation, teachers have practiced various reading techniques, created a classroom atmosphere with a literacy theme, and created fun activities after reading. Until now, the library has not been opened for students to read because data is still being finalized in the SLiMS and library administration. Nevertheless, the existing books can run GLS in their respective classrooms. Based on the conditions of students and schools, teachers understand the actual implementation of GLS. They are still in the process of realizing the physical, socio-affective, and academic environments
Pelatihan Content creator dan Video Profesional bagi Siswa SMA/SMK Sutresno, Stephen Aprius; Suni, Eugenius Kau; Bata, Julius Victor Manuel; Airlangga, Gregorius; Christanto, Henoch Juli; Sihombing, Denny Jean Cross; Piolo, Samuel
Yumary: Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 2 (2024): Desember
Publisher : Penerbit Goodwood

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35912/yumary.v5i2.2882

Abstract

Purpose: This training for social media content creators and professional video production techniques is conducted with the aim of providing motivation and insights into the tricks and techniques needed to become a content creator. The goal is for the participants, who are high school students, to utilize their gadgets and time more constructively rather than for consumptive purposes. Methodology: Organized by the Information Systems Department of Atma Jaya Catholic University of Indonesia, this training will be held at Campus 3 BSD Unika Atma Jaya on Saturday, November 25, 2023. Targeting 60 to 100 high school students from Banten, the activity will be evaluated using pre-tests and post-tests, calculated manually using the average formula. Results: The result of the training activity went smoothly and achieved the initial target of being attended by 90 active participants. The selection of speakers for the training was also appropriate, matching their expertise, and they were able to deliver the material clearly using various real-life examples. The evaluation results of the activity showed that the post-test scores increased by 43.7% compared to the pre-test scores. Therefore, it can be concluded that the participants understood what was conveyed by the speakers. Conclusions: The right resource persons and interactive learning methods contributed to the effectiveness of the training. The success of this activity shows a positive impact in increasing the creativity and productivity of the younger generation in utilizing gadgets constructively. Limitations: Due to time and budget constraints, the activity was not conducted with direct hands-on practice in the form of a workshop. Additionally, the target participants were limited to the surrounding area, specifically high school students in the Banten region. Contribution: This training gives high school students broader insights, enabling them to use their gadgets and time positively. It also equips them to become content creators by learning professional video production and social media management skills.
Development of an Application for Document Management in Construction Companies Using Prototyping Method Sihombing, Denny Jean Cross
J-SAKTI (Jurnal Sains Komputer dan Informatika) Vol 7, No 2 (2023): EDISI SEPTEMBER
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/j-sakti.v7i2.696

Abstract

This research aims to develop a document management application solution in the context of a construction company. Using a prototyping-based software development approach, this research describes the steps from requirements analysis, prototype design, and testing to final evaluation. Testing involved performance, security, and usability tests that proved the quality and effectiveness of the application. The initial post-launch evaluation results showed positive responses from test users regarding ease of use and functionality. Based on the data, 80% of the users found the user interface easy to understand, while 75% indicated a positive level of acceptance towards the app. The main contribution of this research lies in developing an application capable of optimizing document management and operational efficiency in the construction industry. Prospectively, this research provides insights into the potential use of AI and data analytics technologies in future research
Development of an Application for Document Management in Construction Companies Using Prototyping Method Sihombing, Denny Jean Cross
J-SAKTI (Jurnal Sains Komputer dan Informatika) Vol 7, No 2 (2023): EDISI SEPTEMBER
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/j-sakti.v7i2.696

Abstract

This research aims to develop a document management application solution in the context of a construction company. Using a prototyping-based software development approach, this research describes the steps from requirements analysis, prototype design, and testing to final evaluation. Testing involved performance, security, and usability tests that proved the quality and effectiveness of the application. The initial post-launch evaluation results showed positive responses from test users regarding ease of use and functionality. Based on the data, 80% of the users found the user interface easy to understand, while 75% indicated a positive level of acceptance towards the app. The main contribution of this research lies in developing an application capable of optimizing document management and operational efficiency in the construction industry. Prospectively, this research provides insights into the potential use of AI and data analytics technologies in future research
The Analysis of Technology Acceptance SIDESA Application Using the Technology Acceptance Model 2 Method Sihombing, Denny Jean Cross
Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) Vol 8, No 2 (2023): Edisi Agustus
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/jurasik.v8i2.647

Abstract

SIDESA is a village information system that aims to assist village governments in managing information and data related to various aspects of village life. The goal is to improve administrative efficiency, community services, and decision-making at the village level. On the other hand, the digital divide in society affects the acceptance of technology in rural communities. Application technology acceptance analysis is necessary to understand how users and related parties will accept technology applications. This is done to identify technology applications' potential success or failure before they are widely launched. This research uses the TAM 2 technology acceptance model; data collection is done by distributing questionnaires online via google forms to the system user community. The data obtained were 133 respondents, and data processing was carried out using SmartPLS tools. The results showed a significant influence between Subjective Norm on Image, Output Quality on Perceived Usefulness, Perceived Ease of Use on Perceived Usefulness, Perceived Usefulness on Intention to Use, Perceived Ease of Use on Intention to Use, Intention to Use on Usage Behavior, and Experience on Intention to Use so that the acceptance of the SIDESA application has an effect based on the factors of usefulness (Perceived Usefulness), ease (Perceived Ease of Use), experience (Experience), Interest (Intention to Use), and the accuracy of the information presented (Output Quality).
Analyzing E-Commerce Customer Loyalty Using The E-Service Quality Method Sibara, Lisa; Sihombing, Denny Jean Cross
Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) Vol 8, No 2 (2023): Edisi Agustus
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/jurasik.v8i2.650

Abstract

Indonesia is a country of e-commerce service users that occupies the first globally. In Indonesia's increasingly fierce e-commerce competition, users are faced with various choices, so user loyalty in using one application is critical. Therefore, it is necessary to analyze user loyalty in e-commerce. This study measures customer loyalty to e-commerce, especially the Bukalapak application. This research uses a purposive sampling technique and an e-service quality measurement method. The results of this study are of the eight hypotheses proposed; there are five rejected hypotheses, namely the variables tangible, reliability, responsiveness, assurance, and fulfillment have no positive effect on satisfaction, and there are three accepted hypotheses, namely the variables privacy, compensation, and contact have a positive effect on satisfaction
Enhancing UAV Communication Security: Multi-Label Anomaly Detection Using Machine Learning in Imbalanced Data Environments Airlangga, Gregorius; Sihombing, Denny Jean Cross; Nugroho, Oskar Ika Adi
Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) Vol 10, No 1 (2025): Edisi Februari
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/jurasik.v10i1.883

Abstract

Unmanned Aerial Vehicle (UAV) communication networks are increasingly vulnerable to cyber threats, including spoofing, jamming, malware, and distributed denial-of-service (DDoS) attacks. Effective anomaly detection is crucial to maintaining network integrity and operational security. This study evaluates multiple machines learning models, including Support Vector Machines, Logistic Regression, XGBoost, Gradient Boosting, and Random Forest, to detect anomalies in UAV communication networks. A real-world dataset containing 44,016 instances of network telemetry and security indicators was utilized, with each instance labeled for multiple potential anomalies. Experimental results reveal a significant class imbalance, where models achieve high accuracy (92%) but fail to detect minority class anomalies, yielding near-zero recall scores for critical cyber threats. The study highlights the limitations of traditional classifiers in imbalanced multi-label classification tasks and emphasizes the need for advanced techniques such as Synthetic Minority Over-sampling (SMOTE), cost-sensitive learning, and deep learning-based anomaly detection. The findings suggest that conventional machine learning approaches alone are insufficient for reliable anomaly detection in UAV networks, necessitating hybrid solutions that integrate multiple detection paradigms. Future work should explore adaptive ensemble learning methods and deep anomaly detection frameworks to improve recall and precision for rare cybersecurity threats.
Application of Feature Engineering Techniques and Machine Learning Algorithms for Property Price Prediction Sihombing, Denny Jean Cross
JITSI : Jurnal Ilmiah Teknologi Sistem Informasi Vol 5 No 2 (2024)
Publisher : SOTVI - Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62527/jitsi.5.2.241

Abstract

This research applies feature engineering techniques and machine learning algorithms to predict property prices using a dataset from Kaggle. Three models were implemented: Linear Regression, Decision Tree, and Random Forest. The Random Forest model demonstrated the best performance with an average Mean Absolute Error (MAE) of 16472.76, Mean Squared Error (MSE) of 457407807.78, and R-squared (R²) of 0.83. Key features influencing property prices were identified through feature importance analysis, providing valuable insights for enhancing property appraisals and investment decisions.
Optimasi Pelayanan Masyarakat melalui Pengembangan Sistem Informasi Desa: Menuju Tata Kelola Desa Yang Baik Sihombing, Denny Jean Cross; Bata, Julius Victor Manuel; Tandjaya, Winston
Bakti Cendana Vol 8 No 2 (2025): Bakti Cendana: Jurnal Pengabdian Masyarakat
Publisher : LPPM Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/bc.8.2.2025.171-179

Abstract

Kegiatan Pengabdian kepada Masyarakat ini mengungkap hasil implementasi Sistem Informasi Desa (SID) di Desa Hiteurat untuk meningkatkan pelayanan publik, partisipasi masyarakat, dan pembangunan berkelanjutan di tingkat desa. Melalui sosialisasi dan pelatihan, kesadaran masyarakat tentang pentingnya SID dalam pelayanan publik dan partisipasi dalam pembangunan ditingkatkan. Implementasi SID berdampak positif pada aksesibilitas informasi bagi warga desa, efisiensi pelayanan publik, dan partisipasi aktif masyarakat melalui platform tersebut. Pelatihan juga berhasil meningkatkan literasi digital masyarakat, memungkinkan mereka memanfaatkan teknologi informasi dengan lebih percaya diri. Hasil ini menunjukkan bahwa implementasi SID bukan hanya tentang teknologi, tetapi juga pemberdayaan masyarakat dalam pembangunan, menciptakan dasar kuat untuk pelayanan publik yang unggul, partisipasi yang inklusif, dan pembangunan desa berkelanjutan
Development of Construction Inventory Application with Rapid Application Development Method Sihombing, Denny Jean Cross
Jurnal Informatika Universitas Pamulang Vol 8 No 3 (2023): JURNAL INFORMATIKA UNIVERSITAS PAMULANG
Publisher : Teknik Informatika Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/informatika.v8i3.34375

Abstract

The construction industry plays a pivotal role in developing essential physical infrastructure and public facilities. Efficient inventory management is crucial for the growth and productivity of this industry. However, construction inventory management faces complex challenges due to the frequent project changes and coordination demands. Many construction companies still rely on manual processes or outdated software, leading to calculation errors, reporting delays, and an inability to swiftly adapt to project changes. To address these issues, this research introduces the Construction Inventory Application, developed using the Rapid Application Development (RAD) approach. This specialized application enhances construction inventory management by allowing rapid development, user involvement, early testing, and customization to meet unique project needs. The study demonstrates that the RAD-based Construction Inventory Application has the potential to significantly improve construction inventory management, minimizing risks associated with inefficiencies. This research contributes to advancing application development in the construction industry, aiding in efficient infrastructure development.
Co-Authors Airlangga, Gregorius Albertus Joko Santoso, Albertus Joko Ari Setiyaningrum Bata, Julius Victor Manuel Christanto, Henoch Juli Christine Dewi Christine Natalia Dominikus Vieri Tegar Linestyo Eugenius Kau Suni Hapsari Wijayanti, Sri Henoch Juli Christanto Indriati, Kumala Julius Bata Julius Victor Manuel Bata Linestyo, Dominikus Vieri Tegar Lisa Sibara Manurung, Lusya Anggraeny Nugroho, Oskar Ika Adi Pandjaitan, MM Lanny W Philia, Gregoria Pijar Karisma Prihanto Piolo, Samuel Prihanto, Pijar Karisma Riana Magdalena Sapty Rahayu, Sapty Setiawan, Yohanes Evan Sibara, Lisa Sri Mulyanti Stephen Aprius Sutresno, Stephen Aprius Suni, Eugenius Kau Tandjaya, Winston Winson, Dimas Catur