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All Journal International Journal of New Media Technology Jurnal ULTIMATICS Jurnal ULTIMA Computing Jurnal Bumigora Information Technology (BITe) Jurnal Widya Jurnal Sains dan Teknologi Widyaloka (JSTekWid)
Fenina Adline Twince Tobing
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Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation

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Analisis Perbandingan Efisiensi Algoritma Brute Force dan Divide and Conquer dalam Proses Pengurutan Angka Fenina Adline Twince Tobing; James Ronald Tambunan
Ultimatics : Jurnal Teknik Informatika Vol 12 No 1 (2020): Ultimatics : Jurnal Teknik Informatika
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1071.13 KB) | DOI: 10.31937/ti.v12i1.1585

Abstract

Abstrak— Perbandingan algoritma dibutuhkan untuk mengetahui tingkat efisiensi suatu algoritma. Penelitian ini membandingkan efisiensi dari dua strategi algoritma sort yang sudah ada yaitu brute force dan divide and conquer. Algoritma brute force yang akan diuji adalah bubble sort dan selection sort. Algoritma divide and conquer yang akan diuji adalah quick sort dan merge sort. Cara yang dilakuakn dalam penelitian ini adalah melakukan tes dengan data sebanyak 50 sampai 100000 untuk setiap algoritma. Tes dilakukan dengan menggunakan bahasa pemrograman JavaScript. Hasil dari penelitian ini adalah algoritma quick sort dengan strategi divide and conquer memiliki efisiensi yang baik serta running time yang cepat dan algoritma bubble sort dengan strategi brute force memiliki efisiensi yang buruk serta running time yang lama. Kata Kunci – Efisiensi, algoritma, brute force, divide and conquer, bubble sort, selection sort, quick sort, merge sort
Perbandingan Algoritma Convex Hull: Jarvis March dan Graham Scan Fenina Adline Twince Tobing; Prayogo .
Ultimatics : Jurnal Teknik Informatika Vol 12 No 2 (2020): Ultimatics : Jurnal Teknik Informatika
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/ti.v12i2.1800

Abstract

Comparison of algorithms is needed to determine the level of efficiency of an algorithm. The existence of a speed comparison in an algorithm that will make a unique shape is sometimes a problem that must be solved by comparing one algorithm with another. This problem can be solved by using Jarvis March and Graham Scan where this algorithm will create a unique shape of a point followed by testing the speed comparison of the two algorithms and the result can be stated that the Graham Scan algorithm in general works faster than the algorithm Jarvis March.
Penerapan Metode Fuzzy AHP untuk Sistem Pendukung Keputusan Pemilihan Pemasok Terbaik Fenina Adline Twince Tobing; M Iqbal Dzulhaq; Ramzi Fajar Sidiq
Ultima Computing : Jurnal Sistem Komputer Vol 11 No 2 (2019): Ultima Computing : Jurnal Sistem Komputer
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (623.896 KB) | DOI: 10.31937/sk.v11i2.1455

Abstract

Keberadaan pemasok sangat menentukan kelancaran proses produksi dan produk yang akan dihasilkan. Masalah yang dihadapi perusahaan adalah proses evaluasi atau pemilihan pemasok terbaik masih bersifat manual, sulitnya menentukan pemasok mana yang memiliki performansi terbaik, keterlambatan datangnya bahan baku mengakibatkan keterlambatan proses produksi yang berujung pada tidak tercapainya jumlah produksi. Pada penelitian ini dibangun Sistem Pendukung Keputusan (SPK) untuk pemilihan pemasok terbaik menggunakan 4 kriteria yang disesuaikan dengan kondisi dan kebutuhan perusahaan yaitu harga, stok, delivery, dan mutu. Masing-masing kriteria tersebut akan dibobotkan menggunakan metode Fuzzy AHP. Pada implementasinya dihasilkan bobot kriteria harga sebesar 0,632, stok 0,352, delivery 0,084, mutu 0,107. Hasil pembobotan ini akan digunakan untuk mendukung penilaian pemasok terbaik dan akan diperoleh nilai masing-masing pemasok sehingga diketahui siapa pemasok terbaik
Sentiment; Clustering; K-Means Analysis Sentiment in Bukalapak Comments with K-Means Clustering Method Rena Nainggolan; Fenina Adline Twince Tobing; Eva J.G Harianja
IJNMT (International Journal of New Media Technology) Vol 9 No 2 (2022): IJNMT : International Journal of New Media Technology)
Publisher : Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/ijnmt.v9i2.2914

Abstract

Technological development are very fast ini this era of globalization, to facilitate the work of many aspevt that can be utilized, as well as for the flow of information. By applying computer technology in varios fields, such as educations, entertainment, healt, tourism, culinary and so on. Clustering id one of the Data Mining techniques. Clustering works by combining a number of data or objects into one cluster, with the aim that each data ini one cluster will have data that is a similar as possible and different from data or objects in other groups. K-Means Clustering has the ability to perform computations that are relatively fast and efficient in combining large amounts of data. In this research, there are 1407 comments which will training data and testing data.
Optimizing Patient Registration Process through Online Admission Application: A Scrum Approach Suwito Pomalingo; Fenina Adline Twince Tobing
Jurnal Bumigora Information Technology (BITe) Vol 5 No 1 (2023)
Publisher : Prodi Ilmu Komputer Universitas Bumigora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30812/bite.v5i1.3007

Abstract

Background: The healthcare environment is dynamic and often changes rapidly, whether in terms of regulation, technology or patient needs. Handling these changes and iterations in a short period of time and without disrupting hospital operations is quite a challenge.Objective: The research was conducted with the aim of optimizing the patient registration process at Bahagia Hospital in Makassar through an online system.Methods: The focus of this research was the application of the Scrum method in developing the application. Various methods were employed in this study, including observation, literature review, and interviews to gather user requirements. In the application development process, a series of sprints comprising planning, execution, review, and retrospection stages were carried out. The resulting application was able to quickly respond to user needs and improve services for patients.Result: The test results showed a success rate of 90% in achieving sprints within the specified time frame, indicating that the team was able to meet the set targets in each sprint.Conclusion: The effectiveness of the Scrum method in developing this application was affirmed in this study, thus it can be utilized for future development of similar applications.
The Determinants of Student Test Scores: Academic, Family, and Learning Environment Factors a Multiple Linear Regression Analysis Rena Nainggolan; Fenina Adline Twince Tobing
IJNMT (International Journal of New Media Technology) Vol 13 No 1 (2026): Vol 13 No 1 (2026): IJNMT (International Journal of New Media Technology)
Publisher : Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/ijnmt.v13i1.4762

Abstract

This study aims to analyze the influence of academic, family, and learning environment factors on student exam scores. The study employs a quantitative approach using secondary data in the form of the Student Performance Factors dateset comprising 6,607 observations. The dependent variable in this study is student exam scores (Exam_Score) [1], while the independent variables include study hours (Hours_Studied), attendance (Attendance), previous scores (Previous_Scores), tutoring sessions (Tutoring_Sessions), parental involvement (Parental_Involvement), and access to learning resources (Access_to_Resources) . The analytical techniques used were descriptive statistics and multiple linear regression. The results indicate that the regression model is statistically significant simultaneously with an F-value of 1,601 and p < 0.001, and explains 66.0% of the variation in students’ exam scores (R² = 0.660). Partially, study hours, attendance, previous scores, and tutoring sessions have a positive and significant effect on test scores. Additionally, students with higher levels of parental involvement and access to learning resources tend to achieve better test scores [2] . These findings indicate that students’ academic achievement is not solely determined by individual study effort but is also influenced by family support and the availability of an adequate learning environment.
Implementation of Ergonomic Criteria for Evaluating the Logistic Mobile App User Interface Design Hany Alexandra; Muhammad Ulil Amri; Fadhilah Eka Putri; Andi Jamiati Paramita; Rena Nainggolan; Fenina Adline Twince Tobing
IJNMT (International Journal of New Media Technology) Vol 12 No 2 (2025): Vol 12 No 2 (2025): IJNMT (International Journal of New Media Technology)
Publisher : Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/ijnmt.v12i2.4593

Abstract

The rapid growth of digital logistics has increased dependence on mobile delivery applications to manage shipments, package information, and courier operations under strict time constraints. Nowdays, ergonomic and usable user interface design is essential to reduce cognitive load, minimize errors, and maintain operational efficiency. However, empirical usability research focusing specifically on delivery service applications remains limited, particularly studies conducted in realistic usage contexts. This study evaluates the ergonomic quality of a mobile delivery application using online usability testing. A quantitative evaluation framework is applied, employing three established metrics: the System Usability Scale (SUS), task completion time, and error rate. These measures capture perceived usability, interaction efficiency, and error occurrence during representative delivery-related tasks. The findings reveal key usability issues related to navigation structure, information presentation, and interaction flow that negatively affect user performance. The result, study proposes data-driven UI design improvements aimed at enhancing clarity, efficiency, and cognitive ergonomics. The novelty is its integration of online usability testing with ergonomic evaluation in the delivery application domain, an area that remains underrepresented in recent human–computer interaction research. The outcomes provide scalable evaluation benchmarks and practical design guidance to support the development of more efficient, user-friendly, and ergonomically appropriate mobile delivery applications.
The The Impact of Super Golden Ratio Implementation on User Satisfaction: A Study of Horizontal Scrolling in Bacana User Interface (UI) Design Farizah Farha Mahdi; Andi Jamiati Paramita; Furqan Zakiyabarsi; Hany Alexandra Philemon; Rena Nainggolan; Fenina Adline Twince Tobing
IJNMT (International Journal of New Media Technology) Vol 12 No 2 (2025): Vol 12 No 2 (2025): IJNMT (International Journal of New Media Technology)
Publisher : Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/ijnmt.v12i2.4599

Abstract

Abstract— Low reading interest in Indonesia (0.001%) demands innovation in digital literacy applications like Bacana. However, Bacana's current interface remains conventional, potentially limiting user satisfaction. This study aims to evaluate the implementation of the Super Golden Ratio (ψ≈1.4656) and horizontal scrolling navigation to enhance aesthetics and user experience. The research method involved instrument testing with high reliability (Cronbach’s α>0.94) and linear regression analysis. The results indicate that all regression assumptions were met, showing no heteroscedasticity or autocorrelation, with a significant linear relationship (p<0.001). Empirical findings prove that the combination of the Super Golden Ratio and horizontal scrolling effectively improves readability, interaction smoothness, and user satisfaction. This study provides a strategic contribution to UI/UX development for literacy applications by utilizing mathematical ratios to achieve better visual harmony and navigational efficiency.
ANDROID SHORTCUT APPLICATION DEV ANDROID SHORTCUT APPLICATION DEVELOPMENT AS A MEDIUM FOR RELIGIOUS INFORMATION USING THE APPSGEYSER PLATFORM : ANDROID SHORTCUT APPLICATION DEVELOPMENT AS A MEDIUM FOR RELIGIOUS INFORMATION USING THE APPSGEYSER PLATFORM Imam Mualim; Nuari Anisa Sivi; Nurkaif; Rena Nainggolan; Fenina Adline Twince Tobing
IJNMT (International Journal of New Media Technology) Vol 12 No 2 (2025): Vol 12 No 2 (2025): IJNMT (International Journal of New Media Technology)
Publisher : Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/ijnmt.v12i2.4611

Abstract

The development of information and communication technology has encouraged the use of mobile devices as a medium for disseminating information, including in the religious field [10]. Today's society requires fast, practical, and easy-to-use access to religious information through Android-based smartphones [6]. This study aims to develop a shortcut-based Android application as a medium for religious information by utilizing the AppsGeyser platform [7]. The development method used includes needs analysis, application design, implementation, and functional testing of the application using a Research and Development (R&D) approach [3]. The results of the study indicate that the Android shortcut application is able to present religious information effectively, is easily accessible, and is lightweight to use without requiring high device specifications.
Analisis efisiensi pencarian greatest common divisor dengan metode euclidean algorithms, middle school procedure dan CIC Fenisa Lourence Br Tobing; Alex Chandra; Fenina Adline Twince Tobing; Rena Nainggolan; Unknown Prayogo
Jurnal Sains dan Teknologi Widyaloka (JSTekWid) Vol. 1 No. 1 (2022): Vol 1 No 1 (2022)
Publisher : Akademi Manajemen Informatika dan Komputer Widyaloka

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Permasalahan yang ada saat mencari GCD sangatlah beragam, untuk itu perlu diteliti metode mana yang efisiensinya paling tinggi untuk setiap masalah yang ada saat mencarinya. Efisiensi yang kita cari dilihat dari faktor pemakaian memori dan waktu dalam menjalankan algoritma tersebut. Dalam penelitian ini, digunakam tiga metode tersebut dalam mencari Greatest Common Divisor (GCD) yaitu Euclidean Algorithms, Consecutive Integer Checking (CIC) dan Middle School Procedure. Hasil penelitian menunjukkan bahwa metode Consecutive Integer Checking menggunakan waktu yang paling sedikit dibandingkan dua metode lainnya, tetapi metode ini menggunakan memori yang sangat banyak daripada metode lain sehingga metode ini tidak dapat dikatakan sebagai metode yang paling efisien. Metode Euclidean Algorithms adalah metode yang paling efektif karena tidak memerlukan waktu yang banyak dan memori yang digunakan juga sedikit.
Co-Authors Alex Chandra Andi Jamiati Paramita Eva Julia Gunawati Harianja Fadhilah Eka Putri Farizah Farha Mahdi Fenisa Lourence Br Tobing Fenisa Lourence Tobing Furqan Zakiyabarsi Hany Alexandra Hany Alexandra Philemon Imam Mualim James Ronald Tambunan Jimmy Peranginangin M Iqbal Dzulhaq Muhammad Ulil Amri Nuari Anisa Sivi Nurkaif Paramita, Andi Jamiati Pomalingo, Suwito Prayogo . Ramzi Fajar Sidiq Rena Nainggolan Rena Nainggolan Unknown Prayogo