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Sekretariat JNATIA Gedung FMIPA Lantai 1, Program Studi Informatika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana
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INDONESIA
Jurnal Nasional Teknologi Informasi dan Aplikasinya
Published by Universitas Udayana
ISSN : 29863929     EISSN : 30321948     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Engineering
JNATIA (Jurnal Nasional Teknologi Informasi dan Aplikasinya) adalah jurnal yang berfokus pada teori, praktik, dan metodologi semua aspek teknologi di bidang ilmu komputer, informatika dan teknik, serta ide-ide produktif dan inovatif terkait teknologi baru dan teknologi informasi. Jurnal ini memuat makalah penelitian asli yang belum pernah diterbitkan. JNATIA (Jurnal Teknologi Informasi dan Aplikasinya) diterbitkan empat kali setahun (Februari, Mei, Agustus, November).
Arjuna Subject : Ilmu Komputer (semua kategori) - Aplikasi Ilmu Komputer
Articles 316 Documents
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Perancangan Aplikasi Tour Travel Nusa Tenggara Timur Berbasis Web Yasinta Anita Kewa Nilan; I Ketut Gede Suhartana
Jurnal Nasional Teknologi Informasi dan Aplikasinya Vol. 2 No. 1 (2023): JNATIA Vol. 2, No. 1, November 2023
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JNATIA.2023.v02.i01.p10

Abstract

East Nusa Tenggara (NTT) is a province in Indonesia which is rich in natural beauty, culture, and history. Even though NTT has tremendous tourism potential, challenges in the promotion and accessibility of tourist destinations are still a major concern. In today's digital era, web-based applications are tools that effectively facilitate the tourism industry by providing complete information, facilitating travel planning, and expanding the reach of promotions. Therefore, this web-based NTT travel tour application makes it easy for tourists to access information, compare options, and plan trips efficiently 
Sistem Pendukung Keputusan Menentukan Karyawan Kontrak Menjadi Karyawan Tetap dengan Algoritma Regresi Linear Berganda Anak Agung Made Krisna Astrawan; I Ketut Gede Suhartana
Jurnal Nasional Teknologi Informasi dan Aplikasinya Vol. 2 No. 1 (2023): JNATIA Vol. 2, No. 1, November 2023
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JNATIA.2023.v02.i01.p11

Abstract

This study aims to aid in decision-making for determining the employment status of contract employees versus permanent employees using the Multiple Linear Regression algorithm. The analysis shows that the independent variables, including Work Experience (X1), Education Length (X2), and Attendance (X3), strongly influence the dependent variable of Employee Status (Y). With a coefficient of determination of 0.734, the model explains 73.4% of the variation in Employee Status based on these variables. The integrated decision support system facilitates decision-making by providing recommendations based on user inputs. Application testing confirms the system's effectiveness in assisting decisions regarding the eligibility of contract employees for permanent employment. Overall, this research contributes to informed and accurate decision-making in employee status determination. 
Penerapan AES pada Sistem Keanggotaan Gym untuk Perlindungan Data Pribadi Deva Krishna Ananda; I Komang Ari Mogi
Jurnal Nasional Teknologi Informasi dan Aplikasinya Vol. 2 No. 1 (2023): JNATIA Vol. 2, No. 1, November 2023
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JNATIA.2023.v02.i01.p12

Abstract

The security of gym member data files is an important aspect of maintaining the privacy and security of personal information stored in the gym management system. In this study, we propose the application of the Advanced Encryption Standard (AES) algorithm as a solution to secure gym member data files. AES is an encryption algorithm known for its high security and has been extensively used in information security applications. In this implementation, each gym member's data files, such as profiles, addresses, and other personal information, will be encrypted using a secret key that only the system knows. With encryption using AES, even if the member's data file is stolen or accessed illegally, the information contained in it remains safe and cannot be read without the correct secret key. The results of the trial found that this application succeeded in encrypting some member data files with .pdf format into the. rda format, then decrypting them back into the original file form without changing the original file size. So, it can be shown that the use of the AES algorithm in securing gym member data files provides a high level of security and protects sensitive information from unauthorized parties. 
Analisis UI pada Perancangan Aplikasi Perpustakaan Cerita Rakyat “Kisahnesia” dengan Metode System Usability Scale Putu Bagus Rangga Permana Putra Astawan; I Komang Ari Mogi
Jurnal Nasional Teknologi Informasi dan Aplikasinya Vol. 2 No. 1 (2023): JNATIA Vol. 2, No. 1, November 2023
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JNATIA.2023.v02.i01.p13

Abstract

In order to preserve Indonesian culture and raise reading interest, website named Kisahnesia was created. This study focuses on analyzing the User Interface (UI) of the Kisahnesia application using the System Usability Scale (SUS) methodology. The objective of the study is to assess the usability of the application and determine the level of user satisfaction. The SUS questionnaire was administered to a sample of users, and based on the analysis of the collected data, the application obtained a score of 78.375. This score indicates that the Kisahnesia application has passed the usability test, demonstrating a high level of usability and user satisfaction. The findings suggest that the UI design of Kisahnesia is effective in providing a user-friendly and intuitive experience, contributing to the overall positive user perception of the application's usability. 
Optimasi Pencarian Rute Terpendek pada Provinsi Bali Menggunakan Algoritma Genetika Muhammad Caesar Gilang Indrawan; I Made Widiartha
Jurnal Nasional Teknologi Informasi dan Aplikasinya Vol. 2 No. 1 (2023): JNATIA Vol. 2, No. 1, November 2023
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JNATIA.2023.v02.i01.p14

Abstract

Bali is one of the most popular tourist destinations in Indonesia. Therefore, many local and international tourists visit Bali for holidays. Searching for the shortest route is needed for tourists who want to take a walk around the island of Bali. By getting the shortest route between the initial location and the destination location, the efficiency level of time needed to travel between the two locations will be better. Searching for the shortest route can be done by applying a genetic algorithm. Genetic algorithm is a method or technique of optimization and search based on the mechanism of natural genetic principles and natural selection. 
Evaluasi UI pada Prototype Aplikasi “WeCare” Menggunakan Metode SUS (System Usability Scale) Hammam Akmal Prathama; I Putu Gede Hendra Suputra
Jurnal Nasional Teknologi Informasi dan Aplikasinya Vol. 2 No. 1 (2023): JNATIA Vol. 2, No. 1, November 2023
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JNATIA.2023.v02.i01.p15

Abstract

The user interface is one of the most important factors in building an application. A good user interface has aspects of clarity, conciseness, easy recognition, responsiveness, consistency and has aesthetic content. Without careful preparation and design, certain applications cannot run optimally, and can even cause users to switch to other applications. To evaluate the user interface of an application, we can use many methods. One of them is SUS (System Usability Scale). This method provides a “quick and dirty”, reliable tool for measuring usability. The purpose of this study is to evaluate the quality of the User Interface design on the WeCare Application. Evaluation of the quality of the User Interface design will be carried out using the SUS or System Usability Scale method. Evaluation of quality on the usability aspect is carried out using the SUS questionnaire as an assessment standard. The results of this assessment will determine whether the UI design of the WeCare Application is appropriate or not. Based on the survey conducted, the calculation of the usability value of the WeCare application UI design that was tested using the SUS (System Usability Scale) method obtained an average SUS score of 78,33. By obtaining acceptability ranges in the acceptable category, the grade scale is in class B, and adjective rating is in the good category. 
Perancangan Desain Antarmuka Aplikasi Mobile DestiGuide Menggunakan Pendekatan User Centered Design Charles Alexander Ririmasse; I Wayan Santiyasa
Jurnal Nasional Teknologi Informasi dan Aplikasinya Vol. 2 No. 1 (2023): JNATIA Vol. 2, No. 1, November 2023
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JNATIA.2023.v02.i01.p16

Abstract

Traveling is considered a delightful activity to engage in during leisure time. By employing a UserCentered Design approach, the developed tourism application has successfully delivered a satisfying user experience. This method allowed the developers to focus on users' needs, preferences, and enjoyment while designing and developing the application. The results obtained from the System Usability Scale (SUS) measurement yielded an average score of 77,5 from a total of 20 respondents. This indicates that the application possesses good usability and is relatively easy to navigate for users. Although there is room for further improvement, this conclusion suggests that the application has achieved its main goal of providing a seamless and responsive user experience in searching, exploring, interacting, and obtaining information about various tourist destinations. 
Perancangan UI/UX Aplikasi SISAKTI-NG Layanan Sistem Informasi Point SKP Universitas Udayana Ananda Putra; I Wayan Santiyasa
Jurnal Nasional Teknologi Informasi dan Aplikasinya Vol. 2 No. 1 (2023): JNATIA Vol. 2, No. 1, November 2023
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JNATIA.2023.v02.i01.p17

Abstract

SISAKTI-NG is an information system for managing SKP (Satuan Kredit Partisipasi) at Udayana University. Currently, SISAKTI-NG is only available as a web-based application and does not have a mobile version. Based on a survey conducted among several Udayana University students, the author concluded that the website's interface of SISAKTI-NG is unattractive and dull. Therefore, the author is interested in designing the User Interface (UI) and User Experience (UX) for the SISAKTI-NG information system. Through this research, it is hoped that the SISAKTI-NG application can be improved in terms of its visual appearance to become more appealing and modern, meeting the needs and providing a comfortable user experience for Udayana University students. This research adopts prototyping and modeling methods. Based on the survey conducted, the calculation of the usability value of the UI/UX design of the SISAKTI-NG application which was tested using the SUS (System Usability Scale) method obtained an average SUS score of 77.25, NPS value with passive results, Acceptable, adjective value with results good, and the grade gets a B. This research has received positive reviews from SISAKTING users when compared to the previous interface design. 
Aplikasi Ekstraksi Fitur Citra Buah Berbasis Website Menggunakan Metode Histogram I Made Wahyu Purnama Putra; I Wayan Supriana
Jurnal Nasional Teknologi Informasi dan Aplikasinya Vol. 2 No. 1 (2023): JNATIA Vol. 2, No. 1, November 2023
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JNATIA.2023.v02.i01.p18

Abstract

Image recognition and feature extraction of fruits using histogram methods have garnered significant attention in the fields of agriculture, food industry, and image processing. The Histogram method is an effective approach in automatically identifying unique characteristics of each fruit. Previous studies have demonstrated the success of histogram method in fruit image recognition based on color, texture, and shape. In this research, we propose the use of histogram method for fruit image feature extraction. We utilize secondary data consisting of fruit images such as apple, banana, mango, orange, papaya, melon, and watermelon, obtained from publicly available research datasets. We conduct a literature review to deepen our understanding of the histogram method and implement feature extraction steps such as mean, standard deviation, energy, entropy, and skewness. The authors developed a web-based application using Python programming language with the Django framework to perform fruit image feature extraction. This application allows users to upload fruit images, perform image pre-processing, and extract features using the histogram method. The extracted feature results are stored in a database for further use. Through this application, we successfully extract features from fruit images, such as banana, using the histogram method. The extracted feature results include mean, standard deviation, energy, entropy, and skewness. These results can be utilized in further research and training machine learning models to recognize and classify various types of fruits with high accuracy. 
Perancangan Tampilan Antarmuka pada Aplikasi Selfqure dengan Menerapkan Metode Design Thinking I Gede Arisudana Samanjaya; Ida Bagus Gede Dwidasmara
Jurnal Nasional Teknologi Informasi dan Aplikasinya Vol. 2 No. 1 (2023): JNATIA Vol. 2, No. 1, November 2023
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JNATIA.2023.v02.i01.p19

Abstract

Mental health disorders in adolescents are influenced by factors such as social pressure, identity exploration, violence, harsh parenting, and socio-economic problems. The lack of understanding and stigma surrounding mental health issues often leads adolescents to avoid discussing their problems, resulting in potential risks to their well-being. To address this, the development of mobile applications like "Selfqure" focuses on providing information and treatment for mental health problems in adolescents. By utilizing design thinking principles, the application aims to enhance user experience and interface, increase understanding, reduce stigma, and improve access to support. Usability testing of the app yielded a score of 82, indicating satisfactory acceptance and usability among the target age group. This highlights the importance of innovative solutions to tackle mental health challenges and promote well-being in adolescents. 

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