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All Journal Jurnal Ilmu Komputer (JELIKU) Jurnal Elektronik Ilmu Komputer Udayana Jurnal Pendidikan Teknologi dan Kejuruan JUTI: Jurnal Ilmiah Teknologi Informasi SINTECH (Science and Information Technology) Journal JISA (Jurnal Informatika dan Sains) Jurnal Pengabdian Informatika (JUPITA) Jurnal Nasional Teknologi Informasi dan Aplikasinya
I Putu Gede Hendra Suputra
Universitas Udayana
Humanities Computer Science & IT Control & Systems Engineering Dentistry Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Library & Information Science Other

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Analisa UI dalam Perancangan Aplikasi Ekspor Hasil Laut “FishGo!” dengan Metode SUS Nanda, Ketut Agus Cahyadi; Suputra, I Putu Gede Hendra
Jurnal Nasional Teknologi Informasi dan Aplikasnya Vol 1 No 3 (2023): JNATIA Vol. 1, No. 3, Mei 2023
Publisher : Informatics Study Program, Faculty of Mathematics and Natural Sciences, Udayana University

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Abstract

This research discusses the development of the Fish Go! application, which aims to facilitate fishermen in finding market opportunities, particularly within the business sector. The author identifies several challenges faced by fishermen in terms of marketing and selling their catch. Additionally, there are opportunities to meet the demand for marine products in the tourism sector in Indonesia. The Fish Go! The application seeks to integrate fishermen and the business sector into a single digital platform, with the goal of expanding the fishermen's market reach and providing convenience for buyers in obtaining fresh and high-quality seafood. This research involves a literature study to gain a deeper understanding of application interface analysis and usability in general. The User Journey Map method is used to identify the problems faced by potential users of the Fish Go! application. The usability testing phase was conducted using the System Usability Scale (SUS) method, involving the distribution of questionnaires to 20 respondents. The quantitative data obtained from the SUS scores indicate that the Fish Go! the application has a good level of usability and is suitable for further development, with an average SUS score of 84, exceeding the average threshold for usability testing. The results of this research show that the Fish Go! this application has the potential to support partnerships between fishermen and the business sector in utilizing marine resources in Indonesia. By leveraging technology and digital platforms, it is expected to improve efficiency and provide broader market opportunities for fishermen, while also meeting the demand of the business sector for fresh and high-quality seafood. Keywords: Fishermen, Market, Usability, Partnerships, Challenges
Perancangan Ontologi pada Domain Proposal Tugas Akhir Trisnajayanti, Anak Agung Sinta; Suputra, I Putu Gede Hendra
Jurnal Nasional Teknologi Informasi dan Aplikasnya Vol 1 No 1 (2022): JNATIA Vol. 1, No. 1, November 2022
Publisher : Informatics Study Program, Faculty of Mathematics and Natural Sciences, Udayana University

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Abstract

The obligation of a student to graduate at the Strata-1 (S1) level is to complete a thesis. The thesis research process begins with the preparation of the final project proposal. In the Informatics Study Program, Udayana University students do not have a place to see references from previous student final project proposals. In the library there is only a thesis, where the format of the thesis and the final project proposal has a difference. Therefore, a system was created to search for information on student proposals from the Udayana University Informatics Study Program. The system is made based on the semantic web and to support the semantic web in this research an ontology model is made in the domain of the Final Project Proposal. The method used in making the ontology model is Methontology. The ontology design is made using Protégé and queries using SPARQL. This design produces 5 classes, 7 object properties, 11 data properties, and 57 individuals. Evaluation using SPARQL by asking questions and the results are as desired.
Perancangan Model Ontologi untuk Sistem Pencarian Sepeda Motor Bekas Adnyana, I Kadek Dwi; Hendra Suputra, I Putu Gede
Jurnal Nasional Teknologi Informasi dan Aplikasnya Vol 2 No 2 (2024): JNATIA Vol. 2, No. 2, Februari 2024
Publisher : Informatics Study Program, Faculty of Mathematics and Natural Sciences, Udayana University

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Abstract

Motorcycles are a means of transportation that people often use to meet their daily needs. However, not everyone can afford to buy a new motorbike, so many people are switching to used motorbikes. Finding a used motorcycles that suits your needs can be a difficult challenge for some people and of course there are many factors that must be considered. The solution that can be done for this problem is to use the semantic ontology model with the Methodology method. The design of the ontology model of used motorcycle products uses the protégé application, the ontology model is developed into a structure in protégé with a hierarchical structure of classes, slots, properties, etc. Used motorcycle product ontology development model produces 13 classes, 5 object properties, 5 data properties, and 68 individuals or instances in each class. The ontology evaluation process by performing SPARQL queries is used to get the appropriate results. Keywords: Motorcycles, Ontologi, Methontology, Query SPARQL, Protégé
Perbandingan Neural Network MLP, KNN, dan Decision Tree untuk Klasifikasi Penyakit Diabetes Sida Nanda, I Made Prenawa; Suputra, I Putu Gede Hendra
Jurnal Nasional Teknologi Informasi dan Aplikasnya Vol 2 No 3 (2024): JNATIA Vol. 2, No. 3, Mei 2024
Publisher : Informatics Study Program, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JNATIA.2024.v02.i03.p18

Abstract

Diabetes is one of the diseases that has received global attention due to its extensive impact on public health. Most people with diabetes are unaware that they are suffering from this condition, this situation emphasizes the need for improved understanding and more effective treatment of this disease. In an effort to address these challenges, this study compares three machine learning algorithms for diabetes classification, the three algorithms are: Multi-Layer Perceptron (MLP), K-Nearest Neighbor (KNN), and Decision Tree. Data from the Diabetes Dataset used to train and test these models will go through preprocessing first starting from data cleaning, encoding because there is string data, data distribution analysis where in this study using under sampling to equalize data and normalization using min-max normalization, Evaluation results using Confusion Matrix and Classification Report which contains precision, recall, and f1-score the results of this evaluation show that the Neural Network MLP model achieves the highest accuracy of 90.48%, followed by KNN with 88.15% accuracy, and Decision Tree with 87.24% accuracy. These findings provide important insights in selecting the optimal model for diabetes prediction applications. Keywords: Diabetes, Machine Learning, Neural Network MLP, KNN, Decision Tree
Evaluasi Kelayakan User Interface Prototype Aplikasi Mobile “HeartReco” Menggunakan System Usability Scale Aji, Desak Ketut Puri Trisnantya; Suputra, I Putu Gede Hendra
Jurnal Nasional Teknologi Informasi dan Aplikasnya Vol 1 No 1 (2022): JNATIA Vol. 1, No. 1, November 2022
Publisher : Informatics Study Program, Faculty of Mathematics and Natural Sciences, Udayana University

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Abstract

Heart disease is a disease that can not be cured completely, so prevention and early management are needed to prevent the disease progression. Thus, dietary modification is an important factor that needs to be done for people with heart disease. HeartReco is a recommendation system based on a mobile application designed to help people with heart disease, families of people with heart disease, and the general public who are interested in a heart disease diet to get recommendations for diet menus that suit the nutritional needs of people with heart disease. To create a good application, we need a good user interface as well. So that the application prototype needs to be evaluated for its feasibility in terms of the user interface by doing usability testing. In this study, the method used is the System Usability Scale (SUS) which gets an average SUS score of 75.33333. The assessment criteria in the Acceptability Ranges include the Acceptable level, the Grade Scale including class B, and the Adjective Ratings including Excellent. So that the application of the "HeartReco" heart disease diet menu recommendation is good/worthy to be developed to the next stage.
Evaluasi UI pada Prototype Aplikasi “WeCare” Menggunakan Metode SUS (System Usability Scale) Prathama, Hammam Akmal; Hendra Suputra, I Putu Gede
Jurnal Nasional Teknologi Informasi dan Aplikasnya Vol 2 No 1 (2023): JNATIA Vol. 2, No. 1, November 2023
Publisher : Informatics Study Program, Faculty of Mathematics and Natural Sciences, Udayana University

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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.
Analisis Sentimen Ulasan Aplikasi GoTube Menggunakan Naive Bayes Berbasis Particle Swarm Optimization Simatupang, Maedelien Tiffany Kariesta; Suputra, I Putu Gede Hendra
Jurnal Nasional Teknologi Informasi dan Aplikasnya Vol 2 No 4 (2024): JNATIA Vol. 2, No. 4, Agustus 2024
Publisher : Informatics Study Program, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JNATIA.2024.v02.i04.p14

Abstract

This research employs the sentiment analysis of GoTube application reviews using Naïve Bayes based on Particle Swarm Optimization (PSO). The study focuses on addressing the challenge of efficiently managing and analyzing user comments in the development of the GoTube application. By implementing automated sentiment analysis using text mining techniques, developers can enhance user experience and save resources. The methodology involves data collection, preprocessing, feature extraction using TF-IDF, classification using Naïve Bayes, and evaluation with various parameters. Additionally, Particle Swarm Optimization is utilized for feature selection to enhance the performance of the Naïve Bayes Classifier. The study aims to contribute to the improvement of GoTube's service quality and user satisfaction. Keywords: Sentiment Analysis, Naïve Bayes, Particle Swarm Optimization, GoTube Application
Analisis Celah Keamanan Jaringan WPA dan WPA2 dengan Menggunakan Metode Penetration Testing Okario, Albert; Hendra Suputra, I Putu Gede
Jurnal Nasional Teknologi Informasi dan Aplikasnya Vol 1 No 4 (2023): JNATIA Vol. 1, No. 4, Agustus 2023
Publisher : Informatics Study Program, Faculty of Mathematics and Natural Sciences, Udayana University

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Abstract

With the rapid development of communication and information technology, wireless local area network (WLAN) security has become crucial and a major concern, as data traffic is transmitted without the need for cables. Internet-connected network devices are inherently insecure and can be exploited by crackers or hackers. When data communicates or connects in the data traffic, where data is sent and passes through a series of terminals to reach its destination, an irresponsible user has the opportunity to modify or intercept the data. Therefore, designing a WLAN network connected to the internet must be carefully planned to minimize undesirable incidents. The weakness of the IEEE 802.11 network that uses WEP encryption tends to make the encryption code more easily discoverable by hackers. Based on the aforementioned background, we conducted this research to identify vulnerabilities or security flaws in WPA and WPA2-PSK networks using penetration testing methods. Keywords: WPA2-PSK Network Security Analysis, Penetration Testing
Analisa UI dalam Perancangan Aplikasi Pemesan Kue “Cakeland” dengan Metode SEQ Putra, I Putu Dana; Suputra, I Putu Gede Hendra
Jurnal Nasional Teknologi Informasi dan Aplikasnya Vol 1 No 1 (2022): JNATIA Vol. 1, No. 1, November 2022
Publisher : Informatics Study Program, Faculty of Mathematics and Natural Sciences, Udayana University

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Abstract

UI and UX are two inseparable things, these two things are the key to the success of a digital product which is a website or mobile application. UI or User Interface is conceptually part of UX or User Experience. Because if the UI owned by a digital product has a very good design, function, and ease of use, it will also have an impact on the UX or user experience it has. Including if the UI is immature and very difficult to use, it will make the user experience not optimal. This study was made with the aim of analyzing the UI quality of “Cakeland” as a Cake Ordering Application. To measure the quality of the UI that is owned here will be done using the SEQ method or Single Ease Question and tested in a tool called Maze. Quality evaluation on the usability aspect will be carried out later to determine whether the UI owned by the "Cakeland" application is feasible or not and whether the "Cakeland" application is feasible to be improvised in further research.
Implementasi Metode System Usability Scale Pada User Interface Sistem Informasi Management Intern Hapsari, Ni Made Alisya Putri; Suputra, I Putu Gede Hendra
Jurnal Nasional Teknologi Informasi dan Aplikasnya Vol 1 No 1 (2022): JNATIA Vol. 1, No. 1, November 2022
Publisher : Informatics Study Program, Faculty of Mathematics and Natural Sciences, Udayana University

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Abstract

In an application, the user interface is one of the most important factors in system development, whether it is based on Android, iOS, desktop, or websites. To develop a good application, a maximum planning and design stage is needed, especially in the design of the user interface. A bad user interface will affect productivity and users in visiting developed applications. On the other hand, a good user interface design can display information clearly so that users can comfortably use the application. Good or not a user interface can be determined through the subjective judgment of the user. Therefore, in this study, an evaluation of the user interface of a website-based application is being developed, namely the Internal Management Information System. The evaluation method used in this study is the System Usability Scale or SUS where an assessment will be made by the user of the user interface that has been developed then the results of the assessment will be processed to determine the feasibility of the user interface.
Co-Authors Adnyana, I Kadek Dwi Agus Muliantara Agus Zainal Arifin Agustiana, Ni Putu Arisya Aji, Desak Ketut Puri Trisnantya Anak Agung Istri Ngurah Eka Karyawati Anak Agung Sinta Trisnajayanti Anak Agung Sinta Trisnajayanti Anny Yuniarti Desak Ketut Puri Trisnantya Aji Desak Ketut Puri Trisnantya Aji Era Wahyuni Gde Deva Dimastawan Saputra Gede Aditra Pradnyana Gede Lucky Aldi Arsa Gorianto, Frisca Olivia Hapsari, Ni Made Alisya Putri Hendrawan, Made Chandra I Dewa Made Bayu Atmaja Darmawan I Gede Arisudana Samanjaya I Gede Arta Wibawa I Gede Ngurah Arya Wira Putra I Gede Surya Rahayuda I Gusti Agung Gede Arya Kadyanan I Gusti Ngurah Anom Cahyadi Putra I Kadek Agus Andika Putra I Kadek Dwi Adnyana I Ketut Gede Suhartana I Ketut Gede Suhartana I Ketut Kusuma Merdana I Komang Kumara Saduadnyana I Made Widhi Wirawan I Made Widiartha I Made Widiartha I Putu Dana Putra I Wayan Supriana Ida Ayu Gde Suwiprabayanti Putra Ida Bagus Gede Dwidasmara Ida Bagus Gede Dwidasmara Ida Bagus Made Mahendra Ida Bagus Weda Baskara Adi Putra Indra Permana Putra Ketut Agus Cahyadi Nanda Kevin Moses Waleleng Khaerul Anwar Kompiang Gede Sukadharma Lidya Elisabet Theogracia Silitonga Linawati Luh Arida Ayu Rahning Putri Luh Gede Astuti Made Widiartha Maheswara, Pande Putu Devo Punda Mohammad Rizky Kustiadie Nanda, Ketut Agus Cahyadi Ngurah Agus Sanjaya ER Ni Made Alisya Putri Hapsari Ni Putu Subhasini Dewi Sukma Ni Wayan Anti Andari Nyoman Putra Sastra Okario, Albert Pitoy, Pingkan Anggriani Prathama, Hammam Akmal Prebiana, Kiki Dwi Putra, I Putu Dana Putri, Audini Nifira Putu Risky Andrean Sida Nanda, I Made Prenawa Simatupang, Maedelien Tiffany Kariesta Sukadarmika, I Gede Tirtana Putra, Made Arya Trisnajayanti, Anak Agung Sinta Yuda, Putu Agus Prawira Dharma