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(JELIKU) Jurnal Elektronik Ilmu Komputer Udayana
Published by Universitas Udayana
ISSN : 23015373     EISSN : 26545101     DOI : https://doi.org/10.24843/JLK
Core Subject : Science,
Computer Science & IT
Aim and Scope: JELIKU publishes original papers in the field of computer science, but not limited to, the following scope: Computer Science, Computer Engineering, and Informatics Computer Architecture Parallel and Distributed Computer Computer Network Embedded System Human—Computer Interaction Virtual/Augmented Reality Computer Security Software Engineering (Software: Lifecycle, Management, Engineering Process, Engineering Tools and Methods) Programming (Programming Methodology and Paradigm) Data Engineering (Data and Knowledge level Modeling, Information Management (DB) practices, Knowledge Based Management System, Knowledge Discovery in Data) Network Traffic Modeling Performance Modeling Computer Security IT Governance Networking Technology Robotic Instrumentation Information Search Engine Multimedia Security Information Retrieval Mobile Processing Natural Language Processing Artificial intelligence & soft computing and their applications Neural networks Machine Learning Reasoning and evolution Intelligence applications Computer vision and speech understanding Multimedia and cognitive informatics Data mining and machine learning tools, heuristic and AI planning strategies and tools, computational theories of learning
Arjuna Subject : Ilmu Komputer (semua kategori) - Aplikasi Ilmu Komputer
Articles 488 Documents
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Perancangan UI/UX Aplikasi Perpustakaan Online Berbasis Mobile Menggunakan Software Figma Muhammad Putra Tristan; Apriade Voutama
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 12 No 4 (2024): JELIKU Volume 12 No 4, May 2024
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JLK.2024.v12.i04.p22

Abstract

Perangkat lunak Figma digunakan untuk merancang aplikasi antarmuka pengguna (UI/UX) perpustakaan online berbasis mobile. Pemahaman pengguna, pengumpulan ide, prototyping, dan pengujian adalah langkah-langkah dalam proses perancangan yang menggunakan pendekatan Design Thinking. Untuk mengevaluasi kegunaan sistem, aplikasi ini dibangun untuk memberikan pengalaman pengguna yang mudah digunakan, efektif, dan memuaskan untuk mencari dan mengakses sumber daya perpustakaan secara online. Tahap pengujian dilakukan dengan menggunakan System Usability Scale (SUS). Hasil penelitian menunjukkan bahwa aplikasi yang dirancang dapat memenuhi persyaratan pengguna dan meningkatkan kegunaan. Studi ini memberikan dasar untuk penelitian lebih lanjut dalam desain UI/UX dan perancangan aplikasi mobile serta membantu mengembangkan aplikasi perpustakaan online yang lebih ramah pengguna.
Analisis Sentimen Pengguna Aplikasi MyPertamina Dengan Menggunakan Algoritma Naïve Bayes I Gusti Bgs Darmika Putra; Cokorda Rai Adi Pramartha
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 12 No 3 (2024): JELIKU Volume 12 No 3, February 2024
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JLK.2023.v12.i03.p17

Abstract

MyPertamina adalah aplikasi layanan keuangan digital yang di miliki oleh PT Pertamina dan anggota Badan Usaha Milik Negara (BUMN) dengan menggunakan aplikasi ini pengguna dapat untuk membeli beberapa produk buatan Pertamina, termasuk BBM, secara cashless atau nontunai.Tujuan dari aplikasi MyPertamina yaitu untuk mendata masyarakat yang telah membeli BBM bersubsidi. Klasifikasi sentiment bertujuan untuk mengatasai masalah ini dengan cara otomatis mengklasifikasikan ulasan dari pengguna dengan mengkelompokan menjadi ulasan positif atau ulasan negative. Dalam penelitian ini kami mempelajari sentimen pengguna aplikasi MyPertamina yang terdapat pada ulasan Google Playstore sebagai acuan untuk meningkatkan tingkat pelayanan dan kualitas aplikasi tersebut. Untuk mengklasifikasikan sentimen kami menerapkan metode Naïve Bayes. Hasil akhir yang akan dihasilkan adalah tingkat akurasi yang dicapai dalam melakukan analisis sentimen menggunakan metode Naïve Bayes.
Implementasi Business Intelligence Menggunakan Metode OLAP untuk Pengambilan Keputusan Penjualan Properti Lidya Elisabet Theogracia Silitonga; I Putu Gede Hendra Suputra; Ida Ayu Gde Suwiprabayanti Putra; I Ketut Gede Suhartana
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 13 No 1 (2024): JELIKU Volume 13 No 1, August 2024
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

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

Abstract

Based on data from the Central Statistics Agency, population growth in Indonesia reaches 2 million – 3 million people every year. In this case, with increasing population growth, the need for housing also increases. The high demand for housing provides opportunities for property companies, one of which is PT Anugerah Indah Prima in the city of Medan. Apart from providing great opportunities, business in the property sector also has intense competition so that in order to continue to progress and develop, PT Anugerah Indah Prima must continue to be innovate in developing its business. In making a decision to develop its business, the company still faces obstacles, namely processing property sales data manually using Microsoft Excel. This data processing can not meet the needs of managers and marketing parties in making decision because the reports produced are still general information and difficult to understand. Therefore, this research focuses on designing a dashboard that can provide insightful information in company decision making. This research utilizes business intelligence, ETL(extract, transform, and loading), OLAP(online analytical processing), and forecasting. Keywords: Information Dashboard, Business Intelligence, Property Business
Penerapan Steganografi dan Visible Watermarking Pada Gambar Digital Untuk Perlindungan Hak Cipta Chelsy Elisabet Gultom; I Ketut Gede Suhartana
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 12 No 2 (2023): JELIKU Volume 12 No 2, 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/JLK.2023.v12.i02.p16

Abstract

As technology develops, almost all information and data is stored in digital form. But as we know, digital storage is more vulnerable to theft where this thing is often happen to data that people shared on the internet, include digital image. From the problem above, we do the research where we build a windows-based program using steganography with least significant bit method and visible watermarking that implement encryption hidden message and visible watermarking to the digital image we want to. This program also can decode the hidden message from the digital image that contain the message. The research prove that using the combination of steganography and visible watermarking can help the owner of the digital image to claim the copyright of their digital image. This happened because they can encrypt the proof of the ownership in the image by visible dan invisible way.
Desain Sistem Informasi Penanganan Arsip Berbasis Website di PT Sinar Nusrapress Utama Rikha Setyawati; Ni Ketut Lasmini; Ni Made Kariati
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 12 No 2 (2023): JELIKU Volume 12 No 2, 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/JLK.2023.v12.i02.p27

Abstract

PT Sinar Nusrapress Utama, yang terletak di Jalan Hayam Wuruk, Panjer, Denpasar, Bali, merupakan sebuah perusahaan media cetak dan digital. Studi ini bertujuan untuk meningkatkan dan mempercepat proses pengarsipan surat masuk dan keluar yang dilakukan setiap bulan. Salah satu solusi yang diusulkan adalah dengan menciptakan sebuah sistem arsip online berbasis informasi untuk memfasilitasi dan mempercepat proses arsip dengan lebih efisien. Metodologi yang digunakan dalam mendesain sistem ini adalah System Development Life Cycle (SDLC), yang mencakup empat tahapan utama seperti identifikasi masalah, penetapan kebutuhan informasi, analisis sistem, dan perancangan sistem yang diusulkan. Dalam prosesnya, berbagai alat pemodelan seperti peta konsep, diagram hubungan entitas, skenario kasus penggunaan, flowchart, dan antarmuka pengguna grafis digunakan. Teknik pengumpulan data melibatkan observasi, wawancara, studi literatur, dan dokumentasi. Hasil dari penelitian ini adalah rancangan sebuah Sistem Informasi Pengarsipan berbasis web untuk PT Sinar Nusrapress Utama, yang diharapkan membuat pengarsipan lebih efektif dan efisien. Kata Kunci: Sistem, Informasi, SDLC, Concept Map, ERD, Use Case Diagram, GUI.
Pengolahan Big Data Dengan Sharding Database Dan Kappa Architecture Untuk Data Time-Series Kompiang Gede Sukadharma; I Putu Gede Hendra Suputra; Ida Ayu Gde Suwiprabayanti Putra; Luh Arida Ayu Rahning Putri
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 13 No 1 (2024): JELIKU Volume 13 No 1, August 2024
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

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

Abstract

In the digital era, managing and processing Big Data presents challenges. Historical or time-series data is crucial for decision-making. Distributed database systems, specifically database sharding, efficiently distribute CPU load and memory usage. Kappa Architecture outperforms Lambda Architecture by 220% in terms of speed, though Lambda has slightly higher reliability. This research integrates database sharding with Kappa Architecture using Kaggle’s time-series data. Load testing showed 60.46% performance for data retrieval across distributed databases. Remarkably, the system’s reliability reached 100%, even when one of the services failed, handling 10000 new data entries. Furthermore, with the same configuration, it was found that the utilization of Kappa Architecture and sharding database resulted in a 70.26% better performance compared to the system solely implementing sharding database.
Perancangan Ontologi Semantik: Representasi Digital Kuliner Khas Pulau Dewata I Putu Agus Arya Wiguna; I Gusti Ngurah Anom Cahyadi Putra
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 12 No 2 (2023): JELIKU Volume 12 No 2, 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/JLK.2023.v12.i02.p07

Abstract

Advances in information technology are currently driving the growth of the number of internet users. In the business world, the role of technology is very important, and it can be said that it has become a primary need for entrepreneurs at this time. Likewise about culinary, knowledge about this needs to be taken and judged properly digitally such as from the aspect of place, taste, presentation and price. So that later it can be given to the community and passed down from generation to generation as well as to promote to foreign tourists so that they can be better known and increase the country's foreign exchange. The use of ontology as an information representation technique is the preferred solution in this case because ontology can be used to improve the development of semantic applications, especially when dealing with the semantic web. The method of building the ontology model used is Methodology. This method is one method of building an ontology model that can reuse the built ontology for further system development. The development of the ontology model in this study uses an application called Protégé and in the evaluation process, the ontology gives good results in answering the questions given by the users.
Perancangan Sistem Informasi Pemasok Barang Rongsokan Dengan Pendekatan User Centered Design Tri Adi Ningsih; I Made Widiartha; I Ketut Gede Suhartana; I Gusti Ngurah Anom Cahyadi Putra
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 12 No 4 (2024): JELIKU Volume 12 No 4, May 2024
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JLK.2024.v12.i04.p12

Abstract

Information systems play a crucial role in facilitating business processes, including in the scrap recycling industry. In this context, this research aims to develop an information system that enables efficient management of the procurement process of scrap materials from suppliers. The User Centered Design (UCD) method is adopted to ensure that the developed system truly meets the needs and preferences of users. The system implementation is carried out using web-based technologies with PHP and MySQL as the database backend. End users, including scrap material suppliers, can access the system through a responsive web interface. System evaluation is conducted using the Single Ease Question (SEQ) and System Usability Scale (SUS) methods to measure user responses and system usability. The development results show that the scrap material supplier information system has been successfully developed. Users responded positively to the user-friendly interface and provided functionality. The testing involved 10 respondents, yielding a SEQ score calculation of 88%, indicating success. Additionally, SUS testing resulted in a high satisfaction level of 87.25% among users regarding system usability. Thus, this research contributes to the development of information systems that integrate UCD principles to support efficiency and effectiveness in managing scrap material suppliers in the recycling industry.

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