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INDONESIA
(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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Sentiment Analysis of Tribal, Religion, and Race with LIWC Utomo, Prasetyo Adi; Karyawati, AAIN Eka
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 9 No 3 (2021): JELIKU Volume 9 No 3, Februari 2021
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.2021.v09.i03.p16

Abstract

During this pandemic, social media has become a major need as a means of communication. One of the social media used is Twitter by using messages referred to as tweets. In Indonesia itself, there are various tribes, religions, and races in their society so the use of these names is also become commonly used. However, sometimes, the use of the name is followed by negative sentiment that used to insult and aimed at an individual or group. To filter that kind of tweets, a sentiment analysis was performed with LIWC method that divides tweets into 3 classes of positive, neutral, and negative. From the sentiment analysis that has been performed, the average score for precision is 69.62%, recall is 70%, and f-measure is 69.81%
Kualifikasi Noise Pada Citra Lontar Bali dengan Metode Gaussian Filter Prathama, Wayan Adhitya; Arta Wibawa, I Gede
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 8 No 3 (2020): JELIKU Volume 8 No 3, February 2020
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.2020.v08.i03.p12

Abstract

In improving the quality of the image basically makes the appearance of an image better than before. One thing that is done in improving the image quality is noise qualification. This noise qualification aims to reduce the level of noise contained in a digital image. In this study, the image used is the image of Bali palm leaf. There are many methods that can be used to qualify for noise. One of them is the Gaussian filter. In this study, Gaussian Filter is used as a method to qualify the noise contained in the palm leaf image. The image quality after the noise qualification process is calculated using PSNR (Peak Signal to Noise Ratio). The higher the PSNR value obtained, the better the image quality. In this study, the PSNR value obtained in the palm leaf image after processing the noise qualification is 54.7625 db. Keywords: Gaussian Filter, Noise, PSNR, Bali Palm Leaf, Image
IMPLEMENTASI MySQL CLUSTER PADA BASIS DATA TERDISTRIBUSI Budi Rinanta Putra, I Gde
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Volume 1 No 1 - Agustus 2012
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

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

Abstract

Perusahaan harus memiliki sistem infomasi yang lengkap dan mudah diakses oleh siapapun. Dengan adanya sistem informasi itu perusahaan menunjukkan kredibilitasnya untuk go public dan untuk lebih dikenal oleh khalayak umum. Dalam praktiknya sistem informasi itu ketika diakses oleh client maupun khalayak umum kadang terjadi kegagalan. Itu dikarenakan karena di sisi server terjadi failure. Kegagalan atau failure itu sendiri disebabkan karena server mati dan tidak ada backup dari server lain yang langsung menggantikan ketika server utama mati. Salah satu solusi untuk mengatasi masalah diatas adalah dengan menggunakan teknologi MySQL Cluster. Itu dikarenakan di dalam teknologi MySQL Cluster terdapat replikasi database juga terdapat sistem yang mampu mengatasi failure sistem database itu sendiri.
Segmentasi Huruf Hijaiyah Menggunakan Metode Connected Component Labeling Putri, Audini Nifira; Suputra, I Putu Gede Hendra
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 9 No 2 (2020): JELIKU Volume 9 No 2, November 2020
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.2020.v09.i02.p12

Abstract

Arabic letters or Hijaiyah letters recognition is a challenge in itself because one letter consists of more than one character, namely the main character, companion character such as dots and lines, and punctuation called harakat. The image segmentation process is the most important in a character recognition system because it affects the separation of objects in an image. In this research, Hijaiyah letter segmentation aims to separate the letters according to the character of each letter using the Connected Component Labeling (CCL) method. Merging labels on each character will be done by looking for the Euclidean distance value from adjacent centroids. The experiment succeeded in segmenting each Hijaiyah character with an accuracy value of 86%.
Perancangan Sistem Chick Maintenance Cycle Menggunakan ERP Pada PT Charoen Pockphand Liana, Laurensia; Supriana, I Wayan
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 8 No 1 (2019): JELIKU Volume 8 No 1, Agustus 2019
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.2019.v08.i01.p08

Abstract

The development of the world of computers and information technology has been very rapid in recent years. A company needs an information system that can accommodate various needs of the company in carrying out business processes. With the application of information systems to companies, business processes can run more smoothly and faster. PT. Charoen Pockphand Indonesia wants to create a new system based on an existing system using an ERP or Enterprises Planning Resource. ERP was chosen because it has a wide operating area of functionality, namely Marketing and Sales, Supply Chain Management, Accounts and Finance, and Human Resources.
IMPLEMENTASI VLAN (VIRTUAL LOCAL AREA NETWORK) PADA RUMAH SAKIT MATA RAMATA Yoga, Bhaskara Budi; Raharja, Made Agung
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 7 No 3 (2019): JELIKU Volume 7 No 3, Februari 2019
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.2019.v07.i03.p07

Abstract

Ramata Eye Hospital is an eye hospital that is still under construction, both in terms of building, technical, and system. This research will discuss system development in this hospital network with the aim of optimizing data communication in this hospital later when it starts operating. This research focuses on discussing VLAN configuration which plays an important role in optimizing data communication later. VLAN is a network model that divides networks logically into several different VLANs. VLAN is not limited to physical network conditions such as on a LAN, VLAN can be configured virtually without having to look at the condition of the equipment, so VLANs have flexibility in network settings and make it easier for network administrators to share their network according to the network security functions and needs. Because of that, Ramata Eye Hospital really needs a VLAN in data communication later, which in addition to saving VLAN space can also save costs because it does not need to use many switches for network purposes at this Hospital.
Analisa Usability User Interface Sistem SIMAK Universitas Udayana Adiartika, Made Harry Dananjaya; Astuti, Luh Gede
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 8 No 4 (2020): JELIKU Volume 8 No 4, Mei 2020
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.2020.v08.i04.p15

Abstract

With the increasingly high level of exchange of information at this time, the demand for a system capable of managing all of that information is getting higher, where one of these systems is the Udayana University Student Management Information System (SIMAK) which has a vital role in the academic administration of Udayana University, which of course requires an interface that is easy to use so that it can speed up the process of academic administration, where it is one of the things that is often taken into consideration when designing an interface that is easy to use or user-friendly, to find out whether an interface from a user-friendly system can be done by testing the usability aspects of the system. Usability is one of the important aspects that must be fulfilled for a system where to find out whether the Usability aspect of a system is fulfilled, it can be tested using the Usability Testing method with questionnaire media, this study aims to examine the Usability aspects of the SIMAK system at Udayana University using the Usability method Testing with questionnaire media, where the results of this study indicate that the SIMAK system as a whole has met the Usability component with an average value of 3, which means that the SIMAK system of Udayana University already has a good Usability aspect value.
RANCANG BANGUN SISTEM DIAGNOSIS KERUSAKAN PADA MOBIL MENGUNAKAN METODE FORWARD CHAINING Satwika, Ida Bagus Dhany
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Volume 1 No 2 - Nopember 2012
Publisher : Informatics Department, Faculty of Mathematics and Natural Sciences, Udayana University

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

Abstract

Kerusakan pada mesin mobil terjadi akibat kelalaian dalam melakukan perwatan.Pemilik baru menyadari kerusakan setelah mobil tidak dapat beroprasi sebagaimana mestinya.Oleh karena itu dalam penggunaan mobil kemungkinan besar membutuhkan perawatan berkala.Dengan cara mendeteksi kerusakan apa yang terjadi pada mobil. Misalnya, jika mobil bersuaraberisik dan tidak mempunyai gambaran mengapa hal tersebut terjadi, hal inilah yang mendorongpembangunan sistem pakar untuk mengidentifikasi kerusakan mesin mobil. Penyampaianinformasi pun dengan meminta request dari user. Request tersebut akan diproses dalam sistemkemudian hasilnya akan dikirim lagi ke user dengan tampilan yang dinamis. Sistem dibangunberbasis WEB dengan harapan untuk mempermudah pengguna dalam mengakses dan sistem inimampu memberikan informasi yang optimal dari timbal balik pengguna dan sistem.Penelitian ini diharapkan mampu memberikan informasi segala hal yang berhubungandengan masalah kerusakan mesin secara cepat, mudah dan efisien secara timbal baik antarauser dan sistem.
Aplikasi Steganografi Gambar berbasis web untuk Menyembunyikan Pesan Rahasia Canistya Chandra, Putu Isthu; Suhartana, I Ketut Gede
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 9 No 3 (2021): JELIKU Volume 9 No 3, Februari 2021
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.2021.v09.i03.p08

Abstract

The Internet has become a very popular medium for communicating and exchanging information data. However, with the development of technology, information data theft is becoming more frequent so it is very necessary to maintain the security of information data. To maintain the security of information data, steganography can be used, namely hiding data or information to a medium. Least Significant Bit (LSB) is a method that can be used to perform the insertion. The Least Significant Bit (LSB) replaces the insignificant or smallest bit value so that when an insertion is done, the difference is not clear. So, this research aims to make a steganography application using the Least Significant Bit (LSB) method.
Prediksi Loyalitas Pengguna Menggunakan Metode Naive Bayes di Online Printing Marketplace "Goprint" Widiastawan, Gede; Arya Kadyanan, I Gusti Agung Gede
JELIKU (Jurnal Elektronik Ilmu Komputer Udayana) Vol 8 No 3 (2020): JELIKU Volume 8 No 3, February 2020
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.2020.v08.i03.p03

Abstract

Goprint is an Online Printing Marketplace that connects printing services with users who want to print documents quickly without the need to queue. In the span of time from April 2019 to September 2019 it was found that the number of Goprint users reached 407 users, 24 partners, and 256 orders. From transactions that have been carried out by users, not a few orders are often canceled due to ineffective Goprint features or poor partner performance. This causes Goprint users to feel dissatisfied with the services provided by the Goprint application. The Naive Bayes algorithm is one of the algorithms used for classification or grouping of data, but can also be used for decision making. With this algorithm and the problems that occur, the authors make a system to predict the loyalty of Goprint users to anticipate users who stop leaving Goprint because they are not satisfied or loyal users. The data used as training data is 20 and testing data is 10. From the test results it is found that the value of precision is 80%, 100% recall, and 90% accuracy.

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