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Ilwan Syafrinal
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JoDENS: Journal of Digital Ecosystem for Natural Sustainability
Published by Universitas Universal
ISSN : -     EISSN : 27986179     DOI : 10.63643/jodens.v5i1.299
Core Subject : Science,
Computer Science & IT Decision Sciences, Operations Research & Management
Jurnal ini mencakup seluruh konsep teoritis dan aplikasi informatika/komputasi dalam Membangun Ekosistem Digital untuk Kelestarian Alam (dunia), yang meliputi, namun tidak terbatas pada: Artificial Intelligence Big Data Bioinformatics Game Development Geographical Information Systems Image Processing Information Systems Internet of Things Multimedia Engineering Software Engineering.
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 70 Documents
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Pemanfaatan Instagram Sebagai Media Pemasaran Bagi Produk TempeAjah Fernando, Wilsen; Rindiany; Oktarino, Hendra
Journal of Digital Ecosystem for Natural Sustainability Vol 2 No 1 (2022): Juli 2022
Publisher : Fakultas Komputer - Universitas Universal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63643/jodens.v2i1.56

Abstract

In this digital era, most business use social media to improve the relationship with consumers. One of the uses is in the field of marketing promotion.The objective of this research is to describe the use of social media Instagram as a promotion medium for TempeAjah in increasing the sales of Tempe. The researcher used qualitative descriptive case study methods and used interview technique to receive data. The results showed that the use of Instagram by TempeAjah was very effective because it was easy to advertise the products they sell.
Predicting English Language Learners’ Proficiency Level Using EnglishScore Android Application Anton, Oey; Yodi
Journal of Digital Ecosystem for Natural Sustainability Vol 1 No 2 (2021): Desember 2021
Publisher : Fakultas Komputer - Universitas Universal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63643/jodens.v1i2.61

Abstract

Teaching and learning the English language need to focus on the learners; therefore, as teachers, giving the range of materials and creating the study programs must be based on learners' ability to receive the learning progress in accordance. So, by revealing learners' abilities, teachers can organize their syllabus, material levels, quizzes, and other programs properly. CEFR is a British Council assessment used to know learners' abilities in several languages, including English. In this paper, we use EnglishScore android application to assess the learners' abilities based on CEFR scales. There are five categories of CEFR level scales that the learners of Universitas Universal academic year 2021-2022 provided: C1, B2, B1, A2, A1- using EnglishScore android application for assessment. Most learners acquire A2 level and B1 level with 40 and 28 percentages for overall skills. A2 and B1 with 40 and 28 percentages for grammar achievement, while B1, B2, and A2 for vocabulary achievement with 33, 27, and 26 percentages. A2 and B1 levels for reading and listening skills, with 42 and 23 percentages for reading skills and 39 and 22 for listening practice.
Implementasi Metode Analytical Hierarchy Process Untuk Mendukung Pengambilan Keputusan Dalam Pemilihan Saham Zhan, Edison
Journal of Digital Ecosystem for Natural Sustainability Vol 2 No 1 (2022): Juli 2022
Publisher : Fakultas Komputer - Universitas Universal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63643/jodens.v2i1.66

Abstract

Investors before investing of course do an analysis first. From the results of the research literature study, generally there are 4 analysis criteria and each criterion has 7 sub-criteria that are used in making stock selection decisions. The 4 criteria are analysis of A.Growth (company income), B.Profitability (ROA and ROE), C.Debt (DER) and D.Share Price (PER and PBV). From the analysis criteria, each company has its own strengths and weaknesses. It is not uncommon for investors to find it difficult to determine the priority weights of the criteria and sub-criteria analysis because investor decisions are subjective, plus there are many stocks available to choose from, so it takes more time and effort in the stock selection process. So we need a decision support system to help investors determine the weight of each criterion and sub-criteria of the analysis so that stock selection can be objective and consistent. This study uses AHP as a method to help make decisions objectively and consistently by carrying out a pairwise comparison matrix process between criteria and sub-criteria and sorting stocks so that they get the best stock priority. The results of the AHP calculation get the priority criteria in sequence, namely B(0.51%), A(0.24%), D(0.17%) and C(0.08%) with a consistency ratio of 0.04. Meanwhile, the priority sub-criteria are 1(0.38), 2(0.24), 3(0.17), 4(0.10), 5(0.06), 6(0.03) and 7(0.02) with a consistency ratio of 0.09. Each consistency ratio below 0.1 means that the weighting for the criteria and sub-criteria is consistent.
Analisis Kualitas dan Kepuasan Pengguna Website PT Olagafood Berdasarkan Metode WebQual 4.0 Meivany
Journal of Digital Ecosystem for Natural Sustainability Vol 2 No 1 (2022): Juli 2022
Publisher : Fakultas Komputer - Universitas Universal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63643/jodens.v2i1.68

Abstract

The internet has become a mainstay for business people and companies today. The increase in internet users in the world makes it easier for companies to market and develop their business fields for consumers to be able to choose goods or services as efficiently as possible. Likewise with PT Olagafood, to make it easier to access information quickly and accurately, a web-based facility was built, namely olagafood.co.id. This website accommodates various information related to products that are being and have been developed by PT. Olagafood. Currently the olagafood.co.id website has not been successfully utilized by the community to the maximum seen from the small number of website visitors, this may be related to user satisfaction in utilizing the information contained in it. From the problems above, an analysis of the extent of user satisfaction in using the website uses the WebQual 4.0 method. It is hoped that user satisfaction has been met, the number of visitors can be increased and the website can be said to have been utilized properly.
Audit Sistem Informasi Pengantaran Barang Pada PT Samudera Arkan Nusantara Menggunakan Framework COBIT 4.1 Akbar, Dimas; Juliana; Mulia, Sri; Ningrum, Widya; Syahputra, Andrian
Journal of Digital Ecosystem for Natural Sustainability Vol 2 No 1 (2022): Juli 2022
Publisher : Fakultas Komputer - Universitas Universal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63643/jodens.v2i1.74

Abstract

This study will discuss how to audit the information system for delivery of goods at PT Samudera Arkan Nusantara uses COBIT 4.1 sub domains PO, AI, DS, ME. Data were collected using interviews and questionnaires. Questions from the questionnaire are made based on the activities of customers who want to deliver goods at PT Samudera Arkan Nusantara. The results showed that the results of the questionnaire management got the average value for the domains PO, ME, A|, DS was 7.07 and ranged 0-5, which means the implementation of the delivery system at PT Samudera Arkan Nusantara has been carried out but still requires regular governance processes and the results of this study found that in the PO1 and ME2 domains at PT Samudera Arkan Nusantara has met expectations, namely at level 4 Manage and Measurable but other domains still occupy level 3, namely Defined Process.
Analisis Hubungan Kecanduan Media Sosial Dengan Kecemasan Sosial dan Hubungan Interpersonal pada Remaja Henisaputri, R Widya
Journal of Digital Ecosystem for Natural Sustainability Vol 2 No 1 (2022): Juli 2022
Publisher : Fakultas Komputer - Universitas Universal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63643/jodens.v2i1.80

Abstract

This study aims to analyze the relationship between social media addiction on social anxiety and interpersonal relationships in adolescents. This study uses a quantitative approach with predictive correlation method. The instrument used in this study is a differential semantic scale for social media addiction, and a likert scale for social anxiety and interpersonal relationships. The research sample was 220 high school students in Batam City, Indonesia, who were selected by cluster quota random sampling. The results showed that social media addiction did not contribute to social anxiety with a t-value of -0.98, and social media addiction did not contribute to interpersonal relationships with a t-value of -1.05.
Evaluasi Kualitas Website Forum Paud Terhadap Kepuasan Pengguna Menggunakan Metode Web Equal 4.0 Widodo, Wahyu; Ayun, Qurratu
Journal of Digital Ecosystem for Natural Sustainability Vol 2 No 2 (2022): Desember 2022
Publisher : Fakultas Komputer - Universitas Universal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63643/jodens.v2i2.96

Abstract

Web Forum is a form of mass media published through the internet that can be accessed anywhere and anytime. To determine the quality of a website, it is necessary to measure so that the quality of a website can be known from user perceptions.This study uses the WebQual method which has been modified by adding the dimensions of Website Design and user satisfaction with the three main dimensions of WebQual 4.0, namely Usability, Information Quality, and Service Interaction.The object of this research is the Ngaglik Early Childhood Forum Website. The population of this research is the web admin of PAUD Ngaglik Sleman. The results obtained in this study are that the quality of usability, quality of information and quality of design have a positive effect on user satisfaction. The quality of interaction services has a negative effect on user satisfaction of the Ngaglik PAUD website.
Analisis Keamanan Modifikasi Metode Caesar Chiper Dalam Teknik Enkripsi Dan Deskripsi Rinaldi, Rizky
Journal of Digital Ecosystem for Natural Sustainability Vol 2 No 2 (2022): Desember 2022
Publisher : Fakultas Komputer - Universitas Universal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63643/jodens.v2i2.99

Abstract

The confidentiality and integrity of a message that will be conveyed is one aspect that every individual expects in carrying out information exchange activities. Many techniques that can be used to secure data include cryptography. Cryptography aims to provide security services (which are also referred to as security aspects). To be able to use cryptographic techniques, a method is needed, one of which is the Caesar Cipher method. Changes made to the character set in the caesar chiper algorithm have succeeded in making this algorithm have a better level of security. The result of the analysis of this study is that the chipertext pattern that is incited is more varied so that the level of security of this method is better than before.
Perencanaan Strategis Sistem Informasi Menggunakan Metode Ward and Peppard pada Fakultas Bisnis Universitas Universal Antonio Pangestu, Amora; Efanly, Efanly; Rio, Firstan
Journal of Digital Ecosystem for Natural Sustainability Vol 2 No 2 (2022): Desember 2022
Publisher : Fakultas Komputer - Universitas Universal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63643/jodens.v2i2.100

Abstract

The Faculty of Business is a field of study that studies financial management, marketing, bookkeeping, and matters regarding sustainability related to business in the business world, and the Faculty of Business is also popular because of its broad and relevant job prospects to the economy. The Faculty of Business is one of the faculties at Universal University which has the vision to excel in the sustainable field. But the problems faced in taking market share are currently not too broad and competition in getting students to enroll at the Universal University Faculty of Business and the application of Information Systems is not good enough to support learning at the Computer Faculty. Therefore there is a need for proper IS/IT strategic planning using the Ward and Peppard method, and analysis using SWOT, Five Forces Porter, Value Chain, and McFarlan Strategy Grid.
Ambarella Fruit Ripeness Classification based on EfficientNet Models Saragih, Raymond Erz; Roza, Yuni; Purnajaya, Akhmad Rezki; Kaharuddin, Kaharuddin
Journal of Digital Ecosystem for Natural Sustainability Vol 2 No 2 (2022): Desember 2022
Publisher : Fakultas Komputer - Universitas Universal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63643/jodens.v2i2.106

Abstract

Evaluating the fruit’s maturity level is crucial to acquiring high-quality fruit. The skin color of some fruits may be used as one of the numerous indicators to determine whether they have achieved their peak degree of ripeness. Similar to other fruits, the skin color of an Ambarella fruit indicates its maturity. However, determining the ripeness of the Ambarella fruit was assessed manually, which is time-consuming, inefficient, taxing, requires a large number of employees, and has the potential to result in discrepancies. This study aims to classify the ripeness of the Ambarella fruit using the deep learning approach, specifically using the Convolutional Neural Network (CNN). The new family of EfficientNetV2 is trained to classify the Ambarella fruit ripeness. The pre-trained models are utilized in this work, and the training was done via transfer learning through fine-tuning. EfficientNetV2B0 achieves the highest accuracy of 100% despite having a smaller size than the other EfficientNetV2 models used in this work.

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