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Asri Samsiar Ilmananda
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Journal of Information System and Application Development
Published by Universitas Merdeka Malang
ISSN : 29885698     EISSN : 29884721     DOI : https://doi.org/10.26905
Core Subject : Science,
Computer Science & IT
The Journal of Information System and Application Development (JISAD) is an open-access journal published by the Department of Information System, Faculty of Information Technology, University of Merdeka Malang, Indonesia. JISAD prioritizes the quality of the journal, methodology, and tools and prioritizes a large impact on Information System Technology. The journal is about Information System Management, Application Development and Management, Data Analysis, and IT Infrastructure. JISAD is published twice a year in March and September. JISAD has been published online since 2023.
Arjuna Subject : Ilmu Komputer (semua kategori) - Sistem Informasi
Articles 34 Documents
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Analisis sentimen kebijakan masuk sekolah pukul lima pagi menggunakan algoritma Naïve Bayes Hoar, Wilhelmina Sonya; Zubair, Anis; Muflikhah, Lailil
Journal of Information System and Application Development Vol. 2 No. 1 (2024): March 2024
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jisad.v2i1.10935

Abstract

Education is very important to build a quality young generation that can advance the nation. To improve the quality of education, the government of East Nusa Tenggara implemented a five am school entry policy. However, this policy has caused pros and cons in the community. People are becoming more active expressing their opinions through social media. Criticism of this policy is reflected in comments appearing on social media, especially on Twitter. Therefore, it's important to conduct sentiment analysis to know how many positive and negative responses to this policy. In this research, sentiment analysis was carried out on search results for tweets with the keyword “sekolah jam 5 di NTT” in the time period from February to March 2023. A total of 777 tweets were obtained with 24 positive sentiments and 753 tweets with negative sentiments. The data was then processed and analyzed using the Naïve Bayes algorithmThis research obtained accuracy results of 97% with a negative sentiment precision value of 98% and a positive sentiment precision value of 50%. In addition, the recall and f1-score values for negative sentiment are greater than positive sentiment, indicating that more people do not agree with the policy.
Layanan pelanggan berbasis Natural Language Processing melalui chatbot pada aplikasi pesan Ardiansyah, Ricky Herman; Sulaksono, Aditya Galih
Journal of Information System and Application Development Vol. 1 No. 1 (2023): March 2023
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jisad.v1i1.9858

Abstract

The form of service to customers in an appropriate, fast and easy way is the main thing that every business actor needs to pay attention to. Including how to communicate with customers virtually through messaging applications. With the sophistication of information technology, it can be used to create new opportunities for business actors. One of them is Natural Language Processing or NLP technology which allows machine interaction with human natural language. This study aims to provide messaging services to customers effectively and efficiently. Implementation is done by using a chatbot on the messaging application. Chatbot is designed to be able to respond to customer messages automatically and in real-time by implementing the NLP method. Based on the observations made, it is known that the three categories of questions most frequently asked by customers are location, price list, and pick-up service. The results of the study show that chatbots created using natural language can be easily understood and used by customers. Business actors are also facilitated because they no longer need to reply to customer messages one by one, so that service to customers becomes more responsive and optimal.
The participants selection system for Al-Qur'an tahfidz competition using the Simple Additive Weighting method Hidayah, Nurul; Santi, Indyah Hartami; Primasari, Yusniarsi
Journal of Information System and Application Development Vol. 2 No. 2 (2024): September 2024
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jisad.v2i2.14012

Abstract

The Hidayatullah Foundation is an Al-Qur'an-based school that has a tahfidz Al-Qur'an program that is taught every day to students. By holding the Tahfidz competition, it is hoped that it can provide motivation to students to increase their enthusiasm for memorizing the Al-Qur'an. However, so far the selection system that has been carried out by the school still uses manual methods by estimating students who are deemed capable without thorough calculations being carried out. So the selection of students is felt to be unfair and there is no opportunity for other students to take part in the competition. The application of the decision support system uses the Simple Additive Weighting (SAW) method with the results of the grades and ranking of the best students in the Tahfidz program which is carried out through a system calculation process with the first rank with alternative A10 getting a result of 0.996342132 named Alicia from class 3. The test results using the confusion matrix show the value accuracy of 96.9% which indicates a high level of accuracy. It was concluded that the SAW method could be used to select students to take part in competitions.
Perbandingan prediksi jumlah penjualan kapas menggunakan metode dekomposisi aditif dan multiplikatif Kristuadji, Yesaya Arya Danar; Zubair, Anis
Journal of Information System and Application Development Vol. 2 No. 2 (2024): September 2024
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jisad.v2i2.11068

Abstract

PT Taruna Kusuma Purinusa is a company that focuses on the beauty cotton industry with the Selection Cotton brand label. Their product sales are spread in various cities including Malang City. This study aims to determine fluctuations and predict the amount of sales of cotton PT Taruna Kusuma Purinusa Malang and simultaneously compare the two methods of Decomposition, namely Multiplicative Decomposition and Additive Decomposition. The data is secondary on cotton sales from January 2019 to May 2023. The research procedure begins by analyzing the components of the decomposition, namely the trend (𝑇), seasonal (𝑆), cyclical (𝐶) and random (𝐼) components, then multiplying the value of these components. The prediction results show that cotton sales from June to December 2023 are as follows: 1,759,864 in June, 1,691,855 in July, 1,744,614 in August, 1,720,060 in September, 1,746,516 in October, 1,850,913 in November, and 1,893,669 in December. In addition, the proper forecasting method used in the Cotton Sales data at PT Taruna Kusuma Purnisua Malang is the additive decomposition method.
Image classification of leaf disease in corn plants (Zea Mays L.) using the MobileNetV2 method Achmad, Dellyan; Putra, Oddy Virgantara; Muriyatmoko, Dihin
Journal of Information System and Application Development Vol. 2 No. 2 (2024): September 2024
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jisad.v2i2.14004

Abstract

One of the main problems leading to low yields and possible crop failure in maize, a crop of great importance to human civilization, is that plant diseases are discovered and treated too late, leading to more severe diseases and even crop failure. Using photos taken from the Kaggle platform and some field shots, this research seeks to develop a classification system that can identify different types of diseases present on maize leaves. The disease types identified include Common Rust, Gray Leaf Spot, and Bacterial Leaf Blight. MobileNetV2 uses a Convolutional Neural Network (CNN) design to handle resource-intensive processes. To produce a lightweight model, this CNN uses separate corner shifts. The dataset for this study was taken from field shooting and the Kaggle platform. The study found that the MobileNetV2 model clarified objects very well with 93.01% accuracy. This discovery will help farmers find diseases on corn leaves (Zea Mays L.).
Pengembangan sistem informasi penjualan berbasis web pada toko wallpaper dengan metode prototype Wahyuningtyas, Nuryansyah; Utomo, Listanto Tri
Journal of Information System and Application Development Vol. 2 No. 2 (2024): September 2024
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jisad.v2i2.13610

Abstract

Sales information systems are a crucial component for companies, including Toko BIFFA Wallpaper, which requires increased efficiency in product sales. The current manual system causes various problems such as manual recording of transactions, income, and expenses, as well as ineffective archiving and management of daily and monthly financial reports. This research aims to build and implement a web-based sales information system to facilitate cashiers and owners of Toko BIFFA Wallpaper Kepanjen in managing, storing, and searching transaction data and reports. The method used is the prototype method, which includes needs analysis, rapid design, prototype construction, initial user evaluation, prototype improvement, and system development. The system is developed using PHP programming language and MySQL database, with testing conducted using the blackbox technique. The test results show that the system's appearance and features function well and meet user needs. This research concludes that the developed web-based sales information system significantly aids and facilitates cashiers and owners of Toko BIFFA Wallpaper Kepanjen in sales management, increasing efficiency and reducing manual errors.
Sistem informasi manajemen ticketing event dengan payment gateway berbasis Node.js dan Next.js Prasetyo, Ari Yogi; Swalaganata, Galandaru
Journal of Information System and Application Development Vol. 2 No. 2 (2024): September 2024
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jisad.v2i2.12982

Abstract

FTI Fest is a music concert event organized by one of the faculties at Merdeka University Malang. In its management, the FTI Fest event still uses various manual methods and tends to be less effective in carrying out transaction processes, especially in terms of ticket sales. Therefore, a management information system is needed that is tailored to your needs to make ticket ordering easier. This research aims to design and develop an event ticketing management information system using the waterfall method. The research stages were carried out starting from system requirements analysis, system design, implementation, system testing, to maintenance. The results of functionality testing show that the system functions well and is suitable for use. The information system developed in this research can make it easier for admins or event managers to manage events and tickets and simplify the process of recording transactions. Apart from that, with a payment gateway, buyers can make event ticket purchase transactions anywhere and anytime.
Layered security model through integration of Vigenere and Hill Cipher in digital message encryption Ramadhani, Argia Putri; Tami, Nanda Putri; Lestari, Asih; Erkamim, Moh
Journal of Information System and Application Development Vol. 2 No. 2 (2024): September 2024
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jisad.v2i2.14005

Abstract

The rapid development of digitalization has a significant impact on data and information protection. One approach to protecting data and information is through the use of cryptography. The research aims to combine the use of Vigenere and Hill Cipher algorithms in modeling to maintain the security and confidentiality of digital messages. The focus of this research is on the process of encrypting digital text messages. The layered security in this study takes advantage of the advantages of each algorithm. The combination of the two is designed to increase the complexity of encryption and reduce vulnerability to cryptanalytic attacks. The encryption process starts with using Vigenere Cipher for initial message encrypting, then the results are re-encrypted using Hill Cipher. Research shows that this layered security model can improve data security and make it more difficult for uninterested parties to decipher it. The combination of Vigenere's and Hill Cipher's algorithms could be one of the layered security alternatives to digital message encryption in an effort to protect information and data from security threats in the digital age.
Analisis Technology Acceptance Model pada penggunaan website Prodamas Plus sebagai media informasi masyarakat Andanuwari, Reo Aldo; Indana, Luthfi; Dewi, Shabrina Syntha
Journal of Information System and Application Development Vol. 1 No. 1 (2023): March 2023
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jisad.v1i1.9869

Abstract

Prodamas is a community empowerment program initiated by the Mayor of Kediri in 2019. This program aims to improve people's welfare economically and socially. In 2021, Prodamas upgraded to Prodamas Plus to reach a wider field. The purpose of this study was to determine the effectiveness of a website created as an information media related to Prodamas Plus in Kediri City. The method used is the Technology Acceptance Model method with five variables including: perceived ease of use, perceived usefulness, attitude toward using, behavioral intention to use and actual system usage. The results of the study show that Perceived Ease of Use (PEOU), Perceived Usefulness (PU), Attitude Toward Using (ATU), and Behavioral Intention To Use (IU) simultaneously affect Actual System Usage (AU). So based on the results of this study it can be concluded that the use of the website is considered effective in conveying information to the people of Kediri City.
Implementasi model Dynamic Systems Development untuk mengembangkan sistem informasi coffe shop berbasis website Elungan, Owen Vanessa Ariella; Sulaksono, Aditya Galih
Journal of Information System and Application Development Vol. 2 No. 1 (2024): March 2024
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jisad.v2i1.11042

Abstract

The trend of Micro, Small and Medium Enterprises (MSMEs) in the form of coffee shops continues to grow in Indonesia, including those that are currently often found in the Kepanjen area, Malang Regency. For communication needs, these shops form a community as a means of sharing information. Even though there are many benefits gained from the community, the platforms used are still limited to social media. This research aims to develop a website-based information system which will make it easier to manage activities that are being or will be carried out by the coffee shop community in the Kepanjen area. The Dynamic Systems Development model is used in this research as a benchmark for developing information systems. The results of system functional testing show that the website built can run well and is suitable for use. Through this information system, coffee shop owners located in Kepanjen can register to be promoted on the website. Apart from that, the information system created can make it easier to find information about coffee shops in the Kepanjen area.

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