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All Journal JOIN (Jurnal Online Informatika) Jurnal Informatika INFOMATEK: Jurnal Informatika, Manajemen dan Teknologi JISA (Jurnal Informatika dan Sains) Journal of Applied Data Sciences Jurnal Mandiri IT International Journal Software Engineering and Computer Science (IJSECS) Jurnal Informatika Teknologi dan Sains (Jinteks) Journal of Scientific Research, Education, and Technology
Anggara, Afwan
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Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Library & Information Science Mathematics Mechanical Engineering Social Sciences

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Sentiment analysis of the 2024 election using the naïve bayes method using data x Zidan, Ahmad Halim Faizal; Handayani, Irma; Anggara, Afwan
Jurnal Mandiri IT Vol. 14 No. 2 (2025): Computer Science and Field
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mandiri.v14i2.471

Abstract

Text mining is a process for utilizing the vast amounts of data generated in today’s digital era. The rapid growth of social media usage has produced extensive textual data, one of which can be analyzed through sentiment analysis. This study uses the social media platform X to analyze public opinions regarding the 2024 Indonesian General Election. The analysis was conducted using 126 user comments as the dataset and 103 reviews as the testing data, which were then processed using the Naive Bayes method. Text mining with the Naive Bayes algorithm can be applied to examine public opinions and sentiments toward the 2024 election on X. The results of the analysis classify sentiments into positive, negative, and neutral categories.
Poincaré Plot Method for Physiological Analysis of the Gadget Use Effect on Children Stress Level Zaky, Umar; Anggara, Afwan; Zakariyah, Muhammad; Fathullah, Ilham
JOIN (Jurnal Online Informatika) Vol 7 No 1 (2022)
Publisher : Department of Informatics, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/join.v7i1.809

Abstract

Stress in children can affect the way they think, act, and feel. The habit of using gadgets has several advantages and disadvantages, but there has been no in-depth study of the effect of using gadgets on stress levels in children. This study aims to determine the representation of the physiological condition of using gadgets on stress levels in children. A total of 18 electrocardiogram data were extracted with poincaré plot features. This research has found that there is no difference in the level of stress in children between before and after using gadgets in terms of autonomic nervous activity (Sig. > 0.05). However, there is an increase in sympathetic activity that occurs in children even though they have finished using gadgets. Such conditions certainly need to get more attention, especially related to the duration of gadget use and accessible content.
Merapi Volcano Refugee Management Information System Saputro, Muhammad Ikhwan Maulana; Anggara, Afwan
Journal of Scientific Research, Education, and Technology (JSRET) Vol. 4 No. 4 (2025): Vol. 4 No. 4 2025
Publisher : Kirana Publisher (KNPub)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58526/jsret.v4i4.955

Abstract

The Mount Merapi Refugee Management Information System is a system designed to provide information related to the evacuation process in emergencies or disaster situations. The main purpose of this system is to assist and ensure safety and efficiency in the evacuation process. This system can include various elements, such as emergency monitoring, early warning, evacuation plans, evacuation routes, barracks capacity, rescue team coordination, and the latest information for the affected communities. This system is used to optimize the evacuation process of residents when Mount Merapi erupts. By utilizing communication technology, this system provides real-time information on volcanic activity developments, determines evacuation zones in the Merapi disaster area, and provides guidance and notifications to communities around Mount Merapi through various communication channels. The integration of geospatial data and mapping enables the identification of the best evacuation routes, while a user-friendly interface facilitates access and interaction for users. This system is expected to improve evacuation efficiency, minimize risks, and enhance the safety of communities in areas affected by Mount Merapi disasters. The Evacuation Information System is expected to improve coordination, rapid response, and community safety in dealing with emergency situations.
Office Application with Google Calendar and AI Chatbot Integration for PT Pertamina Hulu Rokan Based on Flutter Hayuningtyas, Andina Aura; Anggara, Afwan
JISA(Jurnal Informatika dan Sains) Vol 8, No 2 (2025): JISA(Jurnal Informatika dan Sains)
Publisher : Universitas Trilogi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31326/jisa.v8i2.2526

Abstract

Effective office management is essential for improving organizational efficiency in the Industry 4.0 era. At PT Pertamina Hulu Rokan, the lack of a mobile-based system has led to fragmented data management, poor schedule coordination, and limited real-time communication, resulting in operational inefficiencies. To address these issues, this study develops a Office Application with Google Calendar and AI Chatbot Based on Flutter integration as a comprehensive digital solution to modernize office management. Flutter was chosen because it enables cross-platform development using a single codebase for both Android and iOS, reducing development time and maintenance costs while maintaining consistent performance. The system integrates Firebase for secure authentication and data management, Google Calendar API for automatic schedule synchronization, and an AI-powered chatbot for intelligent, automated communication. Developed using the Agile methodology, the application underwent iterative refinement and testing to ensure reliability and usability. The results show that the system enhances coordination, strengthens internal communication, and improves administrative efficiency. This research demonstrates that implementing Flutter with Google Calendar and AI Chatbot provides an effective, scalable approach to achieving digital transformation in large industrial organizations.
Design of a Medical Guide and Healthy Lifestyle Application for Pregnant Women Based on Flutter Web Mobile Br. Panggabean, Chaterine Laura; Anggara, Afwan
JISA(Jurnal Informatika dan Sains) Vol 8, No 2 (2025): JISA(Jurnal Informatika dan Sains)
Publisher : Universitas Trilogi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31326/jisa.v8i2.2541

Abstract

Pregnancy is a period women that requires careful health monitoring and access to accurate medical information, yet pregnant women still face limitations in accessing digital platforms that provide structured health guidance. This study focuses on developing a web-mobile application using the Flutter framework to deliver medical guidelines and healthy lifestyle recommendations for pregnant women at Puskesmas Mlati 1 Yogyakarta. The development process applies the Waterfall model, which includes requirement analysis, system design, implementation, testing, and maintenance. The main features of the application include medical guidelines, a medical terminology dictionary, healthy food recommendations, examination schedule checking, and daily healthy lifestyle tips. The user interface is designed to be responsive and easy to use, enabling users to access the provided information conveniently. The testing results show that the application runs well across various devices and is capable of supplying the information needed by pregnant women throughout their pregnancy. This application is expected to serve as a practical and educational information tool that supports the improvement of maternal health literacy through digital technology.
Co-Authors Br. Panggabean, Chaterine Laura Enny Itje Sela Fathullah, Ilham Friwaldi, Restian Dwi Ghazalba, Zaedar Hayuningtyas, Andina Aura Irma Handayani, Irma Nugroho, Faresa Persada, Angga Pradana, David Maulana Putra Rianto Rianto Rusiyana, Shafna Imanda Furica Samudra, Tegar Bayu Saputro, Muhammad Ikhwan Maulana Setyawan, Feri Siregar, Haikal Ferdiansyah Suyud Widiono Umar Zaky Utami, Wahyu Sri Zidan, Ahmad Halim Faizal