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All Journal TEKNIK INFORMATIKA Syntax Jurnal Informatika KLIK (Kumpulan jurnaL Ilmu Komputer) (e-Journal) JURNAL MEDIA INFORMATIKA BUDIDARMA Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Informatika Universitas Pamulang Jurnal Nasional Komputasi dan Teknologi Informasi Jurnal Manajemen Informatika dan Sistem Informasi Jurnal Informatika dan Rekayasa Elektronik Journal of Information Systems and Informatics bit-Tech Jurnal Teknologi Dan Sistem Informasi Bisnis JISA (Jurnal Informatika dan Sains) Jurnal Sistem Informasi dan Sains Teknologi Jurnal Ilmu Komputer dan Sistem Informasi (JIKOMSI) Jurnal Teknik Informatika (JUTIF) Jurnal Pengembangan Sistem Informasi dan Informatika Jurnal Penelitian Inovatif Academic Journal of Computer Science Research (AJCSR) Indonesian Community Journal Jurnal Teknoif Teknik Informatika Institut Teknologi Padang Jurnal Mahasiswa Ilmu Komputer Jurnal Pengabdian Pada Masyarakat Abdimas Mandalika INTERNAL (Information System Journal) Jurnal Informatika & Teknologi Cerdas (JITC)
Muhammad Darwis
Universitas Paramadina
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Implementation of TF-IDF Algorithm and K-mean Clustering Method to Predict Words or Topics on Twitter Darwis, Muhammad; Pranoto, Gatot Tri; Wicaksana, Yusuf Eka; Yaddarabullah, Yaddarabullah
JISA(Jurnal Informatika dan Sains) Vol 3, No 2 (2020): JISA(Jurnal Informatika dan Sains)
Publisher : Universitas Trilogi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31326/jisa.v3i2.831

Abstract

The social media time line, especially Twitter, is still interesting to follow. Various tweets delivered by the public are very informative and varied. This information should be able to be used further by utilizing the topic of conversation trends at one time. In this paper, the authors cluster the tweet data with the TF-IDF algorithm and the K-Mean method using the python programming language. The results of the tweet data clustering show predictions or possible topics of conversation that are being widely discussed by netizens. Finally, the data can be used to make decisions that utilize community sentiment towards an event through social media like Twitter.  
Development of Smart Plant Watering System Application Based on Internet of Things Bachtiar, Adnan Nuur; Faisal, Mochammad; Darwis, Muhammad
JISA(Jurnal Informatika dan Sains) Vol 8, No 1 (2025): JISA(Jurnal Informatika dan Sains)
Publisher : Universitas Trilogi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31326/jisa.v8i1.2208

Abstract

In 2024, air pollution levels in Jakarta were recorded as the highest in Southeast Asia, based on various air quality monitoring reports. This condition has become an increasingly alarming environmental issue, with pollution levels frequently exceeding the safe threshold set by the World Health Organization (WHO). One of the efforts by the Jakarta Provincial Government to address this problem is a free plant distribution program for the public. Plants play a crucial role in absorbing carbon dioxide, producing oxygen, and reducing airborne pollutant particles. However, plant maintenance—especially watering—poses its own challenges. Inefficient watering can cause plants to experience stress, wilt, or even die. With the advancement of technology, an automatic plant watering system based on the Internet of Things (IoT) presents a potential solution to improve the efficiency and sustainability of plant care. This study aims to develop a smart plant watering system application based on IoT that can automatically control watering based on real-time soil moisture levels. The system was applied to spider plants (Chlorophytum comosum) grown in pots with a diameter of 15 cm. By using an ESP32 microcontroller, a soil moisture sensor (Capacitive Soil Moisture Sensor v1.2), an air temperature and humidity sensor (DHT11), and a water pump, the system automatically activates watering when the soil moisture is below 55% and stops when it exceeds 65%. Sensor data is stored in a database and displayed through a web-based application for remote monitoring.
IoT Implementation for Hydroponic Water Monitoring Using Web-Based pH and TDS Sensors with Node-Red Faisal, Mochammad; Bachtiar, Adnan Nuur; Darwis, Muhammad
JISA(Jurnal Informatika dan Sains) Vol 8, No 1 (2025): JISA(Jurnal Informatika dan Sains)
Publisher : Universitas Trilogi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31326/jisa.v8i1.2209

Abstract

Due to land scarcity, rapid urbanization, and shrinking agricultural space, urban environments such as Jakarta face increasing agricultural challenges. By enabling efficient, soil-free cultivation in limited areas, hydroponics has emerged as a promising solution to address these issues. However, ensuring the consistency of the quality of hydroponic water systems, especially in terms of pH and total dissolved solids (TDS), is often done manually, which is ineffective and prone to human error. Several IoT-based solutions have been proposed; however, many rely on cloud services or mobile platforms, which limit accessibility in offline environments. This study introduces a scalable, internet-independent hydroponic water quality monitoring system that uses pH and TDS sensors connected to an ESP32 microcontroller. A Node-RED dashboard, accessible by a browser on a local network, is used by the system to display data in real time, using the MQTT protocol. The system, developed using the IoT Platform Design Methodology, underwent black-box testing to ensure that its data acquisition, transmission, and visualization were accurate. The results showed reliable performance without any functional errors. Classified as a Level 2 IoT system, it allows real-time monitoring without automation and the possibility of future expansion such as data storage and actuator control. The proposed system provides a practical and scalable solution for urban hydroponic farmers working in areas with limited internet connectivity.
CultureFun: An Interactive Web-Based Cultural Learning Platform Using a Human-Computer Interaction Approach Syaqilla Maulidia; Najjuan Al Fariz; Andhika Presha Saputra; Muhammad Darwis
Journal of Information System and Informatics Vol 8 No 2 (2026): April
Publisher : Asosiasi Doktor Sistem Informasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63158/journalisi.v8i2.1472

Abstract

This study aimed to develop CultureFun, a user-centered web-based platform for cultural learning among younger generations. The study addressed the limitation of existing digital cultural learning media, which often rely on text-heavy content and provide limited interactivity. User-Centered Design and Design-Based Research were applied to guide needfinding, empathy-based analysis, iterative prototyping, and usability evaluation. Data were collected through semi-structured interviews and direct observation involving twelve participants aged 10–23 years. The final prototype was evaluated using the System Usability Scale. The results showed that CultureFun was perceived as easy to use and engaging, particularly because the platform presented short cultural content supported by images, quizzes, and mini-games. The platform achieved an average usability score of 72.08, indicating good and acceptable usability. This study concludes that integrating user-centered analysis, iterative prototyping, and gamified interaction can support the development of an effective and usable digital cultural learning platform. However, the findings were limited by the small sample size and the focus on usability rather than direct measurement of learning effectiveness. Future studies are recommended to involve more diverse participants and examine long-term cultural knowledge retention.
Penelusuran Minat Bakat pada Siswa SMP dengan Menggunakan Aplikasi Screening Berbasis Web Darwis, Muhammad; Wulandari, Devi; Hendrowati, Retno; Putri, Wahyuningdiah Trisari Harsanti; Putri, Sofia Tri; Fatih, Muhammad Adillah; Maulana, Reza Arif; Salsabilah, Ghina; Lestari, Maya Gita
Abdimas Mandalika Vol 5, No 3 (2026): April
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/am.v5i3.38053

Abstract

Abstract:  This community service program aims to assist schools in identifying students’ interests and talents more quickly and efficiently through the development of a web-based screening application. The activity was conducted at SMK PKP Cibubur, targeting junior high school students as prospective applicants. The implementation of this program consisted of several stages, including joint planning with partners, needs analysis, instrument design based on the Rothwell Miller Interest Blank (RMIB), application design and development using Moodle with PHP and MySQL, user training, screening implementation, as well as evaluation and data processing. The results show that the developed application facilitates the online assessment of students’ interests and talents, allowing participants to obtain results immediately after completing the test. The program involved 378 students and was carried out successfully. Based on the evaluation results, user acceptance reached an average of 72%, categorized as “agree,” while the school expressed high satisfaction due to the faster, easier, and more efficient process without requiring significant resources. Therefore, the web-based screening application in this program effectively supports the process of identifying students’ interests and providing appropriate major recommendations.Abstrak: Program pengabdian kepada masyarakat ini bertujuan untuk membantu sekolah dalam menelusuri minat dan bakat siswa dengan lebih cepat dan efisien melalui pengembangan aplikasi screening berbasis web. Kegiatan dilaksanakan di SMK PKP Cibubur dengan sasaran siswa SMP sebagai calon peserta didik. Pelaksanaan PKM ini dilakukan meliputi beberapa tahapan, yaitu perencanaan bersama mitra, analisis kebutuhan, perancangan instrumen berbasis Rothwell Miller Interest Blank (RMIB), perancangan dan implementasi aplikasi menggunakan Moodle berbasis PHP dan MySQL, pelatihan pengguna, pelaksanaan screening, serta evaluasi dan pengolahan data. Hasil pengabdian menunjukkan bahwa aplikasi yang dikembangkan mampu mempermudah proses penelusuran minat bakat secara daring dengan hasil yang dapat diperoleh secara langsung oleh peserta. Kegiatan diikuti oleh 378 siswa dan berjalan dengan baik. Berdasarkan hasil evaluasi, tingkat penerimaan pengguna mencapai rata-rata 72% dengan kategori setuju, serta pihak sekolah menyatakan sangat puas karena proses menjadi lebih cepat, mudah, dan efisien tanpa membutuhkan banyak sumber daya. Dengan demikian, aplikasi screening berbasis web dalam PKM ini efektif mendukung proses penentuan minat dan rekomendasi jurusan siswa.
Pengembangan InciTrack (Incident Tracker): Situs Web Pelaporan Kecelakaan Jalan Tol Menggunakan Metode Waterfall Putra, Aditya Pratama; Hendrowati, Retno; Mawardin, Muhammad Darwis
Jurnal Nasional Komputasi dan Teknologi Informasi (JNKTI) Vol 9, No 1 (2026): Februari 2026
Publisher : Program Studi Teknik Komputer, Fakultas Teknik. Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jnkti.v9i1.10456

Abstract

Abstrak - Pengembangan aplikasi berbasis web InciTrack dilakukan sebagai upaya menyediakan sistem pelaporan kecelakaan di jalan tol yang terintegrasi. Meningkatnya jumlah kecelakaan lalu lintas, khususnya pada ruas jalan tol, mendorong perlunya sistem yang mampu memfasilitasi masyarakat dalam melaporkan kejadian serta mengakses informasi kecelakaan secara tepat waktu. Sistem dikembangkan dengan pendekatan waterfall melalui tahapan berurutan yang terdiri atas analisis kebutuhan pengguna, pemodelan sistem menggunakan Unified Modeling Language (UML), implementasi aplikasi, dan pengujian fungsional. Hasil penelitian menunjukkan bahwa aplikasi InciTrack mampu mempermudah proses pelaporan kecelakaan oleh pengguna jalan tol, sehingga mendukung petugas patroli lapangan dalam merespons insiden secara lebih cepat dan akurat. Dengan demikian, aplikasi ini berpotensi memberikan kontribusi terhadap peningkatan keselamatan lalu lintas di jalan tol.Kata kunci : Website; Metode Waterfall; Metode Blackbox; UML; Jalan Tol; Abstract - The InciTrack web-based application was developed as an effort to provide an integrated accident reporting system on toll roads. The increasing number of traffic accidents, particularly on toll roads, has driven the need for a system that facilitates the public in reporting incidents and accessing accident information in a timely manner. The system was developed using a waterfall approach through sequential stages consisting of user requirements analysis, system modeling using Unified Modeling Language (UML), application implementation, and functional testing. The results show that the InciTrack application can simplify the accident reporting process for toll road users, thereby supporting field patrol officers in responding to incidents more quickly and accurately. Therefore, this application has the potential to contribute to improving traffic safety on toll roads.Keywords: Website; Waterfall Method; Blackbox Method; UML; Toll Roads;
Co-Authors Agam, Reza Agustiranti, Tifani Agustiranti, Tiffani Ahady, Nur Akhmad Fathir Albarri, Rifqi Alwan Alexander Muhammad Akbar Khan Almubarok, Fahad Farhan Alsauqi, Rayhan Amali Amali Andhika Presha Saputra Apriani, Debi Arifianto, Firman Asafalex Asafalex Ayu, Jenar Mahesa Aziz, Ikhwana Fakih Nur Bachtiar, Adnan Nuur Barcah, Quintin Kurnia Dikara Darwis Mawardin, Muhammad Devi Wulandari Diki Gita Purnama Diki Gita Purnama, Diki Gita Dinda Khoirunnisa Elza Dwi Juniar Erwindiaztama, Erwindiaztama Faisal, Mochammad Fatih, Muhamad Adillah Fatih, Muhammad Adillah febri, febrianto Febrianto Febrianto, Febrianto Firmansyah, Dodik FIRMANSYAH, MOCHAMMAD Garibaldi, Muhammad Adib Gatot Tri Pranoto Ghiffari, Bilal Al Gilbert Parera Gita Purnama, Diki Hafifi, Akrom Hafiizh Asrofil Al Banna Hasbi Yallah Hasibuan, Liyando Hermawan Hendrowati, Retno Iqnal Shalat SW Islamiyati, Dhea Julia Wulandari, Vani Kautsar, Rahagi Kosim, Mochammad Alvian Kurdiana, Aulia Khalfani Izzati kurniawan, Arya Kurniawan, Arya Maulana Lestari, Maya Gita M Firmansyah Maulana, Reza Arif Mawardin, Muhammad Darwis Mochammad Alvian Kosim Mochammad Alvian Kosim Muh. Darwis Muhamad Adillah Fatih Muthasina, Faisal Yahya Najjuan Al Fariz Nakia Natassa Putri, Sofia Tri Putri, Wahyuningdiah Trisari Harsanti Quintin Kurnia Dikara Barcah Rabbani, Sarah Surya Rahmatullah, Muhammad Iqbal Rayhan Alsauqi Retno Henrowati Reza Arif Maulana Rizki Reza Pratama Rosidah, Sri Alia Salsabilah, Ghina Saputra, Bagas Septiana, Nana Setiawan Restu Aji Setiawan Restu Aji Suto, Lintang Arbi Syaqilla Maulidia Tiaharyadini, Rizka Tri Wahyuti Trisari, Wahyuningdiah Vikri Muhammad Gafar Wahyuningdiah Trisari Harsanti Putri Wicaksana, Yusuf Eka Wiwik Handayani Yaddarabullah, Yaddarabullah