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All Journal J-Intech (Journal of Information and Technology) Formosa Journal of Computer and Information Science Internet of Things and Artificial Intelligence Journal Jurnal Sistem Cerdas dan Rekayasa RJOCS (Riau Journal of Computer Science) Jurnal Pengabdian Masyarakat Ilmu Komputer Journal of Information Technology
Rahmansyah, Rizky
Universitas Prima Indonesia, Indonesia
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Environmental Science Library & Information Science Social Sciences

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Journal : Formosa Journal of Computer and Information Science

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The Application of Naive Bayes in Analyzing Public Sentiment Toward the Performance of the North Sumatra Regional Government in Handling Flash Floods Siburian, Rivaldo; Tampubolon, Rikki Josua; Surbakti, Valentino; Haris, M. Irvandy; Rahmansyah, Rizky
Formosa Journal of Computer and Information Science Vol. 5 No. 1 (2026): March 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjcis.v5i1.16417

Abstract

This study analyzes public sentiment towards the performance of the North Sumatra Regional Government in handling flash floods using the Multinomial Naive Bayes algorithm. A total of 1,132 opinion data points were collected from social media and news portals through web crawling from November 2025 to February 2026. Sentiment labeling was performed using a lexicon-based approach with the InSet dictionary. Classification results showed a dominance of negative sentiment at 88.4%, focusing on slow emergency response. Model evaluation with an 80:20 data split yielded 89.43% accuracy and an F1-Score of 0.844 for Naive Bayes, while SVM achieved the highest F1-Score (0.855). This study concludes that AI-based sentiment analysis can serve as an objective instrument for government performance auditing.
Co-Authors Alifia Restu Selvanda Cut Mutia Cut Mutia, Cut Dori Gusti Alex Candra Fauziah Fauziah Fauziah Fauziah Filbert Wijaya Fitra Yuda Gunadi Widi Nurcahyo, Gunadi Haris, M. Irvandy Meiditra, Irzon Nelly Astuti Hasibuan Rianto, Aldi Siburian, Rivaldo Surbakti, Valentino Tampubolon, Rikki Josua Yuda, Fitra Yuhandri Yusup, Mohammad