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Subandi
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Journal : Journal of Soft Computing Exploration

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Web-based sentiment analysis of environmental issues on social media X: A comparison of svm and random forest Subandi; Budi Nugroho, Agus Setiyo; Hidayat, Muhammad
Journal of Soft Computing Exploration Vol. 7 No. 2 (2026): June 2026
Publisher : SHM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52465/joscex.v7i2.55

Abstract

This study aims to compare the performance of Support Vector Machine (SVM) and Random Forest (RF) in classifying public sentiment toward environmental issues on social media X (formerly Twitter) and to develop a web-based system for sentiment monitoring and visualization. A total of 47,245 tweets from 2021–2025 were collected using 24 environmental keywords. The data were processed through text cleaning, tokenization, stopword removal, and stemming. Sentiment labeling was performed automatically using a lexicon-based approach with the InSet dictionary, resulting in positive, negative, and neutral classes. After filtering, 13,063 tweets were used for model training. Classification employed TF-IDF features and 5-fold cross-validation. The results indicate that SVM outperformed RF with an accuracy of 83%, compared to 81%. Both models performed well in identifying sentiment polarity, although challenges remain in classifying neutral sentiment. The novelty of this study lies in integrating lexicon-based labeling with machine learning and implementing it in a web-based system for automated analysis and visualization. Practically, this system supports stakeholders in monitoring public opinion and enables data-driven decision-making in environmental policy and management.
Co-Authors A. Muslimin Abidin Muhammat Agus Pahrudin AGUS SETIAWAN Ahmad Mukhlishin Ahmad Muklisin Ahmad Muslimin Ailsa Azalia Akmal Attamimi Alfusanah, Fadilatul Amalia Fitri, Tin Amiruddin Andriyanto, Octo Ansori, Ahmad Faisol Apriyadi Wardhana Ari Purnomo Arifin Noor Asyikin Arista, Cicik Arnes Agustin ARY SUBIYANTORO Asna Lutfiani Astri Shabrina Ayu Anggia, Rifka Ayu Dian Pratiwi Permatahati Bagus Yunianto Wibowo Baharuddin Baharudin Bahren, M. Budi Nugroho, Agus Setiyo Citra Ayu Anggraini Citra Rianzani Darni Deden Makbuloh Dhevy Olivia Firdaus Diah Ayu Novitasari Didik Kusno Aji Nugroho Dwi Alvionita, Cindy Dzun Nun Septin Renda Rabbani Eka Rusiani Eko Wahyudi Ermanita Permatasari Fadhila Umar Fahroni Farouk, Umar Fathurrahman, Iqbal Mustofa Finny Ligery Fuad Sholihin Ghati Firmansyah Ghufron Faqih Hammada Abbas Hanifa, Shafira Nur Hendy Kurniawan Hensi Ayu Nur Alya Heru Juabdin Sada Hikmawati, Rita Ida Umami Iffa Mar'atus Shohibul Birri Ihsan Mustofa Indah Sari Innayatul Mukhtamiroh Isma Kamila Iwan Setiawan Jamal Fakhri Juliater Simamarta Junaina Karnowahadi Koderi Lin Xinyue Mahmud, Ujang Mar'atus S.B, Iffa Mariatul Kiftiah MARTINI Marwiyah Maskumi Masrur, Muhammad Farhan Megawati Mintowati Muhamad Agus Mushodiq, Muhamad Agus Muhammad Agus Mushodiq MUHAMMAD AMIR Muhammad Hidayat Muhammad Marsal Kamil Muhammad Muchsin Afriyadi MUHAMMAD YUSUF Muzakki, Muhammad Rizqi Nadzifah, Siti Fitrotun Neti Kusuma Novia Dwi Arini Nurani Nurleni Wahyuningsih Nurma Pratiwi Oki Dermawan Ony Ilma Kumala Sari Patonah Qorie, Tiffany Rabbani, Dzun Nun Septin Renda Rachmatsyah, T. Herry Ren Huiling Rezki Gunawan Ridho Apriyadi Rina Mida Hayati Rizal Ferdiansyah Rizki, Febi Akbar Rokhishotul Amaliyah Romlah Saifullah Samsul Hadi Sarinah Sarinah Sayekti, Levia Inggrit Sa’idy Sela Kholidiani Shaffira, Mutia Rizkia Sholihin Singgih Dwi Prasetyo Siswanto Siti Munawaroh SITI NURJANAH Siti Patimah Sity Maryamah Suci Amalia Sulthan Syahril Suntiaji Yudho Negoro Suryaningtiyas Puspa Wardhani Susi Nawanti Sutrisno Eko Prayogo Syafrudin, Encep Syarifudin, Encep Tika Leoni Tri Yuli Lestari Trian Hermawan TUKIRAN Two Bagas Akma Hasada Vera Astuti, Vera Vina Oktariana Wadzuriyati, Badriyah Wiedayanti, Destine Fajar Yogi Bagus Adhimas Yogi Gunawan Yousf Bellin Swarli Yuni Lestari Yunita Widia Putri Zahdi