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Hidayat, Muhammad
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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; Agus Setiyo Budi Nugroho; Muhammad Hidayat
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 -, Maison Abdi Wahab Abdurahman Aflakh Wijayanto, Naufal Afriani, Dina Agus Setiyo Budi Nugroho Akhmad Syarwani Ali Muhammad Ana Fitriyatul Bilgies Ana Hadiana Anak Agung Istri Ngurah Eka Karyawati Anggara Setya Saputra Anikusuma, Lioba Evita Annisaul Khoiriyyah Aprina Br Surbakti Ariesti Andrini Arif, M Aidil Arnita Dwi Septiani Ayu Kurnia Sari Badriana Badriana Benni Rusli Darmeli Nasution Delsina Faiza Deni Haryanto Dina Afriani Dirsa Arindra Septian Emon Azriadi Erianjoni Erianjoni Esa Fauzi Fauzan Natsir Firman Maulana, Firman Gunawan Wibisono Gusman, Deddy Gusti Ayu Vida Mastrika Giri Haji Ahmad Makie Haji Ahmad Makie Handoko, Divi Hari Mukti Harpriyanti, Haswinda Helvinda Weni Hendriati Hesty Hesty Ida Ayu Putu Sri Widnyani Ika Suhartanti Darmo Imran Lubis Indra Roza Indrawati, Iin Indriani , Lulu Ayu Jiki Romadoni Kamariah Kamariah, Kamariah M Fadli Ridhani M. BAHRIL ILMI M. Rizki Zulkarnain Mahlil Adriaman Maimaznah, Maimaznah Mega Safitri Mila Triana Sari Muhamad Fawaz Nurfauzan Muria, Irfan Nonong Rahimah, Nonong Paidi Paidi Permadi , Dio Damas Pratama Yogi Putra Jaya Putri Ramadhani Rasmawati A. R. Redo Abeputra Sihombing Rozand, Ardin Saleh, M Nurul Ikhsan Sebastian Ferdi Caras Sinuhaji Soegiarto Soegiarto Sri Wahyuni Subandi Subandi Subandi Subandi Triana Dewi Salma Wati Rinda Yuni Arkhiansyah Zamnna Gea Syafila Zarnelly Zarnelly Zulkarnain, Muhammad Rizki