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Improved Text Classification for Indonesian Hate Speech Detection: FastText-LSTM Model with Easy Data Augmentation Wicaksana, Hilman Singgih; Huda, Khairul; Airlangga, Gregorius
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 7 No. 3 (2026): Maret 2026
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v7i3.9637

Abstract

The swift expansion of social media in Indonesia has led to a significant rise in hate speech, highlighting the urgent need for effective automated detection techniques. This research evaluates the performance of the proposed FastText-Long Short-Term Memory with Easy Data Augmentation (FastText-LSTM-WE) compared with the baseline model, FastText-Convolutional Neural Network with Easy Data Augmentation (FastText-CNN-WE). To further investigate the impact of data augmentation, the effectiveness of both FastText-Long Short-Term Memory without Easy Data Augmentation (FastText-LSTM-WO) and FastText-Convolutional Neural Network without Easy Data Augmentation (FastText-CNN-WO) was also assessed. Bayesian Optimization was employed to identify the best hyperparameter configurations for each model. The experiments were carried out on a dataset comprising 14,306 samples while maintaining consistent experimental conditions. Model performance was measured using precision, recall, F1-score, and accuracy derived from the confusion matrix. The results indicate that FastText-LSTM-WE achieved the highest performance, with precision, recall, F1-score, and accuracy of 84.02%, 83.16%, 83.59%, and 81.37%, respectively. These findings demonstrate that the proposed model provides a robust and reliable solution for detecting hate speech within the Indonesian context, thereby improving automated content moderation systems in practical applications.
Co-Authors Abda Abda Ahmad Muzanni Airlangga, Gregorius Akbar, Muhammad Farid Akmal, Muhammad Farras Al Karim Rambe, Rahmansyah Fadlul Ali Amran Amalia, Arfika Meidina Amalia, Farah Amni, Nur Hidayatul Anam, M. Chairul Astuti, Farida Herna Baehaqi Baiq Sarlita Kartiani, Baiq Sarlita Kartiani Bhakti, Baily Diaz Nizaldi Dennis, Gilbert Rayi Derza Polas, Caesaredo Devi, Santi Dina Fahira Dwi Indah Iswanti Dwicahya Putra, Hervico El-Hakim, Muhammad Yusril Febriana, Esra Fery Agusman Motuho Mendrofa Firmansyah, Dandy Ghassani, Aldyth Gilang Ramadhan Gunawan, I Made Sonny Gunawan, Made Hadi, M. Samsul Hadiyaturido, Hadiyaturido Hadiyaturridho, Hadiyaturridho Hadiyaturrido Herlina, Youfih Husnus Sawab Indo Santalia Intan Dwi Hastuti Irmawati Irmawati Ivan, Teuku Jafar, Usman Jatiningtyas, Noor Aini Kholisussa'di Kholisussa'di Kusmawati, Ruhil Kusnadi Laura Sabrina, Ratih Mardani, Santika Putri Mardiansyah, Andri Maryati, Rohana Maulana, Adithiajaya Muftiadi, Muftiadi Muhamad Dias, Muhamad Dias Mujahidah, Sa'adah Mujiburrahman Mujiburrahman Mujmal Mursidah Musra, Fauziyyah Mustakim, Ichwanul Muzakkir Muzakkir Nh. Salsabiela Novawan, Angga Nurul Iman, Nurul Pohan, Sry Dhina Pratama, Riqfi Aditya Prawita, Tiwidian Puja, Dewi Purmadi, Ary Rachmadhika, Galang Rahmanda, Rizky Rahmawati, Novie Ramadhiyani, Tyesha Rapi, Muh Ridwan, Nasrullah Rohayati, Ati Sandi Romy, Achmad Sa'di, Kholisus Saenong, M. Kafrawy Safira, Resi Sari, Patricia Widya Sarilah, Sarilah Sawab Sawab Setiawan, Muhammad Rinaldy Shalsabila Fauzana, Tiara Soraya, Egiana Sri Hartati Sugiharto, Dede Lucky Sulastri, Melati Sutarto Sutarto Suzanna Ndraha Syamsuddin Syamsuddin Syauqi, Muhammad Tjahjadinata, Ruddy Ula, Amalia Jumadil Ulwan, T.M. Inayatul Wicaksana, Hilman Singgih Wicaksono, Galih Adi Winata, Aliahardi Zhafira, Nurisya Ghina