Jurnal Sistem Komputer dan Informatika (JSON)
Vol. 7 No. 3 (2026): Maret 2026

Improved Text Classification for Indonesian Hate Speech Detection: FastText-LSTM Model with Easy Data Augmentation

Wicaksana, Hilman Singgih (Unknown)
Huda, Khairul (Unknown)
Airlangga, Gregorius (Unknown)



Article Info

Publish Date
31 Mar 2026

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.

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Journal Info

Abbrev

JSON

Publisher

Subject

Computer Science & IT Control & Systems Engineering

Description

The Jurnal Sistem Komputer dan Informatika (JSON) is a journal to managed of STMIK Budi Darma, for aims to serve as a medium of information and exchange of scientific articles between practitioners and observers of science in computer. Focus and Scope Jurnal Sistem Komputer dan Informatika (JSON) ...