Intelligent identification of hate speeches to address the increased rate of individual mental degeneration

Lamima Tabassum Ava, Asif Karim, Md Mehedi Hassan, Fahad Faisal, Sami Azam, A. S.M.Farhan Al Haque, Sadika Zaman

Research output: Contribution to journalArticlepeer-review

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Abstract

Hate speech is a public statement that demonstrates resentment or provokes disturbance towards a person or group often based upon race, age, religion, sexual orientation, minority group, psychical disability, political belief, etc. Such an act is a leading cause of mental degeneration in individuals observed throughout the world. We have witnessed an upsurge in the spreading of hateful speech through videos in recent times due to increased social media usage. Researchers are working on this issue because it has become more frequent on several social media platforms, and it leads to low self-esteem and has significant negative impacts on human life. In this work, we focus on collecting data from such videos as nowadays people are sharing numerous videos of this negative nature on platforms like Facebook and YouTube. The audio data of these videos were then converted into text to build the dataset, and we applied some classifier models to our dataset. In this paper, we utilized a transfer learning Bidirectional Encoder Representations from Transformers (BERT) model that gives state-of-The-Art outcomes. More precisely, we fine-Tuned our model based on transfer learning to evaluate BERT's capacity to capture hostile contexts inside YouTube videos. We examined Fine-Tuning BERT; with different learning rates and listed the outcomes. We train the BERT by freezing all the hyperparameters but with various random seeds to evaluate our suggested Fine-Tuning approach. Compared to previous methodologies that used our dataset, our proposition fared better in terms of accuracy and execution time.

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