ITM Web Conf.
Volume 52, 2023International Conference on Connected Object and Artificial Intelligence (COCIA’2023)
|Number of page(s)||9|
|Section||Artificial Intelligence and its Application|
|Published online||08 May 2023|
Using AraGPT and ensemble deep learning model for sentiment analysis on Arabic imbalanced dataset
1 RITM Laboratory, CED ENSEM Ecole Superieure de Technologie Hassan II University Casablanca, Morocco
2 Research Laboratory on New Economy and Development (LARNED), Faculty of Legal Economic and Social Sciences AIN SEBAA, Hassan II University, Casablanca, Morocco
* Corresponding author: email@example.com
With the fast growth of mobile technology, social media has become important for people to share their thoughts and feelings. Businesses and governments can make better strategic decisions when they know what the public thinks. Because of this, sentiment analysis is an important tool for figuring out how different people’s opinions are. This article presents a deeplearning ensemble model for sentiment analysis. The ensemble model proposed consists of three deep-learning models, Gated Recurrent Unit (GRU), Long Short-Term Memory (LSTM), and Bidirectional LSTM (BiLSTM), as base classifiers. AraBERT is responsible for presenting the textual input data into representative embeddings. The stacking ensemble model then captures the long-range dependencies in the embedding for a given class. As a meta-classifier, Support Vector Machine (SVM) then combines the predictions made by the stacking deep learning model. In addition, data augmentation with AraGPT was implemented to address the imbalanced dataset issues. The experimental results demonstrate that the proposed model outperforms the state-of-the-art models with an accuracy of 88.89%, 90.88%, and 88.23% on the HARD, BRAD, and Twitter datasets, respectively.
© The Authors, published by EDP Sciences, 2023
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