Sentiment Analysis for Spanish Tweets based on Continual Pre-training and Data Augmentation.
IberLEF@SEPLN(2021)
Abstract
In this paper, we report the solution of the team BERT4EVER for the sentiment analysis task for Spanish tweets in EmoEvalEs@IberLEF 2021, which aims to classify Spanish tweets into one of the following emotional categories: Anger, Disgust, Fear, Joy, Sadness, Surprise or Others. We adopt the monolingual Spanish BERT model to tackle the problem. In addition, we leverage two augmented strategies to enhance the classic fine-tuned model, namely continual pre-training and data augmentation to improve the generalization capability. Experimental results demonstrate the effectiveness of the BERT model and two augmented strategies.
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Key words
spanish tweets,data augmentation,pre-training
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