How does Portuguese Sentiment Analysis work?
- Lexicon-Based Approach. This method uses predefined lists of words and phrases associated with different sentiments to analyze text and identify its emotional tone.
- Machine Learning Techniques. It involves training classifiers on labeled datasets to predict sentiment on unseen text, improving accuracy over time as more data is processed.
- Deep Learning Models. Utilizes neural networks to automatically learn complex patterns in text, enhancing performance on ambiguous or long texts through contextual understanding.
- Aspect-Based Sentiment Analysis. This technique breaks down reviews or textual content into various aspects or features to assess sentiment on each specific element individually.