Studying the Effects of Text Preprocessing and Ensemble Methods on Sentiment Analysis of Brazilian Portuguese Tweets.
Fernando Barbosa GomesJuan Manuel Adán CoelloFernando Ernesto KintschnerPublished in: SLSP (2018)
Keyphrases
- sentiment analysis
- ensemble methods
- social media content
- sentence level
- brazilian portuguese
- text mining
- prediction accuracy
- opinion mining
- sentiment classification
- benchmark datasets
- random forests
- micro blog
- positive or negative
- text classification
- natural language processing
- base classifiers
- machine learning methods
- decision trees
- social media
- machine translation
- named entities
- information retrieval
- base learners
- user generated
- user generated content
- blog posts
- product reviews
- public opinion
- text documents
- sentiment polarity
- wordnet
- k nearest neighbor
- product features
- support vector machine
- feature extraction
- data mining