Investigating Opinion Mining through Language Varieties: a Case Study of Brazilian and European Portuguese tweets.
Douglas VitórioEllen Polliana Ramos SouzaIngryd PereiraAdriano L. I. OliveiraPublished in: STIL (2017)
Keyphrases
- opinion mining
- sentiment analysis
- topic modeling
- product features
- social media
- sentiment classification
- online product reviews
- natural language
- opinion mining and sentiment analysis
- customer reviews
- product reviews
- artificial intelligence
- named entities
- knowledge representation
- online reviews
- news articles
- public opinion
- active learning
- opinion retrieval
- learning algorithm