Comparing Portuguese Opinion Lexicons in Feature-Based Sentiment Analysis.

Larissa A. de Freitas Renata Vieira

Published in: Int. J. Comput. Linguistics Appl. (2013)

Keyphrases

sentiment analysis
opinion mining
sentiment classification
sentence level
sentiment lexicon
product reviews
text classification
multi aspect
natural language processing
opinion words
text mining
databases
public opinion
online reviews
product features
collective classification
expert systems