id	keyword
bracis-19079	features
bracis-19079	table
bracis-19079	sentiment
bracis-19079	portuguese
bracis-19079	google
bracis-19079	scholar
bracis-19079	subjectivity
bracis-19079	language
bracis-19079	sentences
bracis-19079	set
bracis-19079	classification
bracis-19079	learning
bracis-19079	text