id	keyword
bracis-33613	topics
bracis-33613	classification
bracis-33613	text
bracis-33613	provisions
bracis-33613	vertices
bracis-33613	petition
bracis-33613	graph
bracis-33613	hierarchy
bracis-33613	approach
bracis-33613	google
bracis-33613	model
bracis-33613	scholar
bracis-33613	label
bracis-33613	set
bracis-33613	citations
bracis-33613	brazil