id	keyword
bracis-28347	algorithm
bracis-28347	graph
bracis-28347	vertices
bracis-28347	cactus
bracis-28347	solution
bracis-28347	\in
bracis-28347	vertex
bracis-28347	instances
bracis-28347	number
bracis-28347	heuristic
bracis-28347	colors
bracis-28347	problem
bracis-28347	model