id	keyword
cana-572	cancer
cana-572	breast
cana-572	optimization
cana-572	accuracy
cana-572	learning
cana-572	machine
cana-572	analysis
cana-572	pso
cana-572	testing
cana-572	ratio
cana-572	data
cana-572	precision
cana-572	training
cana-572	breast cancer
cana-572	gwo
cana-572	features
cana-572	vol
cana-572	issn