id	keyword
cana-2689	network
cana-2689	sensor
cana-2689	routing
cana-2689	coverage
cana-2689	energy
cana-2689	step
cana-2689	wsns
cana-2689	edge
cana-2689	nodes
cana-2689	data
cana-2689	algorithm
cana-2689	computing