id	keyword
cana-656	change
cana-656	analysis
cana-656	land
cana-656	urban
cana-656	data
cana-656	area
cana-656	detection
cana-656	classification
cana-656	satellite
cana-656	sensing
cana-656	images
cana-656	method
cana-656	cities
cana-656	issn