id	keyword
ajis02-292	impact
ajis02-292	analysis
ajis02-292	propagation
ajis02-292	probability
ajis02-292	change
ajis02-292	impact propagation
ajis02-292	impact analysis
ajis02-292	system
ajis02-292	structure
ajis02-292	path
ajis02-292	traceability
ajis02-292	requirements
ajis02-292	propagation structure
ajis02-292	figure