id	keyword
ajst-31999	elderly
ajst-31999	emotion
ajst-31999	recognition
ajst-31999	technology
ajst-31999	robot
ajst-31999	interaction
ajst-31999	model
ajst-31999	gait
ajst-31999	time
ajst-31999	data
ajst-31999	feedback
ajst-31999	companionship