id	keyword
assc-55502	user
assc-55502	design
assc-55502	ich
assc-55502	app
assc-55502	analysis
assc-55502	content
assc-55502	needs
assc-55502	apps
assc-55502	triz
assc-55502	dimension
assc-55502	culture
assc-55502	experience
assc-55502	product
assc-55502	qfd
assc-55502	science
assc-55502	feedback