id	keyword
ajis02-446	world
ajis02-446	information
ajis02-446	domain
ajis02-446	knowledge
ajis02-446	systems
ajis02-446	popper
ajis02-446	professions
ajis02-446	statements
ajis02-446	data
ajis02-446	concepts
ajis02-446	theory
ajis02-446	example