id	keyword
ap-4742	system
ap-4742	set
ap-4742	time
ap-4742	causal
ap-4742	sub
ap-4742	žampa
ap-4742	theory
ap-4742	trajectory
ap-4742	variables
ap-4742	state
ap-4742	definition
ap-4742	information
ap-4742	image
ap-4742	attributes
ap-4742	abstract
ap-4742	figure
ap-4742	cause
ap-4742	model