id	keyword
alkej-116	lspb
alkej-116	velocity
alkej-116	trajectory
alkej-116	points
alkej-116	path
alkej-116	time
alkej-116	optimization
alkej-116	parabolic
alkej-116	acceleration
alkej-116	modified
alkej-116	journal
alkej-116	linear
alkej-116	particle
alkej-116	method
alkej-116	pso