id	keyword
fbem-24659	emergency
fbem-24659	distribution
fbem-24659	logistics
fbem-24659	emergency logistics
fbem-24659	cost
fbem-24659	model
fbem-24659	time
fbem-24659	transportation
fbem-24659	optimization
fbem-24659	location
fbem-24659	demand
fbem-24659	problem