id	keyword
american_scientific_journal-1681	traffic
american_scientific_journal-1681	system
american_scientific_journal-1681	vehicles
american_scientific_journal-1681	mobile
american_scientific_journal-1681	time
american_scientific_journal-1681	data
american_scientific_journal-1681	information
american_scientific_journal-1681	research
american_scientific_journal-1681	transportation
american_scientific_journal-1681	travel
american_scientific_journal-1681	light
american_scientific_journal-1681	drivers