id	keyword
american_scientific_journal-4766	elm
american_scientific_journal-4766	algorithm
american_scientific_journal-4766	reference
american_scientific_journal-4766	tags
american_scientific_journal-4766	system
american_scientific_journal-4766	location
american_scientific_journal-4766	accuracy
american_scientific_journal-4766	landmarc
american_scientific_journal-4766	knn