id	keyword
american_scientific_journal-1577	system
american_scientific_journal-1577	information
american_scientific_journal-1577	tourism
american_scientific_journal-1577	table
american_scientific_journal-1577	user
american_scientific_journal-1577	research
american_scientific_journal-1577	journal
american_scientific_journal-1577	nigeria
american_scientific_journal-1577	management