id	keyword
american_scientific_journal-7521	essay
american_scientific_journal-7521	colleagues
american_scientific_journal-7521	semantic
american_scientific_journal-7521	lsa
american_scientific_journal-7521	techniques
american_scientific_journal-7521	learning
american_scientific_journal-7521	journal
american_scientific_journal-7521	performance
american_scientific_journal-7521	text