id	keyword
american_scientific_journal-3418	leach
american_scientific_journal-3418	protocol
american_scientific_journal-3418	nodes
american_scientific_journal-3418	data
american_scientific_journal-3418	energy
american_scientific_journal-3418	cluster
american_scientific_journal-3418	sensor
american_scientific_journal-3418	network
american_scientific_journal-3418	chs
american_scientific_journal-3418	number