id	keyword
american_scientific_journal-10288	solar
american_scientific_journal-10288	land
american_scientific_journal-10288	electricity
american_scientific_journal-10288	crete
american_scientific_journal-10288	use
american_scientific_journal-10288	energy
american_scientific_journal-10288	systems
american_scientific_journal-10288	photovoltaic
american_scientific_journal-10288	power
american_scientific_journal-10288	generation
american_scientific_journal-10288	demand
american_scientific_journal-10288	buildings