id	keyword
app01-8314	energy
app01-8314	business
app01-8314	models
app01-8314	supply
app01-8314	electricity
app01-8314	buildings
app01-8314	value
app01-8314	business models
app01-8314	service
app01-8314	innovation
app01-8314	production
app01-8314	system