id	keyword
dss-148	smart
dss-148	city
dss-148	industry
dss-148	vol
dss-148	urban
dss-148	cities
dss-148	future
dss-148	information
dss-148	development
dss-148	research
dss-148	applications
dss-148	int
dss-148	things
dss-148	areas