0	0.1614	learning model design case system agents process based 
1	0.30535	smart data iot system network blockchain based security 
2	0.15975	energy air data noise power model time temperature 
3	0.18499	data traffic road analysis sound system transport sensing 
4	0.22314	data map traffic results using user based time 
5	0.21835	health social people pandemic covid healthcare data contact 
6	0.23709	data service cloud smart computing network edge simulation 
7	0.46905	smart cities city management data systems urban development