id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
dss-148	Becic, Amel	Industry 4.0 and Smart cities: State-of-the-art	2021-04-10	10	.pdf	application/pdf	6532	469	59	One of the reasons why smart city industry is booming is because there is a big rise of people living in urban areas and they all present the possible residents (As shown in figure 1) [ 64]. [9] N. Komninos, C. Bratsas, C. Kakderi, and P. Tsarchopoulos, “Smart City Ontologies: Improving the effectiveness of smart city applications,” J. Smart Cities, vol. 1, no. 1, pp. 31–46, 2016.	cache/dss-148.pdf	txt/dss-148.txt
