Title	A Survey on Role of Block Chain in Smart Cities
Author	Chokkanathan K, Shanmugaraja P, Siva Shankar Ramasamy, Rujira Ouncharoen, Nopasit Chakpitak5
Citation	Vol. 21  No. 7  pp. 1-7
Keywords	Block Chain, Smart City, IoT, Artificial Intelligence

Title	A Survey on Role of Block Chain in Smart Cities
Author	Chokkanathan K, Shanmugaraja P, Siva Shankar Ramasamy, Rujira Ouncharoen, Nopasit Chakpitak5
Citation	Vol. 21  No. 7  pp. 1-7
Keywords	Block Chain, Smart City, IoT, Artificial Intelligence

Title	A Survey on Role of Block Chain in Smart Cities
Author	Chokkanathan K, Shanmugaraja P, Siva Shankar Ramasamy, Rujira Ouncharoen, Nopasit Chakpitak5
Citation	Vol. 21  No. 7  pp. 1-7
Keywords	Block Chain, Smart City, IoT, Artificial Intelligence

Title	Formation of Scenarios for The Development of The Tourism Industry of Ukraine With The Help of Cognitive Modeling
Author	Tetiana Shelemetieva, Nataly Zatsepina, Marta Barna, Mariia Topornytska, Iryna Tuchkovska
Citation	Vol. 21  No. 7  pp. 8-16
Keywords	tourism, methodology, cognitive modeling, factors of influence, cognitive map, development scenarios