Proceedings of the Second International Conference on Science, Engineering and Technology Event: ICoSET Event held on: September 5-7, 2019, in Riau, Indonesia Editors: Arbi Haza Nasution , Evizal Abdul Kadir and Luiz Moutinho Affiliation: Department of Informatics Engineering, Faculty of Engineering, Universitas Islam Riau, Pekanbaru, Indonesia ISBN: 978-989-758-463-3