Affiliation:
1. Department of Computer Science and Engineering, University of Ioannina, Greece
Funder
We acknowledge support of this work by the project ?Dioni: Computing Infrastructure for Big-Data Processing and Analysis.? (MIS No. 5047222) which is implemented under the Action ?Reinforcement of the Research and Innovation Infrastructure?, funded by the Operational Programme Competitiveness, Entrepreneurship and Innovation (NSRF 2014-2020) and co-financed by Greece and the European Union (European Regional Development Fund).