1. Department of Computer Science and Engineering, DSPM International Institute of Information Technology Naya Raipur, Atal Nagar, Raipur, India. E-mails: ashish@iiitnr.edu.in, muneendra@iiitnr.edu.in
2. Department of Engineering, University of Messina, Messina, Italy. E-mails: gmerlino@unime.it, dbruneo@unime.it, apuliafito@unime.it
3. Department of Information Technology, Indian Institute of Information Technology-Allahabad, Prayagraj, India. E-mail: dropvyas@gmail.com