Nik BessisNik Bessis is currently a principal lecturer (associate professor) in the Department of Computer Science and Technology at University of Bedfordshire (UK). He obtained a BA from the TEI of Athens and completed his MA and PhD at De Montfort University(Leicester, UK). His research interest is the analysis, research, and delivery of user-led developments with regard to data integration, annotation, and data push methods and services in distributed environments with a particular focus on next generation and grid technologies for the benefit of various virtual organizational settings, including disaster management. He is involved in and leading a number of funded research and commercial projects in these areas. Dr. Bessis has published numerous papers and articles in international conferences and journals, he serves as a conference organizer and he is the editor of two books and, the Editor-in-Chief of the International Journal of Distributed Systems and Technologies (IJDST). Read More Read Less