Dimitris Kotzinos is a Professor at the Department of Computer Science of the University of Cergy – Pontoise, member of the ETIS Lab and head of the MIDI team of the lab. He holds a Ph.D. on the topic of ”Application of digital map technologies on developing internet based Advanced Traveler Information Systems (ATIS)” and a M.Sc. in Transportation, where he studied networks and their applications in transportation systems. His main research interests include data management algorithms, techniques and tools; development of methodologies, algorithms and tools for web-based information systems, portals and web services; and the understanding of the meaning (semantics) of interoperable data and services on the web. Recently he has started working on studying the formation and evolution of discussions in online social networks. Dimitris has published in various journals, books, conferences and workshops and serves as a program committee member and reviewer for various conferences and journals. He is also participating in nationally and internationally funded research programs around data analytics, data models and networks and their integration in the everyday life.