Haissam completed his Ph.D. and M.Sc. degrees at the State University "Lviv Polytechnic" in Ukraine. His research interests lie in the area of Artificial Intelligence, theory of complexity, microprocessors evaluation, CISC- and RISC-architectures, robotics control, mobility control and wireless communication. Hussein Bakri is an instructor in the department of Computer Science and Information Technology at Lebanese International University. He has completed his M.Sc. degree at the University of St Andrews in United Kingdom and he is now continuing his Ph.D. His research interests lie in the area of Artificial Intelligence, software engineering, virtual worlds and virtual reality and cloud computing.