In our age cities are complex systems and we can say systems of systems. Today locality is the result of using information and communication technologies in all departments of our life, but in future all cities must to use smart systems for improve quality of life and on the other hand for...

The Lisbon European Council conclusion was that in 2010 Europe will become 'the most competitive and dynamic knowledge-based economy in the world, capable of sustained economic growth with more and better jobs and greater social cohesion'. The knowledge economy concept is a part of modern...

The paper describes a secure architecture for an M-Learning system that uses Bluetooth wireless networks to offer services for mobile devices. The solution is implemented on the Java ME platform using SATSA-CRYPTO. The access to these services is made possible by using Bluetooth capabilities of...

The success of national economies is more dependent on the capacity to produce and use knowledge. This paper represents a study on the innovation and knowledge, which become more central to economic performance.