Households rather than isolated individuals generally take decisions regarding the number of children in a family and the major purchases that are made only occasionally. These and more routine household decisions and the resulting behaviors are among the key determinants of the impact a society has on the physical environment. One objective for a science of sustainable societies (SSS) is to re...

The development and deployment of the Next Generation Network (NGN) is important for public network carriers as for them it could be an innovative and effective way to differentiate by offering a number of various value-added services at a lower cost, and consequently survive and even prosper in a highly competitive market. It is predicted that the convergence of services, applications and netw...