[fre] Sur Internet, les interactions entre utilisateurs ou nœuds de réseau prennent le plus souvent la forme de requêtes. Ainsi, les forums et les communautés virtuelles, mais aussi les réseaux physiques, qui supportent Internet, fonctionnent sur la base de requêtes. À partir de cette...

Interactions between Internet users or network nodes mostly consist of requests. Thus, virtual communities and newsgroup, but also data transmission through Internet networks, rest on systems of bilateral or multilateral requests. This representation of Internet allows us to study the best...

In this paper we try to present the main trends of evolution of the ICT sector. Its dynamics, supported by a constant technical progress in ICs, compounded with “non convexities” such as network effects and high sunk costs, may either lead to a Schumpeter Mark I or Schumpeter Mark II...

In order to increase the use of information and communication technologies (ICT) in the European Union Member States, the European Commission, on the initiative of Commissioner E. Liikannen, launched in December 1999 a bold programme called “eEurope”. Soon after its creation, the eEurope...