Virtual interactive experiments (vexp) is a framework to promote the developmentand use of cooperative e-learning experiments over the internet. Interactive scientific experiments which can be controlled by various users synchronously.
The Location Trader Project wants to provide free and reliable positioning information for mobile clients to enable location based services independently from certain network operators and in heterogeneous network environments.
Wireless and Small Devices implementations normally support the Http Connection interface, which allows application to be portable across different mobile information devices by using HTTP as the underlying protocol. HTTP in spite of obvious advantages i