[IEEE International Conference on Networking, International Conference on Systems and International Conference on Mobile Communications and Learning Technologies (ICNICONSMCL'06) - Morne, Mauritius (23-29 April 2006)] International Conference on Networking, International Conference on Systems and International Conference on Mobile Communications and Learning Technologies (ICNICONSMCL'06) - The Across Mobile Platform Learning system (AMPLe) Supporting Learner - Centered Knowledge Construction