[1]Computer and Information Science College, Chongqing Normal University,Chongqing 401331, China;
[1]Computer and Information Science College, Chongqing Normal University,Chongqing 401331, China;
[1]Computer and Information Science College, Chongqing Normal University,Chongqing 401331, China;
Adaptive learning system; Mobile learning; Collaborative learning system;