4Manan J, Shagufta R, Aditi N. User Profiling based Adaptive Test Generation and Assessment in E- Learning System[C]//Proc. of the 3rd IEEE International Advance Computing Conference. Washington, DC: IEEE, 2013: 1425-1530.
6She J, Zhang X, Chen S. Construction of a Personally Adapted e-learning System Using Collective Intelligence [C]//Proc. of the 15th International Conference on Interactive Collaborative Learning. Washington, DC: IEEE, 2012: 1-5.