In the current complex teaching interactive environment of AI,aiming at the dimension disaster and high data updating cost faced by the learner portrait model,this paper proposes a new model—low-cost self evolutionary learner portrait under large-scale data(LSLP).This m...MORE In the current complex teaching interactive environment of AI,aiming at the dimension disaster and high data updating cost faced by the learner portrait model,this paper proposes a new model—low-cost self evolutionary learner portrait under large-scale data(LSLP).This m...