In the formulation of the knowledge tracing task, the training data consisted of a student set ( U), question set ( I) and knowledge concept set ( KC). The student set can be denoted by U=u1,u2,…,um, where mrepresents the number of students in the e-learning system, and I is the question set, I=q1,q2,…,qs, where sdenotes the number of questions. The learning sequence and corresponding feedback on the questions from a specific student are in the form of time-series data. Sui=Sui1,Sui2,…,Suil
