Research Article

Research on Multifeature-Based Superposter Identification in Online Learning Forums

Algorithm 1

ALG_Super_1: framework of computing superposter index.
Input: the post dataset of online learners, D; training parameter set, P.
Output: Superposter index, Super_I.
(1)A ⟵ Counting online learners.
(2)For each online learner ai
(1) Computes by using formula (4);
(2) Computes by using formula (7);
(3) Computes by formula (11);
(4) With the MIN-MAX method, normalizes the results of
  :
   ⟵ ;
   ⟵ ;
   ⟵ ;
(5) Computes superposter index Super_I by using formula (13).
(3)Rank Super_I;
(4)Return Super_I.