A Hybrid Recommender System Based on User-Recommender Interaction

Algorithm 2

The interactive recommender.

Input: , ,

Output: Recall and diversity

Method:

(1)  =   is  the  flag  of  successfully  recommender;

(2)  = ;

(3)  = an  randomized  array  of   ;

(4)  = ;

(5)  while    do

(6)  ;

(7)  for  each   do

(8)    = hybridAlgorithm();

(9)    = the  interestarray  of   ;

(10)   if    then

(11)    the  user  quits  to  the  RS;

(12)   else

(13)    the  browsed  item  is  recorded  into  bm();

(14)    ;

(15)   end if

(16)  end for

(17) end while

(18) ;

(19) ;

(20) ;

(21) return  recall  and  diversity;