Unscramble Words What is recommender system? Test it out!Online version Try to put them into sentence by qiqing zhu 1 recommender artificial A algorithm an intelligence system is 2 past criteria recommendations and variety a purchases search history , factors of information , including demographic , other based be on can . , , , . 3 consumer degree ability providers due predict systems high Recommender and product to to content their and individuality interests needs by of a are favored with . .