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