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