professor Julita VassilevaSHAIKHAH NAYEF TAMI ALOTAIBI2022-05-192022-05-1932174https://drepo.sdl.edu.sa/handle/20.500.14154/12438IMPROVING COLLABORATIVE FILTERING RECOMMENDER BY USING MULTI-CRITERIA RATING AND IMPLICIT SOCIAL NETWORKS TO RECOMMEND RESEARCH PAPERSThesis