Other Existing Approaches Collaborative Filtering: Recommend items based only on the users past behavior User based: find similar users for what they liked Item based: find similar items which i have liked Content based extract features for items Personalized learning to rank Demographic: user profiling Social recommendation trust based HybridOther Existing Approaches • Collaborative Filtering: Recommend items based only on the users past behavior – User based: find similar users for what they liked – Item based: find similar items which I have liked • Content based: extract features for items • Personalized learning to rank • Demographic: user profiling • Social recommendation: trust based • Hybrid 34