Long tail effect : Many popular products are found in both Retail / Online
less popular products are found only online
---------------------------------
Modelling Recommender Systems
Modelling Recommender Systems
U = {USERS}
I = {ITEMS}
F is a utility function, measures the usefulness of items I to user U.
F:UxI -> R where R is the rating
--------------------------------
Characteristics of recommendation system
Types of recommender system
All the messages below are just forwarded messages if some one feels hurt about it please add your comments we will remove the post. Host/author is not responsible for these posts.
