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In modeling phase, its focus on preparing the data will be used in next two phase. As we can see in the diagram, it is also divided in three cases. First step is to build a ratio matrix. The rows of the matrix contain the name of the users, and columns contain the items and each cell contains rating, which by the user for a particular item. Now, it generates a user profile. This profile explains the preference of a user. It is mostly a vector and every user has their own private profile of preferences. In the third step, it generates a profile for the items which contains the features of the items.