Users’ Rating Predictions Using Collaborating Filtering Based on Users and Items Similarity Measures

Table 4

List of symbols and notations used in the document.

Symbols	Description
	Users
i, j	Items
	Weight of similarity between two users
	Summations of items rated by both the users and u
R	Rating
,	Rating of the user to the item
	Average rating of user
A	Active user
	Prediction of the active user to the item
	Active user average rating
	Summations of user rated both the users and u
	Similarity between the weight of active user and user
,	Rating value of user and