Learning to Make Document Context-Aware Recommendation with Joint Convolutional Matrix Factorization

Table 1

Notations used in this work.

Notations	Explanation
		User set and item set
		Number of users and items
		Rating matrix
		Item relation matrix
		Social relation matrix
		User latent factor of the user
		Item latent factor of the item
		Weight factors of items and users
,		Review documents of items and users
,		Word vector of item j and user i
		Internal weights in item CNN model and user CNN model
		Hyperparameters of , , , and
		Hyperparameters of and