An End-to-End Review-Based Aspect-Level Neural Model for Sequential Recommendation

Table 1

Notations and their definitions.

Notation	Definition
	User set
	Item set
	User
	Item
	User ’s document
	Item ’s document
	Item ’s representation
	User ’s long-term preference representation
	User ’s union-level short-term preference representation
	User ’s individual-level short-term preference representation
	User ’s short-term preference representation
	User ’s j-th neighbor user representation
	User ’s overall preference representation
	Parameter set in CNN net
	Parameter set in self-attention net
	Parameter set in hierarchical attention net
	Parameter set in attention net
	Rating from user for item