Location-Aware POI Recommendation for Indoor Space by Exploiting WiFi Logs

Table 2

Notations used in indoor POI recommendation.

Symbol	Description
	The set of POIs, users, and timestamps
	The number of POIs and WiFi APs
	The visiting interaction between user and POI
	A trajectory of user
	The interest of user to POIs
	The relation strength of user to POI
	The similarity of two user’s interest