Research Article

Neural Personalized Ranking via Poisson Factor Model for Item Recommendation

Table 1

Statistics of Foursquare and Gowalla.

StatisticsFoursquareGowalla

Num. of Check-ins 194,108 242,172
Num. of Users, 2,321 5,000
Num. of Locations, 5,596 23,997
Sparsity 99.18% 99.86%
Avg. Locations per User 45.57 32.13