CGPP-POI: A Recommendation Model Based on Privacy Protection

Table 1

General statistics about the two datasets.

Network property	Gowalla	Brightkite
Number of nodes	196,591	58,228
Number of edges	950,327	214,078
Number of check-ins	6,442,890	4,491,143
Average number of check-ins per user	254	92
Maximum check-in number of user	2175	2100
Minimum check-in number of user	1	1