Achieving Privacy-Preserving Group Recommendation with Local Differential Privacy and Random Transmission

Table 3

Dataset statistics.

Dataset	MovieLens-100 k	FilmTrust
Total users	943	1508
Total items	1682	2071
Total ratings	100,000	35,497
Range	[3, 25]	[0.5, 4]
Density	6.3%	1.1%