Table 4:

Results for NoisyAdam on the MovieLens 1M dataset, with δ = 10⁻⁶ used in the privacy analyses. CF stands for collaborative filtering.

Models	Epochs	RMSE	CLT μ	CLT ε	MA ε
private networks	20	0.915	1.94	10.61	15.39
non-private networks	20	0.893	—	—	—
SVD	—	0.873	—	—	—
NMF	—	0.916	—	—	—
user-based CF [52]	—	0.923	—	—	—
global average	—	1.117	—	—	—