Tag-Aware Recommender System Based on Deep Reinforcement Learning

Table 3

Minimum errors of various algorithms.

Algorithms	MAE	RSME
Normal predictor	1.0422	1.3296
Coclustering	0.6142	0.8221
KNN basic	0.4210	0.6593
KNN with means	0.4564	0.6578
KNN with baseline	0.4141	0.6189
Slope one	0.4231	0.6288
NMF	0.4470	0.6478
SVD++	0.3816	0.5620
DQN	0.4218	0.6256
DDPG (tag-free)	0.3720	0.5432
DDPG (tag-aware)	0.3900	0.5577