Implicit Feedback Recommendation Method Based on User-Generated Content

Table 7

RMSE values of proposed and benchmark methods using the sparse datasets.

The proportion of rating data (%)	PM	NGCF	DeepFM	ConvMF	PMF	CF
100	0.7667	0.7719	0.8197	0.8311	0.8316	0.8526
80	0.7690	0.7910	0.8400	0.84094	0.8442	0.8709
60	0.7719	0.8072	0.8787	0.8687	0.8690	0.8896
40	0.7778	0.8683	0.9072	0.9604	0.9269	0.9134
0	0.9944	--	--	--	--	--