The Application of Personalized Recommendation System in the Cross-Regional Promotion of Provincial Intangible Cultural Heritage

Table 3

RMSE values of each algorithm.

Number of nearest neighbors	Literature [19]	Literature [20]	Literature [21]	Literature [22]	Proposed
0	0.95064	0.93401	0.91792	0.91792	0.9088
10	0.91577	0.90504	0.89431	0.88948	0.88734
20	0.87661	0.85944	0.85354	0.85676	0.84442
30	0.85247	0.84818	0.84281	0.84442	0.82189
40	0.83745	0.84067	0.82564	0.82725	0.81867
50	0.83476	0.82296	0.82457	0.81974	0.81009