Deep Collaborative Filtering: A Recommendation Method for Crowdfunding Project Based on the Integration of Deep Neural Network and Collaborative Filtering

Table 4

The maximum value of NDCG of recommendation on datasets of different sparsity.

Layer	Dataset
	Low-sparse	Moderately sparse	Extremely sparse
4	0.23946	0.27741	0.31798
5	0.26223	0.29240	0.33299
6	0.26287	0.29350	0.32186