融合用户感知和多因素的兴趣点推荐
卢巧杰,王楠,李金宝,李坤

Point-of-interest recommendation integrating user perception and multi-factor
Qiao-jie LU,Nan WANG,Jin-bao LI,Kun LI
图 2 不同的数据稀疏度在数据集Gowalla和Yelp上对Recall@20和NDCG@20的影响
Fig.2 Effect of data sparsity on Recall@20 and NDCG@20 on datasets Gowalla and Yelp