融合图增强和采样策略的图卷积协同过滤模型

张京京,张兆功,许鑫

Graph convolution collaborative filtering model combining graph enhancement and sampling strategies

Jing-jing ZHANG,Zhao-gong ZHANG,Xin XU

表 4 EL-GCCF及其变体模型在2个数据集上的性能

Tab.4 Performance of EL-GCCF and its variant models on two datasets

模型 Amazon-Books MovieLens-1M Recall@20 NDCG@20 Recall@20 NDCG@20 EL-GCCF(null) 0.1135 0.0558 0.2231 0.2124 EL-GCCF( $\alpha $) 0.1162 0.0583 0.2390 0.2325 EL-GCCF(β) 0.0942 0.0373 0.2187 0.2037 EL-GCCF(n_s) 0.1278 0.0688 0.2633 0.2742 EL-GCCF 0.1363 0.0768 0.2657 0.2882