Research Article
A Hierarchical Attention Recommender System Based on Cross-Domain Social Networks
Table 3
HR@10 and NDCG@10 comparisons for different dimension sizes D.
| Models | Yelp | HR | NDCG | D = 16 | D = 32 | D = 64 | D = 16 | D = 32 | D = 64 |
| BPR | 0.2443 | 0.2632 | 0.2617 | 0.1471 | 0.1575 | 0.1550 | FM | 0.2768 | 0.2835 | 0.2825 | 0.1698 | 0.1720 | 0.1717 | TrustSVD | 0.2853 | 0.2880 | 0.2915 | 0.1704 | 0.1723 | 0.1738 | GC-MC | 0.2875 | 0.2902 | 0.2937 | 0.1657 | 0.1686 | 0.1740 | PinSage | 0.2952 | 0.2958 | 0.3065 | 0.1758 | 0.1779 | 0.1868 | DiffNet | 0.3366 | 0.3437 | 0.3477 | 0.2052 | 0.2095 | 0.2121 | HA-RS | 0.3487 | 0.3542 | 0.3596 | 0.2122 | 0.2179 | 0.2235 |
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