ResearchBenchmarksRecommendation on MovieLens 100K (Recall@20, NDCG@20)Recommendation on MovieLens 100K (Recall@20, NDCG@20)Follow16.22Recall@20DG-SA-GNN13.3614.102514.84515.5875May 2, 2026Evaluation resultsMethodMethodLinksRecall@20NDCG@20DG-SA-GNNSimilarity Function=Di...Similarity Function=Discount PCC, K=202026.0516.226.54LightGCNRole=Baseline, K=20Role=Baseline, K=202026.0515.86.63DG-SA-GNNSimilarity Function=IP...Similarity Function=IP·IJ, K=202026.0515.86.18DG-SA-GNNSimilarity Function=Ja...Similarity Function=Jaccard, K=202026.0515.165.97DG-SA-GNNSimilarity Function=Co...Similarity Function=Cosine, K=202026.0513.475.53