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A pairwise comparison between baseline and models built based on graph methods, b: baseline, nn: common neighbour, ib: local path index, ent: entropy-based method , ll: locally linear embedding, le: Laplacian eigenmaps, n2v: Nod2vec, dw: Deepwalk , st: stacking model. The y axis shows the number of times a model outperformed the other. When compared to the base model, all graph-based models recorded higher scores
