Table 8 MAE@K comparison on MARS dataset.

From: Adaptive course recommendation using federated learning and graph convolutional networks in IoT-enhanced e-learning

Metrics

Top @K

Proposed

LightGCN–PKA

FGC

Transformer-based FL

PerSVD-Edu

MAE@K (↓)

@5

0.2252

0.2352

0.3010

0.2953

0.3031

@10

0.2152

0.2754

0.2492

0.2553

0.3130

@15

0.2353

0.2553

0.2790

0.2754

0.3230

@20

0.1652

0.1852

0.1974

0.2053

0.3130

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