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Table 1 Impact of data sparsity on prediction accuracy

From: Mobility-aware personalized service recommendation in mobile edge computing

Methods 10% 30% 50% 70% 90%
RMSE MAE RMSE MAE RMSE MAE RMSE MAE RMSE MAE
Response time
 UCF 3.9938 1.8100 4.0156 1.8179 4.0232 1.8260 4.0387 1.8337 4.0610 1.8665
 SCF 3.4903 1.7540 3.5075 1.6987 3.5328 1.6317 3.5789 1.5558 3.6934 1.5177
 TCF 3.6131 1.4923 3.6648 1.4838 3.7054 1.4795 3.7644 1.4994 3.8547 1.5740
 LCF 2.5627 1.2895 3.0548 1.4132 3.2744 1.4561 3.2966 1.4820 3.4647 1.7172
  1. The significance of “bold and italic values" is used to highlight the data in LCF is better than other methods