A Service Recommendation Method Based on Requirements for the Cloud Environment

Figure 3

MAEs and RMSEs for different matrix densities (2%–10%). (a) MAE (number of neighbors: 15), (b) MAE (number of neighbors: 20), (c) RMSE (number of neighbors: 15), and (d) RMSE (number of neighbors: 20).

(a)

(b)

(c)

(d)