Table 3 Comparison of the number of online CST calls \(|\text{CC}_{\text{GPR-H}}^{\text{online}}|\) and effective calls \(|\text{EC}_{\text{GPR-H}}^{\text{online}}|\) for the GPR-Hybrid approach with different updating strategies
No sorting | EGL criterion | Hybrid criterion | ||||
|---|---|---|---|---|---|---|
\(|\text{CC}_{\text{GPR-H}}^{\text{online}}|\) | \(|\text{EC}_{\text{GPR-H}}^{\text{online}}|\) | \(|\text{CC}_{\text{GPR-H}}^{\text{online}}|\) | \(|\text{EC}_{\text{GPR-H}}^{\text{online}}|\) | \(|\text{CC}_{\text{GPR-H}}^{\text{online}}|\) | \(|\text{EC}_{\text{GPR-H}}^{\text{online}}|\) | |
\(N_{\text{B}}=1\) | 320 | 320 | 269 | 269 | 254 | 254 |
\(N_{\text{B}}=20\) | 352 | 18 | 299 | 15 | 288 | 15 |
\(N_{\text{B}}=50\) | 378 | 8 | 339 | 7 | 326 | 7 |