Table VI.

Results when artificial scores are assigned to documents

MAP@100PRES@100RECALL@100
  Realistic scenarioOptimal scenarioOriginal scenarioOptimal scenarioOriginal scenarioOptimal scenario
MMsRandom forest0.08120.10420.25410.43680.26060.4515
SVR0.06860.07790.22070.34230.22700.3559
Decision tree0.07510.09130.25190.43890.25860.4541
Polynomial x20.04140.02870.10410.17790.10570.1864
Polynomial x30.04170.03250.11110.22400.11320.2345
GMSRandom forest0.02840.02970.20140.21330.21060.2235
SVR0.02150.02850.08110.20370.08450.2136
Decision tree0.02720.02910.18850.22040.19760.2311
Linear regression0.03080.03840.22690.25750.23670.2672
DNN0.03010.04080.22970.25710.24010.2668
 CORI0.06810.07770.16990.28270.17260.2905
 SSL0.06010.11770.20260.32870.20760.4901
 SAFE0.06060.08730.22000.28290.22620.2903
 Centralized0.07930.25920.2660
 Random merging0.01410.09790.1833

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