Table 5 Comparison with baseline PRF retrieval models in certain metrics

MAP

0.0490

0.0540

0.0651 ^∗+ (32.8%,20.5%)

0.0647 ^∗+ (32.0%,19.8%)

0.0642 ^∗+ (31.0%,18.9%)

P@5

0.2733

0.2600

0.2933 ^∗+ (7.32%,12.8%)

0.2733 ⁺ (0.00%,5.11%)

0.2733 ⁺ (0.00%,5.11%)

P@10

0.2533

0.2467

0.2733 ^∗+ (7.89%,10.8%)

0.2667 ^∗+ (5.29%,8.11%)

0.2567 ^∗+ (1.34%,4.25%)

P@20

0.2167

0.2233

0.2350 ^∗+ (8.44%,5.24%)

0.2317 ^∗+ (6.92%, 3.76%)

0.2317 ^∗+ (6.92%, 3.76%)

F1

0.0853

0.0932

0.1112 ^∗+ (30.3%,19.3%)

0.1108 ^∗+ (29.9%,18.9%)

0.1096 ^∗+ (28.5%, 17.6%)