Name

Baseline

Variant 1

Variant 2

Parameters

P

p (Z)

p (T)

P

p (Z)

MAP

P@3

P@R

MAP

Elmar

50 / 60 / 70 %

1.5 / 4.6 / 5.7 %

1.5 / 4.6 / 5.7 %

50 / 60 / 70

1.5 / 4.6 / 5.7 %

1.5 / 4.6 / 5.7 %

50 / 60 / 70

1.5 / 4.6 / 5.7 %

1.5 / 4.6 / 5.7 %

V1: log. regression, V2: log. regression + ngrams(n=2)

Elias

46.67

27.7

23.1

10

1.7

1.6

46.6

27.7

24.3

bm25k=1.3, bm25b=0.1, lambda=0.67, k=50, m=20000