| Interface | Description |
|---|---|
| RankingDiscountModel |
Ranking discount model.
|
| Class | Description |
|---|---|
| ExponentialDiscountModel |
Exponential ranking discount: disc(k) = base^k.
|
| LogarithmicDiscountModel |
Logarithmic discount: disc(k) = 1 / log_2(k + 2).
|
| NoDiscountModel |
No discount: disc(k) = 1.
|
| ReciprocalDiscountModel |
Reciprocal discount: disc(k) = 1 / (k + 1).
|
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