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Rank aggregation methods.
| Aggregators | Formula | Description |
|---|---|---|
| Min () | min{R1(a1…n), R2(a1…n), … Rm(a1…n)} | Selects the minimum of the relevance scores produced by the aggregated rank list |
| Max () | max{R1(a1…n), R2(a1…n), … Rm(a1…n)} | Selects the maximum of the relevance scores produced by the aggregated rank list |
| Mean () | mean{(∑i=1mRi(a1…n)) × (1/m) | Selects the mean of the relevance scores produced by the aggregated rank list |
