Rank aggregation is a fundamental task in social choice theory. Given a collection of different rankings (total orders) over the same set of objects, the goal is to produce a single ranking of those objects that, in some way, aggregates the different opinions expressed by the input rankings.
Rank aggregation is a fundamental task in social choice theory. Given a collection of different rankings (total orders) over the same set of objects, the goal is to produce a single ranking of those objects that, in some way, aggregates the different opinions expressed by the input rankings.
Source: Wikipedia "Rank aggregation" · CC BY-SA 4.0
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