11. The system of claim 10 , wherein the ranker selector is configured to select the first ranker to generate the ordered search results based at least in part on an amount of training data that was used to train the first ranker.
10. The system of claim 3 , further comprising a ranker selector maintained in the memory and executable by the one or more processors to select at least one of the first ranker or the second ranker based at least in part on a language of the query.