Patent ID: 9535995
Date: 2017-01-03
CPC Classifications: G06F

Claim:
1. A method, comprising: at a ranker component, outputting search results for queries in training data, the ranker component outputs the search results based upon a value of a parameter of the ranker component; determining performance scores for the ranker component with respect to the queries and the search results output based upon the queries, the performance scores are indicative of performance of the ranker component when outputting the search results based upon the queries, the performance scores include a performance score for each query in the queries; and optimizing the ranker component with respect to a risk-oriented objective, the risk-oriented objective being a function of consistency in performance of the ranker component with respect to the queries, wherein optimizing the ranker component with respect to the risk-oriented objective causes the ranker component to perform consistently across queries provided to the ranker component, and further wherein optimizing the ranker component comprises: