7. The computer system of claim 1 , the one or more computer-readable storage media having stored thereon computer-executable instructions that, when executed by the one or more processors, cause the computing system to perform the following: determining that a search attribute has been received for which the tuning profile has been stored; and accessing the stored tuning profile to apply the stored search result ranking model settings to the received search attribute.
7. The computer system of claim 1 , the one or more computer-readable storage media having stored thereon computer-executable instructions that, when executed by the one or more processors, cause the computing system to perform the following: determining that a search attribute has been received for which the tuning profile has been stored; and accessing the stored tuning profile to apply the stored search result ranking model settings to the received search attribute. 9. The computer system of claim 7 , wherein the tuning profile applies to a plurality of different search attributes.