04ac3695_se_Notes___Amazon_Web_Services__Issue
[Description] Relevancy rank generally corresponds with sales rank. Currently, the relevancy rank using ItemSearch blended searches yields inaccurate results. [Impact] Do not use ItemSearch requests where the SearchIndex is "Blended" and the sort parameter is relevancy. [Issue] 
Relevancy rank does not work with blended searches.
Release: Amazon E-Commerce Service on 2007-07-23 : Release Notes : Amazon Web Services