The present invention is directed towards systems and methods for generating and displaying the difference between a primary result set and a secondary result set. According to the present invention, a method for displaying the difference between a primary result set and a secondary result set for a query comprises generating a primary result set and a secondary result set, the primary result set and secondary result set generated according to one or more respective disparate search algorithms. A difference result set is determined according to a difference between items in the primary result set and second result set, which is displayed to a user.

 
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< Display method for multiple layered screens

< Cluster-based management of collections of items

> Presentation of differences between multiple searches

> Difference control for generating and displaying a difference result set from the result sets of a plurality of search engines
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