A browsing sequence for a plurality of items is provided. A tree which relates the plurality of items is also provided. The tree is non-unary and has a height of at least two. A user selection to prune the browsing sequence based on a selected one of the items is received. Based on the user selection, all items which are tree-descendants of the selected one of the items are removed from the browsing sequence.

 
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> System and method for visually representing a hierarchical database objects and their similarity relationships to other objects in the database

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