US Patent 7647300 Methods and systems for output of search results

A search engine implements a method comprising receiving a search query, identifying a plurality of item identifiers responsive to the search query, identifying a first group of item identifiers from the plurality of item identifiers, wherein the first group of item identifiers was obtained by a first method, identifying a second group of items from the plurality of item identifiers, wherein the second group of item identifiers was obtained by a second method, and causing the output of all or a plurality of the item identifiers, comprising providing a cue to distinguish between the item identifiers from the first group and the item identifiers from the second group.