17. The method of claim 1 , further comprising: rendering a search snapshot history comprising a plurality of search snapshots using the search result snapshot history data structure including displaying a history of relationships between the search result snapshot objects.
17. The method of claim 1 , further comprising: rendering a search snapshot history comprising a plurality of search snapshots using the search result snapshot history data structure including displaying a history of relationships between the search result snapshot objects. 18. The method of claim 17 , further comprising: filtering the rendered search snapshot history to render search snapshots according to rating criteria.