8. The method of claim 7 , where selecting the sets of search results associated with the at least two of the plurality of repositories based on the rankings includes: arranging the sets of search results within the search result document based on the rankings associated with the at least two of the plurality of repositories, and presenting the search result document to the user.
8. The method of claim 7 , where selecting the sets of search results associated with the at least two of the plurality of repositories based on the rankings includes: arranging the sets of search results within the search result document based on the rankings associated with the at least two of the plurality of repositories, and presenting the search result document to the user. 10. The method of claim 8 , where arranging the sets of search results within the search result document based on the rankings associated with the at least two of the plurality of repositories includes: providing, within the search result document, a link to the set of search results associated with the at least one of the plurality of repositories.