4. The method of claim 1 wherein: said metadata indicates a plurality of candidate non-traditional abstract links to include in an abstract for said particular resource; the step of selecting a subset of candidate items from said plurality of candidate items includes selecting a subset of the candidate non-traditional abstract links from the plurality of candidate non-traditional abstract links; and the step of generating abstracts of each of said plurality of matching resources includes generating an abstract, for said particular resource, that includes the subset of candidate non-traditional abstract links that were selected based on the search query.
4. The method of claim 1 wherein: said metadata indicates a plurality of candidate non-traditional abstract links to include in an abstract for said particular resource; the step of selecting a subset of candidate items from said plurality of candidate items includes selecting a subset of the candidate non-traditional abstract links from the plurality of candidate non-traditional abstract links; and the step of generating abstracts of each of said plurality of matching resources includes generating an abstract, for said particular resource, that includes the subset of candidate non-traditional abstract links that were selected based on the search query. 13. The method of claim 4 wherein the plurality of candidate non-traditional abstract links includes a related search link which, when activated, initiates a search with terms that are not identical to the terms of said search query.