12. The computer-implemented system of claim 11 , wherein the search engine component further determines whether the original search results vary sufficiently to satisfy a variance threshold with respect to a particular overlapping schema attribute from a plurality of overlapping schema attributes.
13. The computer-implemented system of claim 12 , wherein the plurality of overlapping schema attributes are common to a shared formal schema, and further wherein the communicated generated search filter comprises filter and sort options specified by the shared formal schema.