18. The computer program product according to claim 17 , wherein said filtering and re-ordering comprises setting a boolean literal of a search term to true if the search term is present in at least one document of the initial search results, else setting the boolean literal to false.
18. The computer program product according to claim 17 , wherein said filtering and re-ordering comprises setting a boolean literal of a search term to true if the search term is present in at least one document of the initial search results, else setting the boolean literal to false. 19. The computer program product according to claim 18 , wherein said filtering and re-ordering comprises setting a boolean literal of a search term from the search query to false if the search term is redacted from the initial search results.