9. The method according to claim 7 , wherein the set of attribute-based selectable search extensions comprises at least one selectable link associated with the at least one result in the set of initial search results.
9. The method according to claim 7 , wherein the set of attribute-based selectable search extensions comprises at least one selectable link associated with the at least one result in the set of initial search results. 19. The method according to claim 9 , wherein the set of attribute-based selectable search extensions are presented to a user as the at least one selectable link labeled with a message of the identified format characteristic.