21. The system of claim 18 wherein the returned documents of the search results are ordered in a list and wherein the at least one returned document is displayed in a first portion of the list of returned documents and simultaneously displayed in a second portion of the list of returned documents on a display screen, and wherein the member of returned documents displayed in the second portion is greater than the number of returned documents displayed in the first portion.
21. The system of claim 18 wherein the returned documents of the search results are ordered in a list and wherein the at least one returned document is displayed in a first portion of the list of returned documents and simultaneously displayed in a second portion of the list of returned documents on a display screen, and wherein the member of returned documents displayed in the second portion is greater than the number of returned documents displayed in the first portion. 22. The system of claim 21 wherein the returned documents are ordered in the list based on the similarity between the at least one returned document and the at least one concept.