7. The method of claim 6, further comprising the steps of: determining, on the basis of said absolute relevance score of said newly-received document and said absolute relevance scores of each of said plurality of training documents, a rank of said newly-received document relative to each of said plurality of training documents; and inserting said newly-received document into said sorted list according to said rank.
8. The method of claim 7, further comprising the step of presenting said sorted list of relevant documents, including said newly-received document, to a user.