2. The method of claim 1 wherein each document comprises an index, and the evaluation step comprises producing a sorted list of document indices that include the at least one seed word based on relevance to the at least one seed word, and to identify at least one key topic document index that is highly relevant to at least one seed word.
2. The method of claim 1 wherein each document comprises an index, and the evaluation step comprises producing a sorted list of document indices that include the at least one seed word based on relevance to the at least one seed word, and to identify at least one key topic document index that is highly relevant to at least one seed word. 3. The method of claim 2 wherein the relevance of a document index is evaluated by comparison of the at least one seed word to the title of each document and keywords contained within each document index.