8. The method of claim 1 , further comprising: fetching the target document using the extracted link; associating the data extracted from the content preview source and the fetched target document; and adding the target document to the index that is searchable by the search engine.
8. The method of claim 1 , further comprising: fetching the target document using the extracted link; associating the data extracted from the content preview source and the fetched target document; and adding the target document to the index that is searchable by the search engine. 10. The method of claim 8 , said adding the target document to the index further comprising: generating the index using a database of documents that includes the target document.