12. The method of claim 2 , further comprising: for at least one of the resource identifiers, retrieving the corresponding document from the respective document source; identifying within the retrieved document no chunk that satisfies each of the search keywords; and displaying a link to search for chunks that satisfy any of the search keywords within the document.
12. The method of claim 2 , further comprising: for at least one of the resource identifiers, retrieving the corresponding document from the respective document source; identifying within the retrieved document no chunk that satisfies each of the search keywords; and displaying a link to search for chunks that satisfy any of the search keywords within the document. 13. The method of claim 12 , further comprising: in response to a user selection of the link to search for chunks that satisfy any of the search keywords within the document, re-processing the document retrieved from the respective document source; identifying within the retrieved document one or more chunks that satisfy at least one of the search keywords; and displaying the identified chunks and a link to each of the identified chunks within the document.