16. The computer-readable storage medium of claim 12 wherein the scoring techniques identify different keywords of a document and calculate significance of sentences based on the identified keywords.
16. The computer-readable storage medium of claim 12 wherein the scoring techniques identify different keywords of a document and calculate significance of sentences based on the identified keywords. 17. The computer-readable storage medium of claim 16 wherein a scoring technique identifies a word of a document as a keyword based on frequency of occurrences of the word within the document.