30. A computer implemented method for preventing unauthorized disclosure of secure information as recited in claim 1 , wherein said first set of fingerprints are impervious to derivative works of said first text.
30. A computer implemented method for preventing unauthorized disclosure of secure information as recited in claim 1 , wherein said first set of fingerprints are impervious to derivative works of said first text. 31. A computer implemented method for preventing unauthorized disclosure of secure information as recited in claim 30 , wherein said derivative work includes at least one of: change in the position at which a specific word of said plurality of words appears in said first text; change in the order in which said plurality of words appear in said first text; addition of one or more stop words to said first text; deletion of one or more stop words from said first text; addition of one or more punctuation marks to said first text; deletion of one or more punctuation marks from said first text; substitution of a specific word in said first text with a synonym of said specific word; substitution of a specific word in said first text with a hypernym of said specific word; or substitution of a specific word in said first text with a different word, wherein said different word has the same stem as said specific word.