9. The at least one processing device of claim 7 , wherein the method further comprises: computing a signature for each of one or more other collections of text files, each of the collections of text files being authored by a respective author and includes a respective varying intensity.
9. The at least one processing device of claim 7 , wherein the method further comprises: computing a signature for each of one or more other collections of text files, each of the collections of text files being authored by a respective author and includes a respective varying intensity. 11. The at least one processing device of claim 9 , further comprising: calculating a distance between the signature of each of the collection of text files and the signature of the desired text file.