2. The computer-implemented method of claim 1 , further comprising: 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 varying intensity.
2. The computer-implemented method of claim 1 , further comprising: 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 varying intensity. 4. The computer-implemented method of claim 2 , further comprising: calculating a distance between the signature of each of the collection of text files and the signature of the desired text file.