7. The computer-implemented method of claim 1 wherein said applying including converting said target document to said set of target document feature vectors.
7. The computer-implemented method of claim 1 wherein said applying including converting said target document to said set of target document feature vectors. 8. The computer-implemented method of claim 7 wherein converting said target document to said set of target document feature vectors employs a TF-IDF (Term Frequency-Inverse Document Frequency) technique.