public static void main(String[] args) {
System.out.println("Starting");
Corpus corpus = new Corpus((new DataSource()).init());
System.out.println("Loading Corpus...");
corpus.load();
System.out.println("Calculating tf-idf...");
corpus.calcTfIdf();
corpus.printDocTermsOrderByTfIdfScore();
System.out.println("done.");
}