public void CreateVectorExtractor()
        {
            var index = new DocumentIndex();

            var docs = TestData.TestCorpus().Select(t => XDocument.Parse(t)).ToList().AsQueryable();

            int id = 0;

            var blocks = docs.SelectMany(d => new Corpus(index.Tokeniser.Tokenise(d.Root.Value)).Blocks.ToList()).ToList();

            var tdocs = blocks
                .Select(b => new TokenisedTextDocument((id++).ToString(), b))
                .ToList();

            index.IndexDocuments(tdocs);

            var ve = index.CreateVectorExtractor();

            var vect = ve.ExtractColumnVector(index.Tokeniser.Tokenise("love time fortune"));

            Console.WriteLine(vect);
        }
        public void CreateVectorExtractor_LargeCorpus()
        {
            var index = new DocumentIndex();

            using (var corpusStream = GetResource("shakespeare.txt"))
            {
                var corpus = new Corpus(corpusStream.Tokenise());

                int id = 0;

                index.IndexDocuments(corpus.Blocks.Select(b => new TokenisedTextDocument((id++).ToString(), b)));
            }

            var ve = index.CreateVectorExtractor(1024);

            var vect = ve.ExtractColumnVector(index.Tokeniser.Tokenise("love time fortune"));

            Console.WriteLine(vect);
        }