public TermDocumentMatrixImporter(ComponentLogger log)
     : base(log)
 {
     _config       = new TermDocumentMatrixConfig();
     Configuration = _config;
 }
 public TermDocumentMatrixImporter(ComponentLogger log)
     : base(log)
 {
     _config = new TermDocumentMatrixConfig();
     Configuration = _config;
 }