uniprotDataSet = createItem("DataSet");
uniprotDataSet = createItem(tgtNs + "DataSet");
    public UniprotDataTranslator(ItemReader srcItemReader, Properties mapping,                                 Model srcModel, Model tgtModel) {        super(srcItemReader, mapping, srcModel, tgtModel);        this.srcItemReader = srcItemReader;        uniprotDataSet = createItem("DataSet");        // TODO: the dataset name shouldn't be hard coded:        uniprotDataSet.addAttribute(new Attribute("title", "UniProt data set"));        uniprotDataSetRef = new Reference("source", uniprotDataSet.getIdentifier());    }