public static DataSource defineDcSource(HashMap<String,List<String>> pDictionary) {
		
		// Data source
		String namespace = "http://purl.org/dc/elements/1.1/source";
		String dcSourceString = pDictionary.get(namespace).get(0);
		
		if (pDictionary.containsKey(namespace)) {
			if (dcSourceString.equals("Entrez Gene")) {allVars.put("dcSource", BioDataSource.ENTREZ_GENE);}
			else if (dcSourceString.equals("HMDB")) {allVars.put("dcSource", BioDataSource.HMDB);} 
			else if (dcSourceString.equals("Ensembl")) {allVars.put("dcSource", BioDataSource.ENSEMBL);}
			else if (dcSourceString.equals("CAS")) {allVars.put("dcSource", BioDataSource.CAS);}
			else {allVars.put("dcSource", null);}
		}
		return null;
	}