public ORASSNode(String n, String originalTName){
		children = new ArrayList<ORASSNode>();
		name = n;
		attributes = new ArrayList<ColumnDetail>();
		originalName = originalTName;
		relations = new HashMap<ORASSNode, String>();
		relAttributes = new ArrayList<ColumnDetail>();
		subtypeNodes = new ArrayList<ORASSNode>();
		supertypeNodes = new ArrayList<ORASSNode>();
		weakEntityNodes = new ArrayList<ORASSNode>();
	}