attrMap = new Properties();
attrMap.setProperty(TITLE_NUM, TITLE_NAME);
attrMap.setProperty(ORIGIN_NUM, ORIGIN_NAME);
converter = new RPNConverter(attrMap);
root1 = new RootNode();
root2 = new RootNode();
rpn1 = new AttrPlusTermNode(root1);
rpn1.setAttr(null, new Integer(GeoProfile.USE), new Integer(TITLE_NUM));
rpn2 = new AttrPlusTermNode(root2);
rpn2.setAttr(null, new Integer(GeoProfile.USE), new Integer(ORIGIN_NUM));