NodeList fieldNodes = (NodeList) fieldsXPath.evaluate(countryNode, XPathConstants.NODESET);
for (int i = 0; i < fieldNodes.getLength(); i++) {
Node fieldNode = fieldNodes.item(i);
String ref = getAttributeValue(fieldNode, "ref");
String value = fieldNode.getTextContent();
vertex.addPropertyValue(MULTI_VALUE_KEY, "http://lumify.io/worldfactbook#" + ref, value, visibility);
}
return vertex.save(getAuthorizations());
}