Binding nextBinding = nextRow.getBinding(nextBindingName);
//Map<String,String> nodeDef = (Map<String,String>) entry.getValue();
Value nodeDef = nextBinding.getValue();
RDFNode node = null;
if(nodeDef instanceof org.openrdf.model.URI) {
node = new URI(nodeDef.stringValue());
} else if(nodeDef instanceof org.openrdf.model.BNode) {
node = new BNode(((org.openrdf.model.BNode)nodeDef).getID());
} else if(nodeDef instanceof org.openrdf.model.Literal) {
org.openrdf.model.Literal nodeLiteral = (org.openrdf.model.Literal)nodeDef;
if(nodeLiteral.getLanguage() != null) {