if(v instanceof KiWiNode && ((KiWiNode) v).getId() != null) {
KiWiNode n = (KiWiNode) v;
j_triple.addCondition(triple.CONTEXT_ID.equal((Field) create.val(n.getId())));
} else if(v instanceof URI) {
if(configurationService.getBooleanConfiguration("sparql.native.preload_constants",true)) {
KiWiUriResource r_context = resourceService.getUriResource(v.stringValue());
if(r_context != null) {
j_triple.addCondition(triple.CONTEXT_ID.equal((Field) create.val(r_context.getId())));
} else {
j_triple.addCondition(create.falseCondition());
}