in src/main/java/software/amazon/neptune/csv2rdf/UriPostTransformation.java [193:203]
public void registerReplacementValue(String subject, String predicate, String object) {
if (propertyUri.equals(predicate)) {
if (resource2Value.containsKey(subject) && !resource2Value.get(subject).equals(object)) {
throw new Csv2RdfException("Found duplicate, inconsistent value for <" + subject + ">: " + object
+ " vs. " + resource2Value.get(subject));
}
resource2Value.put(subject, object);
}
}