commons/rmf/bean/src/main/java/org/ldp4j/rdf/bean/impl/model/ModelUtils.java
private static boolean isCorrectHashNamespaceURISplit(String namespace, int nsLength, char lastNsChar) {
		return
			lastNsChar == HASH &&
			namespace.lastIndexOf(HASH, nsLength - 2) == -1;
	}
private static boolean isCorrectHashNamespaceURISplit(String namespace, int nsLength, char lastNsChar) {
		return
			lastNsChar == HASH &&
			namespace.lastIndexOf(HASH, nsLength - 2) == -1;
	}
correct split if namespace has no other '#'