uloapi: use full ULO.java

This will be very useful for further integration w/ JVM tech.

experimental/uloapi/src/main/java/info/mathhub/uloapi/query/Query.java

@@ -67,14 +67,14 @@ public class Query {
     }
 
     /**
-     * Return a list of triplets that define some kind of {@link ULO#INDUCTIVE_ON} relationship.
+     * Return a list of triplets that define some kind of {@link ULO#inductive_on} relationship.
      *
      * @return The triplets. Limited to a small number, the actual number of matching triplets in the
      *         underlying RDF4j repository might be way bigger.
      */
     public List<Statement> getInductiveStatements() {
         final GraphDB.Operation<List<Statement>> operation = (manager, repository, connection) -> {
-            final RepositoryResult<Statement> result = connection.getStatements(null, ULO.INDUCTIVE_ON, null);
+            final RepositoryResult<Statement> result = connection.getStatements(null, ULO.inductive_on, null);
             final Iterator<Statement> iterator = result.iterator();
 
             final List<Statement> statements = new ArrayList<>();