[rdf/query_creator.py] Use odML Uri from Format

Author: fschrader1992

odml/rdf/query_creator.py

@@ -284,7 +284,7 @@ def _prepare_query(self):
         :return: string representing rdflib query.
         """
 
-        odml_uri = "https://g-node.org/odml-rdf#"
+        odml_uri = str(odmlns)
         self.query = "SELECT * WHERE {\n"
 
         if "Doc" in self.q_dict.keys():