Update mapping_pilot7_service1_ef_input_json.ttl

mappings/Pilot7/mapping_pilot7_service1_ef_input_json.ttl

@@ -54,14 +54,16 @@
     rr:predicateObjectMap [
         rr:predicate ener-bldg:hasNumberOfFloors  ;
         rr:objectMap [
-            rml:reference "above_ground_floors"
+            rml:reference "above_ground_floors";
+            rr:datatype  xsd:int
         ]
     ];
 
     rr:predicateObjectMap [
         rr:predicate ener-bldg:hasNumberOfUndergroundFloors  ;
         rr:objectMap [
-            rml:reference "underground_floor"
+            rml:reference "underground_floor";
+            rr:datatype  xsd:int
         ]
     ];