Fix issue with duplicate level entries (see #20)

UNECE · Sep 9, 2016 · c82a726 · c82a726
1 parent f5a67f8
commit c82a726
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/js/sparql/queries.js b/src/js/sparql/queries.js
@@ -29,7 +29,7 @@ const classificationLevels = uri => `
   PREFIX rdf:<http://www.w3.org/1999/02/22-rdf-syntax-ns#>
   PREFIX skos:<http://www.w3.org/2004/02/skos/core#>
   PREFIX xkos:<http://rdf-vocabulary.ddialliance.org/xkos#>
-  SELECT ?level ?depth ?label
+  SELECT DISTINCT ?level ?depth ?label
   WHERE {
     <${uri}> xkos:hasLevels/rdf:rest*/rdf:first ?level .
     ?level xkos:depth ?depth ; skos:prefLabel ?label .