correct sorting when a person has a last name that begins with a lower case letter

productMods/config/listViewConfig-researchAreaOf.xml

@@ -14,7 +14,8 @@
         PREFIX foaf: <http://xmlns.com/foaf/0.1/>
         PREFIX obo: <http://purl.obolibrary.org/obo/>
         PREFIX vcard: <http://www.w3.org/2006/vcard/ns#>
-          
+        PREFIX fn:   <http://www.w3.org/2005/xpath-functions#>  
+
         SELECT DISTINCT
                        ?person 
                        ?personName
@@ -43,7 +44,7 @@
                             ?org rdfs:label ?orgLabel 
                  }
         } 
-        ORDER BY ?personName
+        ORDER BY (fn:lower-case(?personName))
     </query-select>
 
     <query-construct>