fix nsdb geof

src/server/sparql/sampo/sparql_queries/SparqlQueriesPerspective4.js

@@ -45,7 +45,8 @@ export const federatedSearchSparqlQueries = {
     `
   },
   nsdb: {
-    geoQuery: `{ ?coordinates geof:within ( <LATMIN> <LONGMIN> <LATMAX> <LONGMAX>) }`,
+    geoQuery: `{ ?coordinates geof:within ( <LATMIN> <LONGMIN> <LATMAX> <LONGMAX>) .
+                 ?place crm:P189i_is_approximated_by ?coordinates .}`,
     resultQuery: `
     PREFIX crm: <http://www.cidoc-crm.org/cidoc-crm/>
     PREFIX skos: <http://www.w3.org/2004/02/skos/core#>