Update demo.md

Author: Aklakan

docs/graphql/demo.md

@@ -8,11 +8,11 @@ layout: default
 The following demonstrators showcase the use of GraphQL to query and present data from a SPARQL enpdoint.
 Inspect the source code to see the underlying queries.
 
-* A simple [WikiData Movies Browser.](https://smartdataanalytics.github.io/RdfProcessingToolkit/demos/movies/). This is a HTML one-pager that queries the GraphQL endpoint of a demo RPT instance loaded with movies from Wikidata.
+* A simple [WikiData Movies Browser.](https://scaseco.github.io/RdfProcessingToolkit/demos/movies/). This is a HTML one-pager that queries the GraphQL endpoint of a demo RPT instance loaded with movies from Wikidata.
 
 ![Screenshot](../images/2024-09-27-demo-wikidata-movie-browser-screenshot.png)
 
-* A simple [GraphQL-to-GeoJSON Demo.](https://smartdataanalytics.github.io/RdfProcessingToolkit/demos/leaflet-graphql/). This is a HTML one-pager that uses GraphQL to transform GeoSPARQL data to a customizable GeoJSON structure. It also demonstrates:
+* A simple [GraphQL-to-GeoJSON Demo.](https://scaseco.github.io/RdfProcessingToolkit/demos/leaflet-graphql/). This is a HTML one-pager that uses GraphQL to transform GeoSPARQL data to a customizable GeoJSON structure. It also demonstrates:
     * Ad-hoc simplification of GeoSPARQL polygons using our `geof:simplifyDp` extension function.
     * Use of caching cardinalities of properties across a dataset using `SERVICE <cache:>`, which is part of Apache Jena's [Service Enhancer extension](https://jena.apache.org/documentation/query/service_enhancer.html).