diff --git a/app/Http/Controllers/ResourceController.php b/app/Http/Controllers/ResourceController.php
index 92800dd..551e8ad 100644
--- a/app/Http/Controllers/ResourceController.php
+++ b/app/Http/Controllers/ResourceController.php
@@ -29,6 +29,10 @@ class ResourceController extends Controller
      */
     protected function querySparql($request)
     {
+        if (!empty($request->datasetConfig['http'])) {
+            $httpClient = new \EasyRdf\Http\Client(null, $request->datasetConfig['http']);
+            \EasyRdf\Http::setDefaultHttpClient($httpClient);
+        }
         $client = new \EasyRdf\Sparql\Client($request->datasetConfig['endpoint']);
         $query = <<<EOT
     CONSTRUCT {
diff --git a/config/datasets.php.example b/config/datasets.php.example
index 706fb29..0f85ac8 100644
--- a/config/datasets.php.example
+++ b/config/datasets.php.example
@@ -8,6 +8,9 @@ return [
         'html_uri' => 'https://example.com/page/{id}',
         'data_uri' => 'https://example.com/data/{id}',
         'endpoint' => 'https://example.com/query', // SPARQL endpoint URI
+        'http' => [
+            'timeout' => 30,
+        ]
     ],
     */
 ];