diff -r 17f10b56c079 -r 8fddc113095e server/src/app/Models/GeoResource.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/src/app/Models/GeoResource.php	Sun Jun 05 00:28:45 2016 +0200
@@ -0,0 +1,51 @@
+<?php
+namespace CorpusParole\Models;
+
+use CorpusParole\Libraries\RdfModel\RdfModelResource;
+use CorpusParole\Libraries\Utils;
+use JsonSerializable;
+use Log;
+
+/**
+ */
+class GeoResource extends RdfModelResource implements JsonSerializable {
+
+    public function __construct($uri, $graph) {
+        parent::__construct($uri, $graph);
+    }
+
+    private $refLoc = false;
+    private $notes = null;
+
+    public function clearMemoizationCache() {
+        $this->refLoc = false;
+        $this->notes = null;
+    }
+
+    public function getRefLoc() {
+        if($this->refLoc === false) {
+            $refLoc = $this->getResource("<http://www.w3.org/2002/07/owl#sameAs>");
+            $this->refLoc = is_null($refLoc)?null:$refLoc->getUri();
+        }
+        return $this->refLoc;
+    }
+
+    public function getNotes() {
+        if(is_null($this->notes)) {
+            $this->notes = $this->all('<http://www.w3.org/2004/02/skos/core#note>');
+        }
+        return $this->notes;
+    }
+
+    public function jsonSerialize() {
+        $notes = array_map(
+            function($note) { return Utils::processLiteralResourceOrString($note); },
+            $this->getNotes()
+        );
+        return [
+            'ref-loc' => $this->getRefLoc(),
+            'notes' => $notes
+        ];
+    }
+
+}
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