Add EasyRDF call to set lm as prefix for 'https://purl.org/pdsinterop/link-metadata#'.

Author: Potherca

web/index.php

@@ -64,6 +64,8 @@
 
     $graph = new \EasyRdf_Graph();
 
+    \EasyRdf_Namespace::set('lm', 'https://purl.org/pdsinterop/link-metadata#');
+
 	// Create Formats objects
 	$formats = new \Pdsinterop\Rdf\Formats();