diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/client/ResourceRegistryClientFactory.java b/src/main/java/org/gcube/informationsystem/resourceregistry/client/ResourceRegistryClientFactory.java
index a7e64ce..70eccbb 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/client/ResourceRegistryClientFactory.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/client/ResourceRegistryClientFactory.java
@@ -25,6 +25,16 @@ public class ResourceRegistryClientFactory {
 	
 	protected static Map<String, ResourceRegistryClient> clients;
 
+	protected static boolean hierarchicalMode;
+	
+	public static boolean isHierarchicalMode() {
+		return ResourceRegistryClientFactory.hierarchicalMode;
+	}
+
+	public static void setHierarchicalMode(boolean hierarchicalMode) {
+		ResourceRegistryClientFactory.hierarchicalMode = hierarchicalMode;
+	}
+
 	static {
 		clients = new HashMap<>();
 	}
@@ -33,8 +43,11 @@ public class ResourceRegistryClientFactory {
 	
 	protected static void forceToURL(String url){
 		FORCED_URL = url;
+		hierarchicalMode = false;
 	}
 	
+	
+	
 	private static String classFormat = "$resource/Profile/ServiceClass/text() eq '%1s'";
 	private static String nameFormat = "$resource/Profile/ServiceName/text() eq '%1s'";
 	private static String statusFormat = "$resource/Profile/DeploymentData/Status/text() eq 'ready'";
diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/client/ResourceRegistryClientImpl.java b/src/main/java/org/gcube/informationsystem/resourceregistry/client/ResourceRegistryClientImpl.java
index 01796c6..b8c8f14 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/client/ResourceRegistryClientImpl.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/client/ResourceRegistryClientImpl.java
@@ -1,5 +1,6 @@
 package org.gcube.informationsystem.resourceregistry.client;
 
+import java.io.UnsupportedEncodingException;
 import java.net.HttpURLConnection;
 import java.util.HashMap;
 import java.util.List;
@@ -45,6 +46,20 @@ public class ResourceRegistryClientImpl implements ResourceRegistryClient {
 		this.address = address;
 	}
 	
+	private void checkHierarchicalMode(GXHTTPStringRequest gxHTTPStringRequest) throws UnsupportedEncodingException{
+		checkHierarchicalMode(gxHTTPStringRequest, null);
+	}
+	
+	private void checkHierarchicalMode(GXHTTPStringRequest gxHTTPStringRequest, Map<String,String> queryParams) throws UnsupportedEncodingException{
+		if(ResourceRegistryClientFactory.isHierarchicalMode()) {
+			if(queryParams==null) {
+				queryParams = new HashMap<>();
+			}
+			queryParams.put(AccessPath.HIERARCHICAL_MODE_PARAM, Boolean.toString(true));
+		}
+		gxHTTPStringRequest.queryParams(queryParams);
+	}
+	
 	@Override
 	public Context getCurrentContext() throws ContextNotFoundException, ResourceRegistryException {
 		try {
@@ -187,6 +202,8 @@ public class ResourceRegistryClientImpl implements ResourceRegistryClient {
 			gxHTTPStringRequest.path(type);
 			gxHTTPStringRequest.path(uuid.toString());
 			
+			checkHierarchicalMode(gxHTTPStringRequest);
+			
 			HttpURLConnection httpURLConnection = gxHTTPStringRequest.head();
 			HTTPUtility.getResponse(String.class, httpURLConnection);
 			
@@ -227,6 +244,8 @@ public class ResourceRegistryClientImpl implements ResourceRegistryClient {
 			gxHTTPStringRequest.path(type);
 			gxHTTPStringRequest.path(uuid.toString());
 			
+			checkHierarchicalMode(gxHTTPStringRequest);
+			
 			HttpURLConnection httpURLConnection = gxHTTPStringRequest.get();
 			String ret = HTTPUtility.getResponse(String.class, httpURLConnection);
 			
@@ -267,7 +286,7 @@ public class ResourceRegistryClientImpl implements ResourceRegistryClient {
 			
 			Map<String,String> parameters = new HashMap<>();
 			parameters.put(AccessPath.POLYMORPHIC_PARAM, polymorphic.toString());
-			gxHTTPStringRequest.queryParams(parameters);
+			checkHierarchicalMode(gxHTTPStringRequest, parameters);
 			
 			HttpURLConnection httpURLConnection = gxHTTPStringRequest.get();
 			
@@ -314,7 +333,8 @@ public class ResourceRegistryClientImpl implements ResourceRegistryClient {
 				parameters.put(AccessPath.FETCH_PLAN_PARAM, fetchPlan);
 			}
 			
-			gxHTTPStringRequest.queryParams(parameters);
+			checkHierarchicalMode(gxHTTPStringRequest, parameters);
+			
 			HttpURLConnection httpURLConnection = gxHTTPStringRequest.get();
 
 			String ret = HTTPUtility.getResponse(String.class, httpURLConnection);
@@ -363,7 +383,8 @@ public class ResourceRegistryClientImpl implements ResourceRegistryClient {
 				parameters.put(AccessPath.REFERENCE_PARAM, referenceEntity.toString());
 			}
 			
-			gxHTTPStringRequest.queryParams(parameters);
+			checkHierarchicalMode(gxHTTPStringRequest, parameters);
+			
 			HttpURLConnection httpURLConnection = gxHTTPStringRequest.get();
 
 			String json = HTTPUtility.getResponse(String.class, httpURLConnection);