diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/api/request/BaseRequestInfo.java b/src/main/java/org/gcube/informationsystem/resourceregistry/api/request/BaseRequestInfo.java
index 987c0de..5820de7 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/api/request/BaseRequestInfo.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/api/request/BaseRequestInfo.java
@@ -8,6 +8,10 @@ import org.gcube.informationsystem.model.reference.properties.Metadata;
  */
 public class BaseRequestInfo implements RequestInfo {
 	
+	public static final Integer DEFAULT_LIMIT = 10;
+	public static final Integer UNBOUNDED_LIMIT = -1;
+	public static final Integer DEFAULT_OFFSET = 0;
+	
 	/**
 	 *  To get unlimited results the limit query parameters must be set to -1. 
 	 * 	If the results are too much the operation could have a timeout. 
@@ -43,8 +47,8 @@ public class BaseRequestInfo implements RequestInfo {
 	protected boolean includeContexts;
 	
 	public BaseRequestInfo() {
-		this.limit = 10;
-		this.offset = 0;
+		this.limit = BaseRequestInfo.DEFAULT_LIMIT;
+		this.offset = BaseRequestInfo.DEFAULT_OFFSET;
 		this.includeMeta = false;
 		this.allMeta = false;
 		this.hierarchicalMode = false;