diff --git a/CHANGELOG.md b/CHANGELOG.md
index b428509..6735224 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,4 +7,6 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [v1.0.0-SNAPSHOT] - 2021-02-17
 
+[#20828] Revisited title size and format
 [#19378] First Release
+
diff --git a/src/main/java/org/gcube/datacatalogue/utillibrary/server/utils/CatalogueUtilMethods.java b/src/main/java/org/gcube/datacatalogue/utillibrary/server/utils/CatalogueUtilMethods.java
index 716dcea..b75d934 100644
--- a/src/main/java/org/gcube/datacatalogue/utillibrary/server/utils/CatalogueUtilMethods.java
+++ b/src/main/java/org/gcube/datacatalogue/utillibrary/server/utils/CatalogueUtilMethods.java
@@ -11,12 +11,13 @@ import org.slf4j.LoggerFactory;
 /**
  * Some utility methods used within the library.
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
+ * 
+ * @author updated by Francesco Mangiacrapa at ISTI-CNR
  */
 public class CatalogueUtilMethods {
 
+	public static final int MAX_SIZE_OF_CKAN_DATASET_NAME = 100;
 	private static final Logger logger = LoggerFactory.getLogger(CatalogueUtilMethods.class);
-	private final static String HTTPS = "https";
-	private final static String HTTP = "http";
 
 	/**
 	 * Maps the scope name to the ckan organization name
@@ -75,7 +76,12 @@ public class CatalogueUtilMethods {
 			return null;
 
 		String regexTitleNameTransform = "[^A-Za-z0-9_-]";
-		return title.trim().replaceAll(regexTitleNameTransform, "_").replaceAll("_+", "_").toLowerCase();
+		title = title.trim().replaceAll(regexTitleNameTransform, "_").replaceAll("_+", "_").toLowerCase();
+		if(title.length()>MAX_SIZE_OF_CKAN_DATASET_NAME) {
+			return title.substring(0,MAX_SIZE_OF_CKAN_DATASET_NAME-1);
+		}
+		return title;
+			
 	}
 
 	/**