diff --git a/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/shared/tr/column/DimensionReferenceData.java b/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/shared/tr/column/DimensionReferenceData.java
new file mode 100644
index 0000000..9fc1ba7
--- /dev/null
+++ b/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/shared/tr/column/DimensionReferenceData.java
@@ -0,0 +1,60 @@
+package org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column;
+
+import java.io.Serializable;
+
+/**
+ * Implements the realtionship for Dimension and TimeDimension columns
+ * 
+ * @author "Giancarlo Panichi"
+ * 
+ */
+public class DimensionReferenceData implements Serializable {
+	
+	private static final long serialVersionUID = -8206716034713577874L;
+
+	private String tableId;
+	private String columnId;
+	
+	
+	public DimensionReferenceData(){
+		super();
+	}
+
+
+	public DimensionReferenceData(String tableId, String columnId) {
+		super();
+		this.tableId = tableId;
+		this.columnId = columnId;
+	}
+
+
+	public String getTableId() {
+		return tableId;
+	}
+
+
+	public void setTableId(String tableId) {
+		this.tableId = tableId;
+	}
+
+
+	public String getColumnId() {
+		return columnId;
+	}
+
+
+	public void setColumnId(String columnId) {
+		this.columnId = columnId;
+	}
+
+
+	@Override
+	public String toString() {
+		return "DimensionReferenceData [tableId=" + tableId + ", columnId="
+				+ columnId + "]";
+	}
+	
+	
+	
+
+}