diff --git a/wise-webapp/src/main/resources/com/wisemapping/model/Mindmap.hbm.xml b/wise-webapp/src/main/resources/com/wisemapping/model/Mindmap.hbm.xml
new file mode 100644
index 00000000..84a14e18
--- /dev/null
+++ b/wise-webapp/src/main/resources/com/wisemapping/model/Mindmap.hbm.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0"?>
+<!DOCTYPE hibernate-mapping PUBLIC
+        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
+        "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
+
+<hibernate-mapping>
+
+    <class name="com.wisemapping.model.Mindmap" table="MINDMAP">
+        <id name="id">
+            <generator class="increment"/>
+        </id>
+        <property name="title"/>
+        <property name="public"/>
+        <property name="description"/>
+        <property name="zippedXml" column="XML"/>
+        <property name="lastModificationTime" column="edition_date"/>
+        <property name="creationTime" column="creation_date"/>
+        <property name="tags" column="tags"/>
+        <many-to-one name="creator" column="creator_id" unique="true" not-null="false" lazy="proxy"/>
+        <many-to-one name="lastEditor" column="last_editor_id" unique="false" not-null="true" lazy="proxy"/>
+
+        <set name="collaborations"
+             cascade="all,delete-orphan"
+             inverse="true">
+            <key column="MINDMAP_ID" not-null="true"/>
+            <one-to-many class="com.wisemapping.model.Collaboration"/>
+        </set>
+    </class>
+
+</hibernate-mapping>
\ No newline at end of file