diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..89f2b4c7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+# Created by .ignore support plugin (hsz.mobi)
+param.yml
+.idea
+.idea/vcs.xml
+__pycache__/
diff --git a/docs/dbm/mpwo.graphml b/docs/dbm/mpwo.graphml
index 6c569eb7..6be8a157 100644
--- a/docs/dbm/mpwo.graphml
+++ b/docs/dbm/mpwo.graphml
@@ -139,7 +139,7 @@ value<y:LabelModel>
         </y:GenericNode>
       </data>
     </node>
-    <edge id="e0" source="n4" target="n1">
+    <edge id="e0" source="n1" target="n3">
       <data key="d9"/>
       <data key="d10">
         <y:PolyLineEdge>
@@ -150,29 +150,7 @@ value<y:LabelModel>
         </y:PolyLineEdge>
       </data>
     </edge>
-    <edge id="e1" source="n1" target="n2">
-      <data key="d9"/>
-      <data key="d10">
-        <y:PolyLineEdge>
-          <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
-          <y:LineStyle color="#000000" type="line" width="1.0"/>
-          <y:Arrows source="none" target="none"/>
-          <y:BendStyle smoothed="false"/>
-        </y:PolyLineEdge>
-      </data>
-    </edge>
-    <edge id="e2" source="n1" target="n3">
-      <data key="d9"/>
-      <data key="d10">
-        <y:PolyLineEdge>
-          <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
-          <y:LineStyle color="#000000" type="line" width="1.0"/>
-          <y:Arrows source="none" target="none"/>
-          <y:BendStyle smoothed="false"/>
-        </y:PolyLineEdge>
-      </data>
-    </edge>
-    <edge id="e3" source="n1" target="n0">
+    <edge id="e1" source="n1" target="n0">
       <data key="d9"/>
       <data key="d10">
         <y:PolyLineEdge>
@@ -183,7 +161,7 @@ value<y:LabelModel>
         </y:PolyLineEdge>
       </data>
     </edge>
-    <edge id="e4" source="n4" target="n0">
+    <edge id="e2" source="n4" target="n0">
       <data key="d9"/>
       <data key="d10">
         <y:PolyLineEdge>
@@ -194,6 +172,32 @@ value<y:LabelModel>
         </y:PolyLineEdge>
       </data>
     </edge>
+    <edge id="e3" source="n2" target="n1">
+      <data key="d9"/>
+      <data key="d10">
+        <y:GenericEdge configuration="com.yworks.bpmn.Connection">
+          <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
+          <y:LineStyle color="#000000" type="line" width="1.0"/>
+          <y:Arrows source="none" target="crows_foot_many"/>
+          <y:StyleProperties>
+            <y:Property class="com.yworks.yfiles.bpmn.view.BPMNTypeEnum" name="com.yworks.bpmn.type" value="CONNECTION_TYPE_FORKED_CONVERSATION_LINK"/>
+          </y:StyleProperties>
+        </y:GenericEdge>
+      </data>
+    </edge>
+    <edge id="e4" source="n1" target="n4">
+      <data key="d9"/>
+      <data key="d10">
+        <y:GenericEdge configuration="com.yworks.bpmn.Connection">
+          <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
+          <y:LineStyle color="#000000" type="line" width="1.0"/>
+          <y:Arrows source="none" target="crows_foot_many"/>
+          <y:StyleProperties>
+            <y:Property class="com.yworks.yfiles.bpmn.view.BPMNTypeEnum" name="com.yworks.bpmn.type" value="CONNECTION_TYPE_FORKED_CONVERSATION_LINK"/>
+          </y:StyleProperties>
+        </y:GenericEdge>
+      </data>
+    </edge>
   </graph>
   <data key="d7">
     <y:Resources/>