--- /dev/null
+digraph{
+ //rankdir=TB;
+ rankdir=LR;
+ graph [compound=true];
+ node [shape="rectangle",fontsize=10,nodesep=0.7,ranksep=0.75,width=1];
+ edge [weight=10];
+
+ subgraph cluster_0 {
+ node [shape="rectangle",fontsize=10,nodesep=0.7,ranksep=0.75,width=1];
+ edge [weight=5.];
+ i0 [label="Website"];
+ i1 [label="Email"];
+ i2 [label="RSS/Atom"];
+ i4 [label="..."];
+ label="Sources";
+ }
+
+ c1 [label="Crawling"];
+ t2 [label="Temporum"];
+ d1 [label="Database"];
+
+ subgraph cluster_1 {
+ node [shape="rectangle",fontsize=10,nodesep=0.7,ranksep=0.75,width=1];
+ edge [weight=5.];
+ o1 [label="..."];
+ o2 [label="BiosAgenda"];
+ o3 [label="TheAgenda"];
+ label="Publication";
+ }
+ i2 -> c1 [ltail=cluster_0];
+ i0 -> d1 [ltail=cluster_0];
+ c1 -> t2;
+ t2 -> d1;
+ d1 -> o2 [lhead=cluster_1];
+}