--- /dev/null
+digraph {
+ rankdir=LR;
+ node [shape="rectangle"];
+ source [label="Source"];
+ crawler [label="Crawler"];
+ temporum [label="Temporum"];
+ employee [label="User"];
+ programmer [label="Programmer"];
+ database [label="Database"];
+ source -> crawler;
+ crawler -> temporum;
+ temporum -> employee;
+ employee -> database;
+ employee -> programmer [constraint=false,style="dotted"];
+ employee -> crawler [constraint=false,style="dashed"];
+ programmer -> crawler [constraint=false,style="dotted"];
+}