introduction-fig3.dot

digraph {
   {
       node [color = navy, fillcolor = slateblue4, style = filled, fontcolor = white]

       book [label = "ex:book1"]
       page [label = "ex:page1"]
   }

   {
       node [shape = box, color = firebrick]

       title [label = "‘Das Narrenschiff’"]
       author [label = "‘Sebastian Brant’"]
       pagename [label = "‘a4r’"]
   }

   edge [fontsize = 11, color = cyan4]

   book -> title [label = "ex:title"]
   book -> author [label = "ex:author"]
   page -> book [label = "ex:pageOf"]
   page -> pagename [label = "ex:pagename"]
}