digraph Migrering {
  rankdir = TB;
  graph [labeljust="l"];
  fontsize=16;
  node[fontsize=12];
  edge[fontsize=11];

  subgraph cluster_0 {
    label="Grunnlagsdata fra Bibliofil";
    style=filled;
    color=lightgrey;
    node[shape=record, style=filled];

    vmarc[label="{<f0>vmarc|<f1>~1,8 mill. poster}"];
    exemp[label="{<f0>exemp|<f1>~1,3 mill. eks.}"];

  }


  subgraph cluster_2 {
    label="Bearbeiding, filtrering og sammenslåing av data";
    color=white;

    "catalogue.mrc"[label="{<f0>catalogue.mrc|<f1>~400,000 poster, ~1,3 mill eks.}", shape=record];
    "catalogue.marcxml"[label="{<f0>catalogue.marcxml|<f1>~400,000 poster, uten eks.}", shape=record];
    "branches.sql"[label="branches", shape=record];
    "itypes.sql"[label="item types", shape=record];
    "avalues.sql"[label="authorized values (item statuses)", shape=record];
    virtuoso[label="virtuoso triplestore", shape=box3d];
    migmarc2rdf;
    SPARQL[label="SPARQL rules (gen. works etc)"];
    SQL[label="SQL inserts"];
   catmassage -> {"catalogue.mrc", "catalogue.marcxml", "branches.sql", "itypes.sql", "avalues.sql"};
   {"branches.sql", "itypes.sql", "avalues.sql"} -> SQL;
   "catalogue.marcxml" -> migmarc2rdf -> virtuoso -> construct;
   virtuoso -> SPARQL -> virtuoso;
  }

  subgraph cluster_3 {
    label="LS.EXT";
    style=filled;
    color=lightgreen;
    Services;
    Koha;
    Fuseki[shape=box3d];
    MySQL[shape=box3d];
    Elasticsearch[shape=box3d];

    "catalogue.mrc" -> bulkmarcimport -> Koha;
    Koha -> MySQL;
    Services -> {Koha, Fuseki, Elasticsearch};

  }

   {vmarc, exemp} -> catmassage;
   SQL -> MySQL;
   construct -> Fuseki;
   Koha -> sync -> Fuseki;
   indexing -> Services;

}