digraph structure_Ishtar {

    node [shape=box; style=filled];
    AO [label="Opération archéologique"];
    Parcel [label="Parcelle cadastrale"];
    AS [label="Site/Entité archéologique"];
    CR [label="Unité d'enregistrement"];
    BaseFind [label="Mobilier d'origine"];
    Find [label="Mobilier"];
    Container [label="Contenant"];
    Warehouse [label="Dépôt"];
    Treatment [label="Traitement"];
    TreatmentFile [label="Demande de traitement"];
    Document [label="Document"];

    {rank = same; Parcel; AS} /* alignement parcelle - AS */

    root=AO;

    /* liaisons vers doc */
    AO -> Document;
    AS -> Document;
    CR -> Document;
    Container -> Document;
    Find -> Document;
    Warehouse -> Document;
    Treatment -> Document;
    TreatmentFile -> Document;

    /* liaisons entre concepts */
    AO -> AO;
    AO -> Parcel [arrowhead=none];
    Parcel -> CR -> BaseFind -> Find -> Container -> Warehouse;
    AO -> CR;
    AO -> AS [dir=both];
    CR -> AS;
    CR -> CR;
    Find -> Treatment;
    TreatmentFile -> Treatment;
    Treatment -> Find;
    Document -> Container;
    Container -> Container;


    /* liaison entre modules */
    node [shape=ellipse; style=filled; dir=none];
    module_AO [label="Module Opération"];
    module_AS [label="Module Site"];
    module_CR [label="Module Unité d'enregistrement"];
    module_find [label="Module Mobilier"];
    module_treatment [label="Module Traitement"];
    module_warehouse [label="Module Dépôt"];
    module_AO -> module_AS -> module_CR -> module_find -> module_treatment -> module_warehouse [dir=none; style=invis] ;

    /* alignement concepts <-> modules */
    {rank = same; Warehouse; module_warehouse};
    {rank = same; AO; module_AO};
    {rank = same; CR; module_CR};
    {rank = same; BaseFind; module_find};
    {rank = same; Treatment; TreatmentFile; module_treatment};
    {rank = same; Container; Warehouse; module_warehouse};

    module_AO, AO, Parcel [color=red2];
    Document [color=white];
    module_CR, CR [color=orange1];
    module_find, BaseFind, Find [color=mediumvioletred];
    module_warehouse, Container, Warehouse [color=yellowgreen];
    module_treatment, Treatment, TreatmentFile [color=yellow];
    module_AS, AS [color=slateblue2];
}