digraph {

    { rank = same; data_shape; op_shape; }
    { rank = same; data_types; data_samples; }
    system -> op_log;
    op_log -> op_syntax_samples;
    { rank = same; op_syntax_samples; op_field_samples; }
    op_syntax_samples -> op_shape;
    op_log -> op_field_samples;
    op_field_samples -> data_samples;
    schema -> data_types;
    schema -> op_shape;
    data_shape -> workload;
    op_shape -> workload;
    exported_data -> data_samples;
    interactive_sampling -> data_samples;
    interactive_sampling -> schema;
    dataset -> exported_data;
    dataset -> interactive_sampling;

    data_types -> data_shape;
    data_samples -> data_shape;

    workload [label = "synthesized\nworkload"]
}