Dataset {
    Float32 occurence_id[occurence_id = 42067];
    Grid {
     ARRAY:
        Float64 int_doccurence_id[occurence_id = 42067];
     MAPS:
        Float32 occurence_id[occurence_id = 42067];
    } int_doccurence_id;
} int_doccurence_id;